WD Ultrastar DC SN640

6400 GB, 2.5"
Currently out of stock
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Product details

The Ultrastar NVMe series SSDs are as fast as today's business demands. These SSDs enable faster intelligence and quicker access to critical data, meeting the growing digital requirements of your business applications. The Ultrastar DC SN200 delivers extreme performance and ultra-low latency for top-tier enterprise storage. It elevates the system throughput of hyper-converged infrastructures to a higher level and supports the scaling of online transaction processing. The Essential NVMe drives, Ultrastar DC SN640 and DC SN630, provide low latency and higher bandwidth for a seamless transition from SATA SSDs in mixed-use and read-intensive applications. This high throughput and low latency deliver exceptional performance for deeper insights and faster results for today's data-intensive applications. The Ultrastar DC SN340 offers an energy-efficient, cost-optimized solution for very read-intensive applications and warm storage.

Key specifications

SSD type
SATA SSD
Interface
PCIe
Protocol
NVMe
Write transfer speed
1800 MB/s
Read transfer speed
3100 MB/s
Max. random 4K read
469000 IOPS
Max. random 4K write
116000 IOPS
Item number
14250569

General information

Manufacturer
WD
Category
SSD
Manufacturer no.
0TS1955
Release date
13.11.2020

Data storage properties

SSD type
SATA SSD
Form factor
2.5"
Storage capacity
6400 GB
Interface
PCIe
Protocol
NVMe
Read transfer speed
3100 MB/s
Write transfer speed
1800 MB/s
Memory type (NAND)
TLC
Max. random 4K read
469000 IOPS
Max. random 4K write
116000 IOPS
Storage Cooling
without heatsink
SSD Features
AES encryption

Power supply

Power consumption (standby)
5 W
Power consumption
12 W

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

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

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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
  • 9.Gigabyte
    0,7 %
  • 9.Kingston
    0,7 %
  • 9.WD
    0,7 %
  • 12.Crucial
    0,8 %
  • 12.Emtec
    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
  • 14.SanDisk
    2 days
  • 16.Seagate
    3 days
  • 16.Synology
    3 days
  • 16.WD
    3 days
  • 19.Samsung
    4 days

Return rate

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

Source: Galaxus
  • 14.Lexar
    2,2 %
  • 14.Verbatim
    2,2 %
  • 16.WD
    2,4 %
  • 17.Crucial
    2,6 %
  • 18.Corsair
    2,9 %
Source: Galaxus