WD Ultrastar DC SN840

15360 GB, 2.5"
Ratings
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Product details

The Ultrastar NVMe series SSDs offer the highest speed for today's business demands. With the increasing digitalization, companies require fast access to business-critical data and information. Enterprise-class SSDs must therefore deliver outstanding performance and ultra-low latency – just like the Ultrastar DC SN840. Hyper-converged infrastructures benefit from a significant increase in throughput, and OLTP workloads can be scaled more flexibly.

Key specifications

Interface
PCIe
Interface version
PCIe 3.0
Protocol
NVMe
Read transfer speed
3311 MB/s
Write transfer speed
3046 MB/s
Max. random 4K read
780000 IOPS
Max. random 4K write
149000 IOPS

General information

Item number
16393689
Manufacturer
WD
Category
SSD
Manufacturer no.
0TS2058
Release date
10.8.2021

Data storage properties

SSD type
U.2 SSD
Form factor
2.5"
Storage capacity
15360 GB
Interface
PCIe
Interface version
PCIe 3.0
Protocol
NVMe
Read transfer speed
3311 MB/s
Write transfer speed
3046 MB/s
Memory type (NAND)
TLC
Max. random 4K read
780000 IOPS
Max. random 4K write
149000 IOPS
Scope of application
Enterprise
MTBF
2500000 h

Power supply

Power consumption (standby)
6 W
Power consumption
18 W

Origin

Country of origin
China

Sustainability

Manufacturer commitment
SBTi

Scope of delivery

Scope of delivery
1 x Western Digital Ultrastar DC SN840 WUS4BA1A1DSP3X4

Product dimensions

Length
10.05 cm
Width
6.99 cm
Height
1.50 cm
Weight
165 g

Package dimensions

Length
15.60 cm
Width
11.20 cm
Height
4.90 cm
Weight
178 g

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Reviews & Ratings

Warranty score

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

Source: Digitec Galaxus
  • 11.Crucial
    0.7 %
  • 11.Dell
    0.7 %
  • 11.WD
    0.7 %
  • 14.Intel
    0.8 %
  • 14.PNY
    0.8 %

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: Digitec Galaxus
  • 9.Kioxia
    2 days
  • 9.Silicon Power
    2 days
  • 9.WD
    2 days
  • 14.Lexar
    3 days
  • 14.Samsung
    3 days

Return rate

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

Source: Digitec Galaxus
  • 8.Samsung
    1.9 %
  • 11.SANDISK
    2.2 %
  • 11.WD
    2.2 %
  • 13.Raspberry Pi
    2.3 %
  • 14.Crucial
    2.5 %
Source: Digitec Galaxus