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WD_BLACK 2TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS200T2X0E
- TRANSFORM YOUR PC. Get top-tier performance and ridiculously short load times for your gaming PC or workstation with insane speeds up to 7,300 MB/s (2TB).
- MORE ROOM, MORE GAMES. Capacities up to 8TB built with Western Digital® TLC 3D NAND, means you get to download more games — and stop deleting your favorites.
- HEATSINK FOR THE WIN. All capacities have an optional heatsink version to help maintain peak performance through your most intense gaming sessions.
- DO MORE WITH DASHBOARD. The downloadable WD_BLACK™ Dashboard (Windows® only) monitors your drive’s health, lets you customize your RGB lighting (heatsink versions only), and can automatically detect games to turn on Game Mode 2.0.
- FUTURE-FORWARD FEATURES. The WD_BLACK™ SN850X boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).
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Overview
Specs
Reviews (1,284)
Overview
The SanDisk BLACK SN850X NVMe 2TB internal SSD is designed for consumer gaming PCs and workstations. Its PCIe 4.0 x4 interface, NVMe protocol, and M.2 2280 form factor provide high-speed storage with sequential read speeds up to 7,300 MB/s.
Key Features
- 2TB capacity with TLC memory components
- Sequential read speeds up to 7,300 MB/s and sequential write speeds up to 6,600 MB/s
- 4KB random read performance up to 1,200,000 IOPS and random write performance up to 1,100,000 IOPS
- 2GB DRAM cache
- Downloadable WD_BLACK Dashboard software for Windows
Performance
The drive delivers sequential read speeds up to 7,300 MB/s and sequential write speeds up to 6,600 MB/s. 4KB random read performance reaches up to 1,200,000 IOPS, while 4KB random write performance reaches up to 1,100,000 IOPS.
Design
This internal SSD uses an M.2 2280 form factor and is supplied without a heatsink. It measures 2.38 mm in height, 22.00 mm in width, and 80.00 mm in depth, with a weight of 7.50 g.
Connectivity & Compatibility
The drive uses a PCI-Express 4.0 x4 interface and NVMe protocol in an M.2 2280 form factor. It is intended for consumer use in compatible gaming PCs and workstations.
Reliability & Durability
The drive is rated for 1,200TB terabytes written and an MTTF of 1.75M Hours. Operating temperature is 0°C ~ +85°C, and storage temperature is -40°C ~ +85°C. Maximum shock resistance is 1,500G @0.5 ms half sine. Operating vibration is 5 gRMS, 10-2000 Hz, 3 axes, and non-operating vibration is 4.9 gRMS, 7-800 Hz, 3 axes.
Software & Tools
The downloadable WD_BLACK Dashboard is Windows-only. It monitors drive health, can customize RGB lighting on heatsink versions, and can automatically detect games to turn on Game Mode 2.0.
Specifications
- Brand: SanDisk
- Series: BLACK SN850X NVMe
- Model: WDS200T2X0E
- Device Type: Internal Solid State Drive (SSD)
- Capacity: 2TB
- Memory Components: TLC
- Interface: PCI-Express 4.0 x4
- Protocol: NVMe
- Cache: 2GB DRAM
- Max Sequential Read: Up to 7300 MBps
- Max Sequential Write: Up to 6600 MBps
- 4KB Random Read: Up to 1,200,000 IOPS
- 4KB Random Write: Up to 1,100,000 IOPS
- Terabytes Written (TBW): 1200TB
- MTTF: 1.75M Hours
- HeatSink: without HeatSink
- Operating Temperature: 0°C ~ +85°C
- Storage Temperature: -40°C ~ +85°C
- Height: 2.38mm
- Width: 22.00mm
- Depth: 80.00mm
- Weight: 7.50g
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 5 years
- Limited Warranty period (labor): 5 years
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.ca's Standard Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-275-4932
- Support Website
- View other products from SanDisk
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The WD_BLACK SN850X is a 2TB M.2 2280 PCIe 4.0 NVMe SSD for PC gamers who want fast game loading and room for a large library, with sequential speeds up to 7,300 MB/s read and 6,600 MB/s write.
Recommended For
- PC gamers with a PCIe 4.0 M.2 slot who want a fast 2TB drive for a large game library and short load times.
- Desktop builders upgrading to a high-performance PCIe 4.0 NVMe drive for a system with an available M.2 2280 slot.
- Creators who regularly move large files or work with media projects and can use the drive’s fast sequential read and write performance.
- PC upgraders who specifically want a top-tier PCIe 4.0 drive and do not need a PCIe 5.0 model.
Real-World Use Scenarios
- When a PC gamer wants to keep a large collection of installed games on one drive, the 2TB SN850X provides room for a substantial library and reduces the need to uninstall games to free up space.
- When loading games from an older hard drive or SATA SSD, a player may notice shorter waits for game launches and level loads; compared with another fast NVMe SSD, the difference is often smaller and depends on the game and PC.
- For a new gaming PC or workstation, using the SN850X as the Windows and application drive gives the system one fast place for startup files, frequently used programs, and games; everyday responsiveness also depends on the rest of the system.
- When a creator or developer regularly moves large project files, video assets, or build data, the SN850X can serve as a fast internal work drive; transfer times vary with file sizes, source and destination drives, and the workload.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Gaming PCs and other compatible computers with an M.2 2280 M-key slot |
| Capacity | 2TB (2,000GB) of internal solid-state storage |
| Interface And Form Factor | PCIe 4.0 x4 with NVMe, in an M.2 2280 form factor |
| Read Write Performance | Sequential speeds up to 7,300MB/s read and 6,600MB/s write; random performance up to 1,200,000 IOPS read and 1,100,000 IOPS write |
| Cache And Flash | 2GB DRAM cache with TLC flash memory |
| Endurance And Reliability | Rated for 1,200TB written, with an MTTF of 1.75 million hours |
| Thermal And Environmental Specifications | Operates from 0°C to 85°C; storage temperature range is -40°C to 85°C. Shock resistance up to 1,500G at 0.5ms; operating vibration 5gRMS and non-operating vibration 4.9gRMS |
| Physical Specifications | 22 × 80 × 2.38mm; weighs 7.5g |
| Heatsink | Without heatsink |
| Model Identifiers | WD_BLACK SN850X NVMe; model WDS200T2X0E |
Reference Q&A
Q: WD_BLACK SN850X 2TB or Samsung 990 PRO 2TB—which should I choose?
A: Both are high-end PCIe 4.0 NVMe SSDs for gaming and demanding PC use. The 990 PRO has slightly higher rated sequential speeds (up to 7,450/6,900 MB/s read/write versus 7,300/6,600 MB/s for the SN850X); choose it if those specifications or Samsung’s Magician software appeal to you. Choose the SN850X if it is the better fit for your system or costs less at the time of purchase. For typical gaming, compare the specific workload and price rather than assuming the small spec difference will determine load times.
Q: Is the SN850X worth choosing over the WD_BLACK SN770 for a gaming PC?
A: Choose the 2TB SN850X when you want the higher-performance option for large transfers and demanding workloads: its rated sequential speeds are up to 7,300/6,600 MB/s, compared with 5,150/4,850 MB/s for the 2TB SN770. The SN770 is a sensible alternative when it costs less and your priority is adding game storage for everyday gaming. The SN850X has onboard DRAM; the SN770 uses a DRAM-less design.
Q: Should I upgrade from the original WD_BLACK SN850 to the SN850X?
A: The SN850X is faster on paper and in Tech Advisor’s same-test-rig comparison, particularly for sequential writes: its 2TB sample recorded higher read and write speeds than the original SN850. It is a reasonable upgrade if you need more speed, are replacing a drive, or find the SN850X at a favorable price. If your SN850 is already meeting your needs, the benchmark gains alone may not justify replacing it for routine gaming.
Q: Does the 2TB SN850X without a heatsink work in a PS5?
A: The Newegg-listed WDS200T2X0E is the SN850X without a heatsink. WD specifies the SN850X heatsink model for PS5 compatibility, so choose that version for a PS5 installation. For a PC, this bare version can suit an M.2 2280 PCIe 4.0 slot; use an included motherboard heatsink if the slot has one.
Q: Does this 2TB SN850X include a heatsink?
A: No. The listed WDS200T2X0E is the version without a heatsink. Check whether your motherboard or device provides one; otherwise, you may need to add a compatible heatsink for your setup.
Q: Can I use this SSD in a PS5?
A: This model is sold without a heatsink. Before using it in a PS5, check the console’s current M.2 SSD requirements and add a compatible heatsink if needed; confirm the SSD and heatsink fit within the available space.
Q: What should I check before installing it in a PC?
A: Check that your PC has an M.2 2280 socket that supports NVMe drives. The SSD uses PCIe 4.0 x4; reaching its listed top speeds also depends on the system supporting that interface.
Q: Will it fit in a laptop?
A: It may fit if the laptop has an available M.2 2280 NVMe slot and enough physical clearance. This version has no built-in heatsink, but confirm compatibility with the laptop manufacturer before buying.
Q: Is the SN850X worth buying over a cheaper SSD for gaming?
A: It is a high-performance PCIe 4.0 drive, rated up to 7,300 MB/s read and 6,600 MB/s write, with TLC NAND and DRAM cache. Reddit discussions describe cheaper drives as sufficient for game storage, so the SN850X is most compelling when its price is close to alternatives or you also value high-end drive performance for other workloads.
Q: Is the 2TB SN850X overkill if I mainly want to store games?
A: It may be more performance than game storage alone requires. Reddit users discussing this use case note that less expensive SSDs can also store and run games; the SN850X’s 2TB capacity and high rated speeds may be useful if you also want a premium drive for other tasks.
Q: Should I get the SN850X with or without a heatsink?
A: This 2TB model is the version without a heatsink. Reddit discussions suggest it can suit a motherboard slot that has its own M.2 heatsink; check the board’s fit and installation guidance. If the slot has no heatsink, consider a compatible heatsink solution. Avoid stacking heatsinks, which can interfere with fit.
Q: Is the SN850X a good choice for a boot drive and gaming?
A: It is suitable for that combination: the product is an M.2 2280 PCIe 4.0 NVMe drive with DRAM cache and 2TB capacity. Reddit comparisons with similarly high-end SSDs describe performance as close enough that price and system compatibility are practical factors in choosing between them.