SKU: TUVHAW8HM6 |  Mfg. Part: SD7UN3Q-256G-1122  | UPC: 619659117160  | 
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Western Digital SD7UN3Q-256G-1122 SanDisk 256GB M.2 SATA SSD X300s

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Product Overview

The SanDisk X300s 256GB M.2 SATA SSD delivers exceptional performance and reliability for your computing needs. Designed to fit seamlessly into M.2 slots, this solid-state drive combines speed and efficiency, making it an ideal choice for boosting system performance in laptops and desktops.

With high sequential read and write speeds, you can enjoy fast boot times and quick access to your data. The low power consumption ensures that your devices remain energy-efficient while providing robust performance.

Technical Specifications

Specifications

  • Capacity: 256 GB
  • Form Factor: M.2 2280
  • Interface: SATA 6 Gb/s
  • Sequential Read Rate: Up to 520 MB/s
  • Sequential Write Rate: Up to 460 MB/s
  • Random Read: Up to 90,000 IOPS
  • Random Write: Up to 80,000 IOPS
  • MTBF: Up to 2,000,000 Hours
  • Endurance: >80 TBW
  • Latency Read/Write: 55/65 μs
  • Power Consumption:
    • Active: 120 mW
    • Slumber: 90 mW
    • DEVSLP: 5.0 mW
  • Vibration:
    • Operation: 5.0 gRMS, 10 - 2000Hz
    • Non-operation: 4.9 gRMS, 7 - 800Hz
  • Shock:
    • Operation: 1,500G @ 0.5 ms (Half sine)
    • Non-operation: 1,500G @ 0.5 ms (Half sine)
  • Certifications: FCC, UL, TUV, BSMI, VCCI
  • Thickness: 2.23 mm
  • Dimensions: 2.23 x 22.00 x 80.00 mm
  • Weight: 7.0 ± 0.5 g

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
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  • Updated:
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  • Western Digital
  • SD7UN3Q-256G-1122
  • 619659117160
  • New
  • 0.1 lbs
  • 5 X 5 X 5
  • Feb 19, 2026
  • Dec 30, 2025
Product Identifiers: Brand: Western Digital • Part #: SD7UN3Q-256G-1122 • UPC: 619659117160

Western Digital SD7UN3Q-256G-1122 SanDisk 256GB M.2 SATA SSD X300s

Reviews for Western Digital SD7UN3Q-256G-1122

$172.59