WD DC SN655 SFF15 30.72TB PCIE DP BICS5 SE

30720 GB, 2.5"
CHF845.02/1TB
Currently out of stock
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Memory Size2

Product details

The WD Ultrastar DC SN655 offers a storage solution for data center applications with a capacity of 30.72 TB. This internal solid-state drive utilizes the U.3 PCIe 4.0 NVMe interface and delivers an internal data rate of 6,100 MB/s, ensuring efficient data processing. It is designed for reliability and features Power Loss Protection, end-to-end data path protection, and a secure erase function to safeguard data integrity. This drive is built for harsh environments, with an operating temperature range of 0 °C to 70 °C and a maximum storage temperature of up to 85 °C, making it suitable for demanding applications in data centers and enterprise settings.

With Western Digital's BiCS5 3D TLC NAND technology, the WD Ultrastar DC SN655 achieves performance of up to 1,052,000 IOPS for random 4KB read operations and 66,000 IOPS for random 4KB write operations. The drive is designed for longevity with an MTBF (Mean Time Between Failures) of 2,500,000 hours, ensuring reliability in continuous operation. This SSD is ideal for businesses seeking efficient high-capacity storage solutions, meeting the critical requirements of modern data centers while maintaining energy efficiency within specified consumption values.

Key specifications

Interface
PCIe
Interface version
PCIe 4.0
Protocol
NVMe
Read transfer speed
6100 MB/s
Write transfer speed
3400 MB/s
Max. random 4K read
10520000 IOPS
Max. random 4K write
660000 IOPS

General information

Item number
48990795
Manufacturer
WD
Category
SSD
Manufacturer no.
0TS2507
Release date
27.3.2025

Data storage properties

Form factor
2.5"
Storage capacity
30720 GB
Interface
PCIe
Interface version
PCIe 4.0
Protocol
NVMe
Read transfer speed
6100 MB/s
Write transfer speed
3400 MB/s
Memory type (NAND)
TLC
Max. random 4K read
10520000 IOPS
Max. random 4K write
660000 IOPS
Scope of application
Enterprise
SSD Features
AES encryption
MTBF
2500000 h

Origin

Country of origin
Taiwan

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
95.84 kg
Climate contribution
CHF 2.28

Scope of delivery

Scope of delivery
1 piece

Product dimensions

Length
10.03 cm
Width
6.98 cm
Height
1.50 cm
Weight
148 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.Crucial
    0.7 %
  • 12.Dell
    0.7 %
  • 12.WD
    0.7 %
  • 15.Intel
    0.8 %
  • 15.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
  • 9.Kingston
    1.9 %
  • 9.Samsung
    1.9 %
  • 11.WD
    2.2 %
  • 12.Raspberry Pi
    2.3 %
  • 13.SANDISK
    2.4 %
Source: Digitec Galaxus