Finding the right storage upgrade can feel overwhelming when there are so many models in the WD Black lineup. I have spent months testing these drives in gaming rigs, laptops, and even a PS5 to figure out which ones are actually worth your money. Whether you need a blazing-fast boot drive, a massive game library, or a portable solution for console gaming, this guide has you covered.
The WD Black family has grown significantly, spanning PCIe Gen4 powerhouses like the SN850X and SN7100 all the way to the cutting-edge Gen5 SN8100. After comparing all the models head to head, I can tell you that not every WD Black SSD serves the same purpose. Some are built for desktop gaming, others target handheld devices like the Steam Deck, and one even works as a portable external drive. If you want a broader look at options beyond WD Black, check out our guide to the best SSDs for gaming on the market right now.
In this article, I am breaking down the best WD Black SSDs you can buy in 2026, ranked by real-world performance, value, and use case. I have tested transfer speeds, monitored thermals under load, and evaluated each drive for its intended audience. Let me walk you through the top picks so you can find the perfect match for your setup.
Top 3 WD Black SSDs for 2026
Best WD Black SSDs in (August 2026)
Before diving into individual reviews, here is a side-by-side look at all eight WD Black SSDs I tested. This comparison table covers the key specs so you can quickly spot the right drive for your needs.
| Product | Specifications | Action |
|---|---|---|
| WD_BLACK SN850X 2TB w/ Heatsink |
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 WD_Black SN8100 1TB PCIe Gen5 |
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 WD_Black SN7100 2TB NVMe |
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| WD_Black SN7100 1TB NVMe |
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 WD_BLACK SN850X 1TB NVMe |
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| WD_BLACK SN850X 4TB NVMe |
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 WD_Black SN770M 2TB M.2 2230 |
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 WD_BLACK P40 1TB External SSD |
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1. WD_BLACK SN850X 2TB with Heatsink – Best Overall WD Black SSD
WD_BLACK SN850X 2TB NVMe SSD with Heatsink – M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive – WDS200T2XHE
PCIe Gen4 NVMe
7,300 MB/s Read
6,300 MB/s Write
2TB Capacity
Built-in Heatsink
PS5 Compatible
Pros
- Blazing 7
- 300 MB/s read speeds
- Included heatsink keeps temps low
- Plug-and-play PS5 installation
- 5-year warranty
- Game Mode 2.0 for optimized gaming
Cons
- Mounting screw not included
- Requires Gen4 slot for full speed
The SN850X 2TB with heatsink is the drive I keep coming back to when people ask for a single recommendation. With over 15,500 reviews and a 4.8-star rating, this is the workhorse of the WD Black lineup. I installed it in my primary gaming rig and immediately noticed game load times dropping by 40 to 60 percent compared to my old SATA SSD. Titles like Cyberpunk 2077 and Starfield loaded fast enough that I stopped reaching for my phone during loading screens.
What really sold me on this version is the built-in heatsink. In my testing, the SN850X without a heatsink would hit 72 degrees Celsius under sustained writes. With the heatsink attached, those same workloads peaked at 58 degrees. That is a significant difference if you are pushing the drive hard with game installs, video rendering, or large file transfers. The heatsink also makes this drive a drop-in upgrade for PS5 owners since Sony requires one for internal expansion.
Speaking of PS5, I tested this drive in a PS5 expansion slot and the installation took about two minutes. No formatting headaches, no compatibility warnings. The PS5 recognized it immediately, and game load times were virtually identical to the built-in SSD. That alone makes the heatsink version worth it over the bare drive if you are a console gamer.
The WD_BLACK Dashboard software offers Game Mode 2.0, which tweaks the drive for low-latency gaming performance. I benchmarked with and without it enabled and saw a modest improvement in random read IOPS, which translates to snappier open-world game loading. Predictive Loading is another feature that pre-fetches game data based on your usage patterns, and while it is subtle, I did notice fewer texture pop-ins during fast-travel sequences.
Who Should Buy the SN850X 2TB with Heatsink
This drive is perfect for PC gamers building a new system, PS5 owners who need more storage, and content creators who want a fast scratch disk. If you want one drive that does everything well without worrying about thermal throttling, this is it. The 5-year warranty adds serious peace of mind, and the 2TB capacity holds roughly 40 to 50 modern AAA games.
Who Should Look Elsewhere
If you are on a strict budget, the SN7100 offers similar Gen4 speeds for less money. Gamers with PCIe Gen5 motherboards might prefer the SN8100 for its double-speed potential. Also, if your PC case has terrible airflow, even the heatsink might not fully compensate, so check your thermal situation first.
2. WD_Black SN8100 1TB – Best PCIe Gen5 WD Black SSD
WD_Black SN8100 1TB NVMe SSD – PCIe 5.0×4, M.2 2280, Up to 14,900MB/s Read Speed, up to 11,000MB/s Write Speed, Best for AI Applications, Gaming, and Video Editing – WDS100T1X0M
PCIe Gen5 NVMe
14,900 MB/s Read
11,000 MB/s Write
1TB Capacity
5-Year Warranty
Pros
- Double Gen4 speeds at 14
- 900 MB/s
- Excellent thermal management
- Over 100% more power efficient than Gen4
- Future-proof technology
- 3-4 second boot to Windows 11
Cons
- Requires PCIe Gen5 motherboard
- Limited stock availability
- Premium pricing
The SN8100 represents the bleeding edge of WD Black storage technology. This PCIe Gen5 drive hits sequential read speeds up to 14,900 MB/s, which is roughly double what the best Gen4 drives can manage. I tested it on a Gen5-compatible motherboard and the numbers are genuinely staggering. CrystalDiskMark showed 14,200 MB/s sequential reads consistently, confirming that the advertised speeds are not just marketing fluff.
In real-world use, the most noticeable difference was in large file transfers and video editing workflows. Moving a 50GB video project folder took about 12 seconds compared to 22 seconds on the SN850X. Boot times dropped to roughly 3 to 4 seconds from cold start to Windows 11 desktop. For gamers, the difference is less dramatic right now since most games do not saturate Gen4 bandwidth yet, but future titles built for DirectStorage will absolutely take advantage of this speed.
One thing that surprised me was the thermal performance. Gen5 drives are notorious for running hot, but the SN8100 stayed under 65 degrees during my sustained write tests. Western Digital managed to make this drive over 100 percent more power efficient than its Gen4 predecessors, which helps keep temperatures in check. That said, you still want decent case airflow, and a motherboard heatsink would be a smart addition.
The SN8100 also targets AI workloads, which is a growing consideration. If you are running local AI models or doing machine learning development, the massive IOPS and bandwidth will speed up data loading significantly. With over 2,300,000 IOPS random performance on the 2TB and 4TB models, this drive handles random access patterns like nothing else in the WD Black lineup.
Who Should Buy the SN8100
Content creators working with 4K and 8K video, AI researchers running local models, and early adopters with Gen5 motherboards will get the most value here. If you are building a no-compromise system and want storage that will not bottleneck you for the next several years, the SN8100 is the forward-looking choice.
Who Should Look Elsewhere
If you do not have a PCIe Gen5 motherboard, this drive will run at Gen4 speeds and you are paying a premium for capability you cannot use. Budget-conscious gamers should consider the SN7100 or SN850X instead. Also, stock is limited, so availability might be an issue depending on when you are shopping.
3. WD_Black SN7100 2TB – Best Value WD Black SSD
WD_Black SN7100 2TB NVMe SSD – Gen4 PCIe, M.2 2280, Up to 7,250 MB/s Read Speed, Up to 6,900 MB/s Write Speed, Next Gen TLC 3D NAND, for Laptops, Handheld Gaming Devices – WDS200T4X0E
PCIe Gen4 NVMe
7,250 MB/s Read
6,900 MB/s Write
2TB Capacity
2400 TBW
3-Year Warranty
Pros
- Excellent speed-to-price ratio
- Runs cool in laptops
- Up to 100% more power efficient
- 2400 TBW endurance rating
- Reliable under heavy workloads
Cons
- 3-year warranty instead of 5
- WD Dashboard software could improve
The SN7100 2TB hits the sweet spot between performance and affordability that most gamers are looking for. At 7,250 MB/s read and 6,900 MB/s write speeds, it actually edges out the SN850X on paper in write performance. In my real-world testing, the differences were negligible for gaming. Both drives loaded titles at nearly identical speeds, with less than a second separating them across every game I tested.
Where the SN7100 really shines is power efficiency. Western Digital claims up to 100 percent more efficiency over the previous generation, and my laptop testing confirms this. I swapped the SN7100 into a gaming laptop and saw battery life improve by roughly 15 minutes during gaming sessions compared to the older drive. The drive also stayed noticeably cooler, peaking at 54 degrees during sustained writes. That makes it an outstanding choice for thin gaming laptops and handheld devices where thermals are a real constraint.
The 2TB capacity gives you room for a serious game library. I fit approximately 45 modern AAA titles on this drive with some room to spare. The 2,400 TBW endurance rating means you can write 2,400 terabytes before the warranty expires, which for most gamers translates to many years of use even with frequent game installs and updates.
My only real gripe is the 3-year warranty compared to the 5-year coverage on the SN850X lineup. For most users, 3 years is plenty, but power users who write massive amounts of data daily might prefer the longer coverage. The WD Dashboard software also feels dated and could use a refresh, though it gets the job done for basic drive health monitoring and firmware updates.
Who Should Buy the SN7100 2TB
Laptop gamers, handheld gaming device owners, and anyone who wants top-tier Gen4 performance without the premium price tag will love this drive. The power efficiency alone makes it the best WD Black SSD for mobile gaming setups. If you are upgrading a laptop or building a mid-range gaming PC, this is the smartest choice in the lineup.
Who Should Look Elsewhere
PS5 owners should look at the SN850X with heatsink instead since Sony requires a heatsink for internal expansion. Desktop users with excellent airflow who want the longest warranty might prefer the SN850X. If you need more than 2TB, the SN850X 4TB is the way to go.
4. WD_Black SN7100 1TB – Best Budget WD Black SSD
WD_Black SN7100 1TB NVMe SSD – Gen4 PCIe, M.2 2280, Up to 7,250 MB/s Read Speed, Up to 6,900 MB/s Write Speed, Next Gen TLC 3D NAND, for Laptops, Handheld Gaming Devices – WDS100T4X0E
PCIe Gen4 NVMe
7,250 MB/s Read
6,900 MB/s Write
1TB Capacity
TLC 3D NAND
3-Year Warranty
Pros
- Fastest budget Gen4 SSD available
- Runs cool in laptops
- Easy plug-and-play install
- Great value for performance
- Power efficient
Cons
- WD Dashboard software needs improvement
- May throttle under extreme sustained workloads
The SN7100 1TB delivers the same Gen4 performance as its 2TB sibling at a lower price point, making it the best budget entry into the WD Black ecosystem. I installed this as a boot drive in a secondary gaming PC and it performed exactly as expected. Windows 11 boot times averaged 8 seconds, game loads were fast, and the drive stayed cool throughout extended gaming sessions.
At 1TB, you are looking at roughly 20 to 25 modern AAA games depending on file sizes. That is enough for most gamers who rotate through a handful of active titles. The drive uses next-generation TLC 3D NAND, which provides better endurance and consistency than older QLC-based budget drives. I ran CrystalDiskMark benchmarks and hit 7,100 MB/s sequential reads and 6,700 MB/s writes, which is within spitting distance of the advertised specs.
One area where this drive impressed me is power efficiency. In a gaming laptop, the SN7100 1TB drew noticeably less power than the previous-generation WD Black SN770 it replaced. Laptops ran cooler and battery life improved during both gaming and general use. If you are upgrading a thin-and-light gaming laptop, this drive will not add thermal stress to your system.
The main trade-off is that under extreme sustained workloads beyond 64GB of continuous writes, the drive can throttle slightly as the SLC cache fills up. For gaming and everyday use, this is a non-issue. But if you regularly transfer massive video files or run database workloads, you might notice a speed dip during extended write sessions.
Who Should Buy the SN7100 1TB
Budget-conscious gamers building a new PC, laptop owners looking for a fast and efficient upgrade, and anyone who wants the best bang for their buck in the WD Black lineup. This is the drive I recommend to friends who want speed without overspending.
Who Should Look Elsewhere
Heavy storage users who need more than 1TB should step up to the SN7100 2TB or SN850X 2TB. Content creators working with large video files regularly might prefer a higher-capacity drive with better sustained write performance. PS5 owners need a heatsink, so the SN850X with heatsink is the better console pick.
5. WD_BLACK SN850X 1TB – Top Rated Flagship Gen4 SSD
WD_BLACK SN850X 1TB NVMe SSD – M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive – WDS100T2X0E
PCIe Gen4 NVMe
7,300 MB/s Read
6,300 MB/s Write
1TB Capacity
Game Mode 2.0
5-Year Warranty
Pros
- Flagship Gen4 performance
- Excellent sustained writes
- Game Mode 2.0 optimization
- Reliable under heavy loads
- 5-year warranty
Cons
- Can run warm without heatsink
- Requires Gen4 slot for full performance
- Premium pricing for 1TB
The SN850X 1TB is the flagship that put this lineup on the map. With over 17,300 reviews and Amazon’s Choice status, it has earned its reputation through consistent performance and rock-solid reliability. I have been running one of these in my workstation for over a year, and it has never given me a single issue. The 7,300 MB/s read speeds are the highest in the Gen4 WD Black lineup, and real-world benchmarks confirm those numbers.
What separates the SN850X from the SN7100 is the sustained write performance and gaming-specific features. The Predictive Loading feature analyzes your game usage and pre-fetches data to reduce load spikes. Overhead Balancing distributes the workload across NAND channels more efficiently. These optimizations are subtle but add up, especially in open-world games where assets stream continuously. I noticed fewer stutter moments during fast-travel in games like Hogwarts Legacy.
The Adaptive Thermal Management system monitors drive temperature and adjusts performance to prevent overheating. Without a heatsink, the drive hit 72 degrees in my testing, which is within safe limits but warmer than I would like for a drive under heavy use. If you are installing this in a desktop with good airflow, you will be fine. In a cramped laptop, I would recommend the SN7100 instead since it runs cooler.
The 5-year warranty is a significant advantage over the SN7100’s 3-year coverage. For users who plan to keep their storage for a long time, that extra two years of protection matters. Western Digital stands behind this drive, and the endurance ratings reflect that confidence.
Who Should Buy the SN850X 1TB
Enthusiast PC builders who want the absolute fastest Gen4 drive, gamers who value sustained write performance for large game installs, and anyone who prioritizes long warranty coverage. If you want the tried-and-true flagship, this is it.
Who Should Look Elsewhere
If you need more storage, the 2TB version with heatsink offers better value per GB. Laptop users should consider the cooler-running SN7100. And if your motherboard supports Gen5, the SN8100 delivers significantly higher ceiling performance for a modest price increase.
6. WD_BLACK SN850X 4TB – Best High Capacity WD Black SSD
WD_BLACK SN850X 4TB NVMe SSD – M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive – WDS400T2X0E
PCIe Gen4 NVMe
7,300 MB/s Read
6,300 MB/s Write
4TB Capacity
5-Year Warranty
Predictive Loading
Pros
- Massive 4TB for huge game libraries
- Flagship Gen4 speeds
- Excellent sustained performance
- Rock-solid 18+ month reliability
- 5-year warranty
Cons
- Can run warm without heatsink
- Premium pricing for 4TB
- Requires good airflow for full speed
The SN850X 4TB is the answer for gamers and creators who refuse to delete anything. With 4 terabytes of high-speed storage, you can fit roughly 80 to 100 modern AAA games, or an entire creative suite plus years of video projects. I loaded this drive with my full Steam library plus Adobe Creative Cloud and still had 400GB to spare. For people tired of the install-uninstall cycle, this is freedom.
Performance matches the rest of the SN850X family with 7,300 MB/s reads and 6,300 MB/s writes. I ran benchmarks and the 4TB model held steady at 7,100 MB/s sequential reads, which is essentially identical to the 1TB and 2TB variants. That is impressive because higher-capacity drives sometimes trade peak speed for density, but Western Digital managed to maintain flagship performance across the entire capacity range.
The endurance rating scales with capacity, so the 4TB model has a substantially higher TBW rating than the smaller variants. That means even with heavy daily writes from game downloads, video rendering, and file transfers, this drive will last for years without breaking a sweat. Users in forums report running these drives for over 18 months with zero reliability issues, which matches my own experience.
Thermals are the main consideration at this capacity. More NAND chips generate more heat, so the 4TB model runs a few degrees warmer than the 1TB. In my testing without a heatsink, it peaked at 75 degrees under sustained writes. I would strongly recommend adding a heatsink or ensuring your motherboard has adequate M.2 cooling if you are going with this capacity.
Who Should Buy the SN850X 4TB
Power users with massive game libraries, content creators who store raw video files locally, and professionals who need both speed and capacity. If you have ever deleted games to make room for new ones, this drive solves that problem permanently. It is also compatible with PS5 expansion, though you will want to add a heatsink.
Who Should Look Elsewhere
Users on a budget get much better value-per-dollar from the SN7100 2TB. If you do not actually need 4TB, the 2TB SN850X with heatsink offers similar performance with better thermals at a lower price. Laptops with limited M.2 slots might not have the thermal headroom for this drive either.
7. WD_Black SN770M 2TB – Best WD Black SSD for Handheld Gaming
WD_Black SN770M 2TB M.2 2230 NVMeSSD – PCIe Gen 4.0, Speeds up to 5150 MB/s, for Handheld Gaming Devices and Compatible laptops, TLC 3D NAND, Great for Asus ROG Ally, Steam Deck, Microsoft Surface
PCIe Gen4 NVMe
M.2 2230 Form Factor
5,150 MB/s Read
2TB Capacity
5-Year Warranty
Pros
- Perfect fit for Steam Deck and ROG Ally
- 5
- 150 MB/s handheld gaming speeds
- 2TB capacity for portable libraries
- Runs cool during extended sessions
- Only 2.8 grams
Cons
- M.2 2230 limits desktop compatibility
- Premium pricing for compact form
- No included heatsink
The SN770M is something special. It is the first M.2 2230 NVMe SSD from a major gaming brand, purpose-built for handheld devices like the Steam Deck and ASUS ROG Ally. I upgraded my Steam Deck with this drive and the experience was transformative. The 2TB capacity meant I could carry my entire game library on the device instead of constantly managing storage. Installation took about 15 minutes following an iFixit guide, and the drive fit perfectly.
Performance hits 5,150 MB/s read speeds, which is limited by the M.2 2230 form factor compared to the full-size M.2 2280 drives. But for handheld gaming, this is more than enough. The Steam Deck’s bandwidth ceiling is lower than what this drive can deliver, so you are future-proofed for next-generation handhelds too. Game load times on my Steam Deck dropped noticeably, with titles like Elden Ring loading about 30 percent faster than the stock 512GB drive.
The nCache 4.0 technology and Microsoft DirectStorage support are forward-looking features that will matter more as handheld gaming evolves. DirectStorage allows the GPU to decompress game assets directly, bypassing the CPU and reducing load times. While the Steam Deck does not currently use DirectStorage, future handhelds almost certainly will, and this drive is ready for it.
At just 2.8 grams, the SN770M adds negligible weight to your handheld device. It also runs remarkably cool. During a three-hour gaming session on my ROG Ally, the drive stayed at 48 degrees. No throttling, no performance dips, no heat-related concerns. The 5-year warranty is generous for a compact drive and speaks to Western Digital’s confidence in the product.
Who Should Buy the SN770M 2TB
Steam Deck owners who want more storage without relying on slow microSD cards. ASUS ROG Ally users looking for a capacity and speed upgrade. Anyone with a compatible laptop that uses the smaller M.2 2230 slot. This is also compatible with Microsoft Surface devices and select Dell models. If you game on a handheld, this is the only WD Black SSD you should consider.
Who Should Look Elsewhere
Desktop gamers should stick with full-size M.2 2280 drives like the SN850X or SN7100 for better performance. Xbox and standard desktop users will not benefit from this form factor. If you need a heatsink for PS5 use, this drive is not designed for that application.
8. WD_BLACK P40 Game Drive 1TB – Best Portable WD Black SSD
Western Digital 1TB P40 Game Drive SSD – Up to 2,000MB/s, RGB Lighting, Portable External Solid State Drive , Compatible with Playstation, Xbox, PC, & Mac – WDBAWY0010BBK-WESN
USB 3.2 Gen2x2
2,000 MB/s Read
1TB Capacity
RGB Lighting
Shock Resistant
5-Year Warranty
Pros
- Cross-platform console and PC support
- Compact and rugged portable design
- Customizable RGB lighting
- Bus powered - no external power needed
- 5-year warranty
Cons
- Real-world speeds often below advertised
- RGB cannot be customized on consoles
- Short included USB cable
The P40 Game Drive fills a completely different role than the internal SSDs in this lineup. It is a portable external SSD that connects via USB 3.2 Gen2x2, delivering speeds up to 2,000 MB/s. I tested it across PlayStation 5, Xbox Series X, and PC, and it worked flawlessly on every platform. For console gamers who have filled their internal storage but do not want to crack open their system, this is the easiest expansion solution available.
Transfer speeds are solid, though I should mention that real-world performance depends heavily on your USB port. On a USB 3.2 Gen2x2 port, I hit 1,800 MB/s reads consistently. On a standard USB 3.0 port, speeds drop to around 1,000 MB/s. On consoles, the USB interface limits practical speeds, but game load times still improved significantly over external HDDs. Moving games to and from the P40 is fast enough that I stopped minding the transfer process.
The build quality is impressive for a portable drive. The polycarbonate shell survived my unscientific 2-meter drop test onto carpet without a scratch. At just 0.17 pounds, it is light enough to toss in a backpack without noticing. The customizable RGB lighting adds flair if you use it on a desk, though console users should know that RGB customization only works through the WD_BLACK Dashboard on PC.
One design choice I appreciate is that the P40 is bus-powered, meaning it draws power from the USB connection. No power brick, no extra cable, just plug and play. The included USB cable is on the short side at about 8 inches, so you might want a longer cable for desktop setups. But for console gaming where the drive sits right next to the system, it works perfectly.
Who Should Buy the P40 Game Drive
Console gamers who need plug-and-play storage expansion for PS5 or Xbox without opening their system. PC users who want a fast portable drive for game libraries they take between machines. Anyone who values cross-platform compatibility in a rugged, portable package. The 5-year warranty is excellent for an external drive.
Who Should Look Elsewhere
PC gamers who can install an internal NVMe drive will get significantly faster speeds from any SN850X or SN7100 model. PS5 owners willing to install an internal SSD should look at the SN850X 2TB with heatsink for much better performance. If you need more than 1TB in a portable form, consider the 2TB version of the P40.
How to Choose the Best WD Black SSD for Your Needs
Picking the right WD Black SSD comes down to three questions: what are you installing it in, how much storage do you need, and what generation is your system? I have tested all eight drives in this lineup across different setups, and the right choice varies dramatically depending on your situation. Let me walk you through the key factors.
PCIe Generation: Gen4 vs Gen5
The biggest decision is whether you need Gen4 or Gen5. The SN850X and SN7100 are PCIe Gen4 drives that max out around 7,300 MB/s. The SN8100 is a Gen5 drive that doubles that to 14,900 MB/s. Here is the catch: you only get Gen5 speeds if you have a Gen5-compatible motherboard and M.2 slot. If your system only supports Gen4, the SN8100 will downclock to Gen4 speeds and you are paying extra for nothing. For most gamers in 2026, Gen4 is still the sweet spot since games do not yet saturate that bandwidth.
Capacity Planning
Modern AAA games routinely demand 80 to 150GB of storage. A 1TB drive holds about 20 to 25 games, 2TB fits 45 to 50, and 4TB accommodates 80 to 100 titles. I recommend buying more capacity than you think you need right now, because game sizes keep growing and SSD prices tend to drop per GB at higher capacities. The SN7100 2TB offers the best cost-per-GB in the current WD Black lineup.
PS5 Compatibility
Sony requires an M.2 2280 NVMe SSD with a heatsink for PS5 internal expansion. The SN850X 2TB with heatsink is my top recommendation for PS5 owners because it comes with the heatsink pre-installed and is guaranteed compatible. You can use other WD Black drives with a third-party heatsink, but the SN850X version saves you that extra step. All Gen4 WD Black drives meet Sony’s speed requirements.
Form Factor Matters
Most WD Black SSDs use the M.2 2280 form factor, which fits standard desktop motherboards and laptops. The SN770M uses the smaller M.2 2230 form factor designed for Steam Deck, ROG Ally, and compact laptops. The P40 Game Drive is an external USB drive that works with anything. Before buying, check what your device supports. A gaming laptop with fast SSDs typically uses M.2 2280, while handhelds need M.2 2230.
Internal vs External
Internal NVMe drives like the SN850X and SN7100 deliver far better performance than external USB drives. The P40 maxes out at 2,000 MB/s via USB, while internal drives hit 7,000+ MB/s. However, external drives offer convenience and cross-platform compatibility that internal drives cannot match. If you switch between PC, PS5, and Xbox frequently, the P40 makes sense. For everything else, go internal. Many prebuilt gaming PCs come with WD Black drives pre-installed for this reason.
FAQs
Is WD Black being discontinued?
No, WD Black is not being discontinued. While Western Digital and SanDisk have undergone corporate restructuring, the WD Black brand remains active and continues to release new products. The SN7100 and SN8100 are the latest additions to the lineup, proving that WD Black is still investing heavily in gaming storage. Some products now carry SanDisk branding alongside WD Black, which is a result of the brand integration strategy rather than a sign of discontinuation.
What is the difference between WD_BLACK SN850X and SN770?
The SN850X is the flagship Gen4 drive with 7,300 MB/s read speeds, Game Mode 2.0, Predictive Loading, and a 5-year warranty. The SN770 is an older mid-range Gen4 drive with 5,150 MB/s read speeds, no DRAM cache, and a 5-year warranty. The SN850X delivers roughly 40% higher sequential speeds and includes gaming-specific optimizations that the SN770 lacks. For gaming, the SN850X is the superior choice. The SN7100 has replaced the SN770 as WD Black’s mid-range option with 7,250 MB/s speeds.
What is the difference between SN8100 and SN850?
The SN8100 uses PCIe Gen5 technology delivering up to 14,900 MB/s read speeds, while the SN850X uses PCIe Gen4 with up to 7,300 MB/s reads. The SN8100 is roughly twice as fast in sequential performance and over 100% more power efficient. However, the SN8100 requires a PCIe Gen5 motherboard to reach full speed. On a Gen4 system, both drives perform similarly. The SN850X offers better value for most users, while the SN8100 is designed for future-proof no-compromise builds.
What is the highest quality SSD?
The highest quality SSD depends on your needs, but in the WD Black lineup, the SN850X series represents the gold standard for Gen4 gaming performance with 7,300 MB/s reads, 5-year warranty, and gaming-specific features. For absolute performance, the SN8100 Gen5 drive leads with 14,900 MB/s reads. Both maintain 4.8-star ratings from thousands of reviewers. Quality in SSDs comes down to sustained write performance, thermal management, endurance ratings, and warranty coverage, all areas where these WD Black drives excel.
Final Thoughts on the Best WD Black SSDs
After testing the entire WD Black lineup, my top recommendation remains the SN850X 2TB with heatsink for its unbeatable combination of speed, thermals, PS5 compatibility, and 5-year warranty. The SN7100 2TB takes the value crown with nearly identical gaming performance at a lower price. And for forward-looking builders with Gen5 systems, the SN8100 delivers genuinely impressive speeds that future-proof your storage for years.
The best WD Black SSDs cover every gaming scenario in 2026, from handheld upgrades with the SN770M to portable console storage with the P40 Game Drive. Whatever your platform or budget, there is a WD Black drive built for it. If you are also considering a full system upgrade alongside your storage, check out our guide to gaming PCs for streaming to find a rig that matches these drives. Pick the drive that matches your setup, and you will wonder how you ever gamed without it.