WD Ultrastar DC SN840 NVMe SE U.2 - 3.2TB

3200 GB, 2.5"
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Product details

Performance NVMe SSDs enable enterprise workloads. The adoption of NVMe in data centers continues to grow as modern applications and workloads demand more performance. The Western Digital Ultrastar DC SN840 Performance NVMe SSDs are designed for primary storage for HPC servers and primary storage in external storage arrays.

Performance NVMe SSDs target cloud computing and enterprise workloads that require low latency for data and high data availability. These applications include real-time data analytics, cloud computing, OLTP/OLAP databases, artificial intelligence, machine learning, pattern recognition, and virtualization. The Ultrastar DC SN840 is Western Digital's third generation of high-performance NVMe SSDs for data centers with PCIe Gen 3.1 (Dual-Port), NVMe 1.3, offering up to 3,470/3,300 MB/s sequential read/write performance and up to 503K IOPS mixed random 70/30 read/write performance.

Dual-Port Leadership. The Ultrastar DC SN840 builds on Western Digital's leadership in dual-port architecture through vertical integration of proven flash controllers. Dual-port high availability supports two redundant paths to the SSD and is critical for accessing data in the event of a data path failure.

Specifications:

  • Capacity: 3.2 TB
  • Form Factor: 2.5-inch
  • Sequential Read Performance: 3470 MB/s
  • Sequential Write Performance: 3300 MB/s
  • Random Read: 780K IOPS
  • Random Write: 257K IOPS
  • Interface: PCIe 3.1 1x4 or 2x2, NVMe 1.3c
  • Security: SE
  • Endurance (TBW): 3
  • Dimensions (L x W x H): 100.45 mm x 69.85 mm x 15 mm
  • Weight: 173 g
  • Model Number: WUS4C6432DSP3X1
  • Operating Temperature: 0 °C to 70 °C
  • Non-Operating Temperature: -40 °C to 85 °C
  • Certifications: BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme.

Key specifications

SSD type
U.2 SSD
Interface
PCIe 3.1
Protocol
NVMe
Write transfer speed
3300 MB/s
Read transfer speed
3470 MB/s
Max. random 4K read
780000 IOPS
Max. random 4K write
257000 IOPS
Item number
21535013

General information

Manufacturer
WD
Category
SSD
Manufacturer no.
0TS1876
Release date
22.7.2022

Data storage properties

SSD type
U.2 SSD
Form factor
2.5"
Storage capacity
3200 GB
Interface
PCIe 3.1
Protocol
NVMe
Read transfer speed
3470 MB/s
Write transfer speed
3300 MB/s
Memory type (NAND)
TLC
Max. random 4K read
780000 IOPS
Max. random 4K write
257000 IOPS
Storage Cooling
without heatsink
SSD Features
Password protected

Power supply

Power consumption (standby)
6 W
Power consumption
18 W

Origin

Country of origin
Singapore

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
10.05 cm
Width
6.99 cm
Height
1.50 cm

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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
  • 9.Gigabyte
    0.7 %
  • 9.Kingston
    0.7 %
  • 9.WD
    0.7 %
  • 12.Crucial
    0.8 %
  • 12.Emtec
    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
  • 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: Digitec Galaxus
  • 14.Lexar
    2.2 %
  • 14.Verbatim
    2.2 %
  • 16.WD
    2.4 %
  • 17.Crucial
    2.6 %
  • 18.Corsair
    3 %
Source: Digitec Galaxus