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WD_BLACK 1TB SN850X NVMe Internal Gaming SSD Solid State Drive - Gen4 PCIe, M.2 2280, Up to 7,300 MB/s - WDS100T2X0E
- 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 (1TB – 8TB models).
- 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 (1,293)
Overview
The Western Digital WD_BLACK SN850X 1TB NVMe Internal SSD is a consumer storage drive for gaming PCs and workstations. It combines a PCIe 4.0 x4 NVMe interface, M.2 2280 form factor, and sequential read speeds up to 7,300 MB/s.
Key Features
- 1TB capacity for games, applications, and consumer data
- PCIe 4.0 x4 NVMe interface in an M.2 2280 form factor
- 3D NAND TLC memory components and 1GB DRAM cache
- Up to 800,000 IOPS 4KB random read and up to 1,100,000 IOPS 4KB random write
- This SKU is the version without a heatsink
Performance
The drive provides maximum sequential read speeds up to 7,300 MB/s and maximum sequential write speeds up to 6,300 MB/s. Its rated 4KB random performance is up to 800,000 IOPS for reads and up to 1,100,000 IOPS for writes.
Design
The M.2 2280 internal SSD measures 80.00mm deep, 22.00mm wide, and 2.38mm high, with a weight of 7.50g. The selected WDS100T2X0E model is without a heatsink.
Connectivity & Compatibility
The drive uses an NVMe protocol over a PCI-Express 4.0 x4 interface and has an M.2 2280 form factor. Confirm that the host system supports an M.2 2280 NVMe drive with a PCI-Express 4.0 x4 interface before installation.
Reliability & Durability
The drive is rated for 600TB total bytes written and 1.75M hours MTTF. Operating temperature is 0°C to +85°C, and storage temperature is -40°C to +85°C. Maximum shock resistance is 1,500G at 0.5 ms half sine. Operating vibration is 5 gRMS at 10-2000 Hz across 3 axes, while non-operating vibration is 4.9 gRMS at 7-800 Hz across 3 axes.
Software & Tools
The downloadable WD_BLACK Dashboard is Windows only. It monitors drive health, can automatically detect games to turn on Game Mode 2.0, and can customize RGB lighting on heatsink versions only. This SKU is without a heatsink.
Specifications
- Brand: Western Digital
- Series: BLACK SN850X NVMe
- Model: WDS100T2X0E
- Device Type: Internal Solid State Drive (SSD)
- Capacity: 1TB
- Memory Components: 3D NAND TLC
- Interface: PCI-Express 4.0 x4
- Protocol: NVMe
- Cache: 1GB DRAM
- Max Sequential Read: Up to 7300 MBps
- Max Sequential Write: Up to 6300 MBps
- 4KB Random Read: Up to 800,000 IOPS
- 4KB Random Write: Up to 1,100,000 IOPS
- Terabytes Written (TBW): 600TB
- MTTF: 1.75M Hours
- HeatSink: without HeatSink
- Dimensions: 80.00mm depth x 22.00mm width x 2.38mm height
- 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 until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.ca's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
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 1TB PCIe 4.0 NVMe M.2 SSD for gamers and PC users who want fast storage, with sequential speeds up to 7,300 MB/s read and 6,300 MB/s write. This model has no heatsink.
Recommended For
- PC gamers with a PCIe 4.0 M.2 slot who want a fast drive for game installs and shorter load times; this is the kind of gaming use WD positions the SN850X for.
- PC users who regularly copy large game, media, or work files and want strong real-world transfer performance from an internal NVMe drive.
- Desktop builders who want a bare M.2 2280 drive and can use their motherboard’s M.2 heatsink or provide adequate cooling; the listed 1TB version does not include a heatsink.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Gaming PCs and workstations; also listed as compatible with Sony PlayStation 5 |
| Capacity | 1TB (1000GB) |
| Interface And Form Factor | PCIe 4.0 x4 NVMe interface in an M.2 2280 form factor; requires a computer with an M-key M.2 port |
| Read Write Performance | Sequential read up to 7,300 MB/s and write up to 6,300 MB/s; 4KB random read up to 800,000 IOPS and write up to 1,100,000 IOPS |
| NAND And Cache | 3D TLC NAND with 1GB DRAM cache |
| Endurance And Reliability | Rated for 600TB written and 1.75 million hours MTTF |
| Physical Design | Heatsink-free; measures 80 × 22 × 2.38mm and weighs 7.5g |
| Environmental Limits | Operating temperature: 0°C to 85°C; storage temperature: −40°C to 85°C; shock resistance: 1,500G at 0.5ms; operating vibration: 5gRMS, 10–2000Hz, 3 axes; non-operating vibration: 4.9gRMS, 7–800Hz, 3 axes |
| Model Identifiers | Western Digital WD_BLACK SN850X NVMe; model WDS100T2X0E |