WD Ultrastar DC SN655 SSD U.3 7.68TB PCIE TLC BICS5 TCG
7680 GB, 2.5"Product details
The WD Ultrastar DC SN655 is designed to meet the stringent demands of data centers. It offers a robust capacity of 7.68 TB, complemented by an internal data rate of 6800 MBps. It operates within a temperature range of 0°C to 70°C, ensuring reliable performance even in heavily utilized environments. With features such as end-to-end data path protection and power loss protection, this solid-state drive is designed to safeguard critical data from potential threats and interruptions. The dual-port functionality expands connectivity options, while the variable sector size management optimizes storage efficiency. Equipped with Western Digital's BiCS5 3D TLC NAND technology, it efficiently handles high workloads while maintaining low power consumption.
Interface | PCIe |
Interface version | PCIe 4.0 |
Protocol | NVMe |
Read transfer speed | 6800 MB/s |
Write transfer speed | 2000 MB/s |
Max. random 4K read | 980000 IOPS |
Max. random 4K write | 80000 IOPS |
Item number | 55140655 |
Manufacturer | WD |
Category | SSD |
Manufacturer no. | 0TS2468 |
Release date | 4.3.2025 |
Form factor | 2.5" |
Storage capacity | 7680 GB |
Interface | PCIe |
Interface version | PCIe 4.0 |
Protocol | NVMe |
Read transfer speed | 6800 MB/s |
Write transfer speed | 2000 MB/s |
Memory type (NAND) | TLC |
Max. random 4K read | 980000 IOPS |
Max. random 4K write | 80000 IOPS |
Scope of application | Enterprise |
MTBF | 2500000 h |
Country of origin | China, Singapore, Taiwan |
Manufacturer commitment | SBTi |
CO₂ emissions | 95.84 kg |
Climate contribution | CHF 2.28 |
Scope of delivery | SSD |
Length | 10.05 cm |
Width | 6.98 cm |
Height | 1.49 cm |
Weight | 147.30 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- 6.Patriot0.6 %
- 13.Crucial0.7 %
- 13.WD0.7 %
- 15.Intel0.8 %
- 15.PNY0.8 %
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.Kioxia2 days
- 9.Silicon Power2 days
- 9.WD2 days
- 14.Lexar3 days
- 14.Samsung3 days
Return rate
How often is a product of this brand in the «SSD» category returned?
Source: Digitec Galaxus- 8.Kingston1.9 %
- 8.Samsung1.9 %
- 11.WD2.2 %
- 12.Raspberry Pi2.3 %
- 13.SANDISK2.4 %