Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

WD Ultrst DC SN640 SFF-7 PCIe

960 GB, 2.5"
Currently out of stock
Free shipping starting at 30,–

Product details

The Western Digital Ultrastar DC SN640 is a powerful SATA SSD specifically designed for use in servers and workstations. With a storage capacity of 960 GB, it provides ample space for extensive data and applications. The SSD utilizes the PCIe interface and offers impressive read and write speeds of up to 3000 MB/s and 1100 MB/s, respectively, enabling fast data processing and transfer. The use of TLC NAND technology ensures high reliability and performance, while AES encryption provides additional security for sensitive data. With a compact 2.5-inch form factor and a weight of only 95 grams, the Ultrastar DC SN640 is a flexible solution for various system configurations.

  • Maximum random 4K read performance of 413,000 IOPS
  • Maximum random 4K write performance of 44,000 IOPS
  • Low power consumption in standby mode of 5 watts
  • Supports NVMe protocol for enhanced performance
  • Robust design with a 2.5-inch form factor.

Key specifications

Protocol
NVMe
Read transfer speed
3000 MB/s
Write transfer speed
1100 MB/s
Max. random 4K read
413000 IOPS
Max. random 4K write
44000 IOPS

General information

Item number
15643022
Manufacturer
WD
Category
SSD
Manufacturer No.
0TS1927
Release date
2.3.2020

Data storage properties

SSD type
SATA SSD
Form factor
2.5"
Storage capacity
960 GB
Protocol
NVMe
Read transfer speed
3000 MB/s
Write transfer speed
1100 MB/s
Memory type (NAND)
TLC
Max. random 4K read
413000 IOPS
Max. random 4K write
44000 IOPS
SSD Features
AES encryption

Power

Power consumption
12 W
Power consumption (standby)
5 W

Sustainability

Manufacturer commitment
SBTi

Product dimensions

Length
10.05 cm
Width
6.99 cm
Height
0.70 cm
Weight
95 g

Legal Notice

Product Safety

Package dimensions

Length
21 cm
Width
13.20 cm
Height
6 cm
Weight
80 g

Legal concerns

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «SSD» category have a defect within the first 24 months?

Source: Galaxus
  • 10.Emtec
    0,7 %
  • 10.Micron
    0,7 %
  • 10.WD
    0,7 %
  • 13.Patriot
    0,8 %
  • 13.Silicon Power
    0,8 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 8.Samsung
    2 days
  • 8.SANDISK
    2 days
  • 8.WD
    2 days
  • 15.Corsair
    3 days
  • 15.Lexar
    3 days

Return rate

How often is a product of this brand in the «SSD» category returned?

Source: Galaxus
  • 7.Samsung
    2 %
  • 10.Emtec
    2,1 %
  • 11.WD
    2,3 %
  • 12.Crucial
    2,5 %
  • 13.Team Group
    2,7 %
Source: Galaxus