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  • MX65305 Black M.2 NVMe PCIe x4 SSD, 256GB

Black M.2 NVMe PCIe x4 SSD, 256GB

From 3 Customer Reviews

Product Info

WD Black SSDs: Next Gen M.2 Storage for Your Extreme PC Builds


With sequential read speeds up to 2,050MB/s, this WD 256GB Black PCIe Gen3 x4 NVMe SSD unlocks a new level of performance for high-performance PC users way beyond SATA III storage!

Unleashed Performance For Next Level Computing
WD Black PCIe SSDs are equipped with sequential read speeds up to 2050MB/s: at least 3.5x faster than any standard SATA III SSD!

Thermal & Power Management
Comprehensive thermal throttling and power management algorithms help prevent overheating and maintain high performance.

Suggested Applications

WD Black M.2 PCIe SSDs are available in an 2280 form factor, perfect for building high-end gaming systems or high-performance Tower desktops and laptops with support for an M-type connector.

The WD Advantage

WD puts their products through extensive Functional Integrity Testing (FIT) prior to any product launch. This testing ensures our products consistently meet the highest quality and reliability standards of the WD brand.

WD also has a detailed Knowledge Base with more than 1,000 helpful articles as well as software and utilities. Our customer support lines have long operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are here to help, or you can access our WD Support site for additional details.


M.2's Slot Design Size Is Ideal for Desktop & SFF PCs

With a thin, single-sided M.2 design, the WD Black PCIe SSD is perfect for tower desktop chassis as well as small form-factor, high-performance PCs.

WD SSD Dashboard & Acronis® True Image™ WD Edition Downloads

Monitor your drive's health with the free, downloadable WD SSD Dashboard App. Setup and Clone Drives* with Acronis® True Image™ (WD Edition) software.

Download the Free WD SSD Dashboard Software

Download the Free Acronis True Image WD Edition Software
* NOTE: You need at least one WD Drive attached in your system to be able to install and run True Image™.

Leading Edge Reliability

With a long 1.75 Million hour Mean Time To Failure (MTTF) and several leading error-correction technologies, you get world class long lasting reliability.

5 Year Limited Warranty w/ WD F.I.T. Lab Certification

WD Black PCIe SSDs are certified by WD F.I.T. Lab for compatibility with a wide range of high-performance PC configurations and come with a 5-year limited warranty.

Additional Information

Visit the Manufacturer Web Page for Full Details

Download the Manufacturer Specification Sheet




Type Western Digital Black Series M.2 PCIe x4 NVMe SSD
Part Number WDS256G1X0C
Unformatted Capacity 256GB
Sequential Bandwidth Reads: up to 2,050MB/s
Writes: up to 700MB/s
Random IOPS
(4K, Q=32, T=4)
Reads: up to 170,000 IOPS
Writes: up to 130,000 IOPS
Interface M.2 PCIe x4 NVMe SSD
Form Factor 2280 (80mm) M.2 Industry Standard Form Factor
MTBF 1.75 Million Hours
TBW Total Bytes Written: 80TB
Temperature Operating: 0 ~ 70° C
Non-Operating: -55 ~ 85° C
Shock Operating & Standby: 1500G @ 0.5ms (Half Sine)
Vibration Operating: 5.0gRMS, 10 ~ 2,000Hz on 3 Axes
Storage: 4.9gRMS, 7 ~ 800Hz
Compliance BSMI, FCC, KC, TUV, UL, VCCI
Power Consumption Low Power Mode (PS4): 5.5mw
Average Active: 135mW
Maximum: 8.25W
(all above at 3.3Vdc)
Dimensions (LxWxH) 80.0 x 22.0 x 2.23mm
Weight 7.2g