WD DC SN655 SFF15 61.44TB PCIE DP BICS5 SE

61440 GB, 2.5"
CHF157.05/1TB
Currently out of stock
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Product details

Data strategy, not just data storage. Ultrastar NVMe enterprise SSDs continue to be the ideal solution for cloud and server providers who need performant, high-capacity, cost-optimized, read-intensive performance for their data-intensive applications.

Unlocking the full potential of enterprise SSDs. With dual-port redundancy and failover capability, end-to-end data protection and additional enterprise features, Ultrastar DC SN655 NVMe SSDs help ensure your data is secure and available when needed. With high-capacity, low-latency performance reaching up to 1.1M IOPs, storage providers are efficiently able to increase capacity for modern applications processing large unstructured datasets, reducing time-to-insights of big data and enabling efficient machine learning.

Features. Ultrastar DC SN655 NVMe SSDs include the next generation Western Digital NVMe 1.4b controller with PCIe Generation 4.0 interface and Western Digital BiCS5 TLC 3D NAND to enable higher capacities and performance at scale for increasingly larger application workloads. Designed and built for the standard 2.5” SSD storage infrastructure, the SN655 includes support for U.2 and U.3 backplanes and features power loss protection, 2.5M MTBF (projected), and 1.0 DW/D with a 5 year limited warranty.

Emerging workloads. Ultrastar DC SN65x NVMe SSDs are optimized for cloud and scaleout workloads, providing high QoS consistency for the emerging workloads for big data, artificial intelligence, and machine learning that are increasing in size and complexity, making them the ideal solution for scaling capacity and maximizing GB/watt.

Key specifications

Interface version
PCIe 4.0
Protocol
NVMe
Interface
PCIe
Write transfer speed
3150 MB/s
Read transfer speed
4300 MB/s
Max. random 4K read
890000 IOPS
Max. random 4K write
290000 IOPS
Item number
48990798

General information

Manufacturer
WD
Category
SSD
Manufacturer no.
0TS2508
Release date
27.3.2025

Data storage properties

Form factor
2.5"
Storage capacity
61440 GB
Interface
PCIe
Interface version
PCIe 4.0
Protocol
NVMe
Read transfer speed
4300 MB/s
Write transfer speed
3150 MB/s
Memory type (NAND)
TLC
Max. random 4K read
890000 IOPS
Max. random 4K write
290000 IOPS
Storage Cooling
without heatsink
Scope of application
Enterprise
MTBF
2500000 h

Origin

Country of origin
Taiwan

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 x SSD

Product dimensions

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

30-day right of return
24 Months Warranty (Bring-in)

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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
  • 12.Kingston
    0.8 %
  • 12.PNY
    0.8 %
  • 12.WD
    0.8 %
  • 16.Adata
    0.9 %
  • 16.HPE
    0.9 %

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
  • 13.Corsair
    3 days
  • 13.Kingston
    3 days
  • 13.WD
    3 days
  • 16.Samsung
    4 days
  • 17.Seagate
    7 days

Return rate

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

Source: Digitec Galaxus
  • 16.Teamgroup
    2.3 %
  • 16.Verbatim
    2.3 %
  • 16.WD
    2.3 %
  • 19.Crucial
    2.4 %
  • 20.Team Group
    2.5 %
Source: Digitec Galaxus