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Overview

Range/Series Overview


IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.

The WD Ultrastar DC SN655 is designed for data center environments, offering a capacity of 30.72 TB to meet demanding storage needs. With an internal data rate of up to 6100 MBps, this solid-state drive provides rapid data access and transfer speeds. Its dual port interface allows for improved data redundancy and availability, ensuring critical workloads are continually supported. Advanced features such as End-to-End Data Path Protection and Power Loss Protection (PLP) provide data integrity and reliability under stringent operating conditions.

Operating effectively from temperatures as low as 0°C to as high as 70°C, and withstanding storage temperatures ranging from -40°C to 85°C, this drive is built to endure extreme environments. The use of Western Digital BiCS5 3D TLC NAND technology ensures efficient performance while maintaining a non-recoverable error rate of only 1 per 10^17, making it a reliable choice for enterprise-level applications. The WD Ultrastar DC SN655 is engineered to meet the demands of data centers with a mean time between failures (MTBF) of 2,500,000 hours, providing stability for critical data storage needs.


Specification Summary

Product Description
WD Ultrastar DC SN655 WUS5EC0B1ESP7Y3 - SSD - Data Centre - 30.72 TB - U.3 PCIe 4.0 (NVMe)
Type
Solid state drive - internal
Capacity
30.72 TB
NAND Flash Memory Type
3D triple-level cell (TLC)
Form Factor
2.5"
Interface
U.3 PCIe 4.0 (NVMe)
Drive Class
Data Centre
Features
Power Loss Protection (PLP), End-to-end data path protection, Variable Sector Size Management, NVMe Management Interface (NVMe-MI) 1.1b, Western Digital BiCS5 3D TLC NAND, Dual Port, Instant Secure Erase (ISE), NVMe 1.4
Dimensions (WxDxH)
69.85 mm x 100.45 mm x 15 mm
Weight
147.3 g
Manufacturer Warranty
5-year warranty

Specifications

EAN / GTIN:
619659209889
General
Device Type
Solid state drive - internal
Capacity
30.72 TB
NAND Flash Memory Type
3D triple-level cell (TLC)
Form Factor
2.5"
Interface
U.3 PCIe 4.0 (NVMe)
Features
Power Loss Protection (PLP), End-to-end data path protection, Variable Sector Size Management, NVMe Management Interface (NVMe-MI) 1.1b, Western Digital BiCS5 3D TLC NAND, Dual Port, Instant Secure Erase (ISE), NVMe 1.4
Width
69.85 mm
Depth
100.45 mm
Height
15 mm
Weight
147.3 g
Performance
Drive Writes Per Day (DWPD)
1
Drive Class
Data Centre
Internal Data Rate
6100 MBps (read) / 3400 MBps (write)
4KB Random Read
1052000 IOPS
4KB Random Write
66000 IOPS
Reliability
MTBF
2,500,000 hours
Non-Recoverable Errors
1 per 10^17
Expansion & Connectivity
Interfaces
1 x U.3 PCIe 4.0 (NVMe)
Compatible Bay
2.5"
Power
Power Consumption
20 watt (typical) ¦ 8 watt (idle)
Software & System Requirements
OS Required
Linux, Microsoft Windows, Microsoft Windows Server
Manufacturer Warranty
Service & Support
Limited warranty - 5 years
Environmental Parameters
Min Operating Temperature
0 °C
Max Operating Temperature
70 °C
Min Storage Temperature
-40 °C
Max Storage Temperature
85 °C

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