Western Digital Ultrastar DC SN655 7.87 TB U.3 PCI Express 4.0 NVMe TLC 3D NAND

SKU
0TS2459
£4,285.49
In stock
7.68TB, U.3 15 mm, Security SE, NVMe SSD
  • Power loss protection, end-to-end data path protection, variable sector sizes, and more
  • Western Digital NVMe 1.4 Compliant Controller and PCle® 4.0
  • Western Digital BiCS5 3D TLC NAND
More Information
SSD form factor U.3
Hardware encryption Yes
Memory type TLC 3D NAND
SSD capacity 7868 GB
EAN 0619659202354
Manufacturer Western Digital
Availability Y
Product Family Ultrastar
Your Rating
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 and are reducing time-to-insights of big data and enabling efficient machine learning.

Features
Ultrastar DC SN655 NVMe SSDs includes 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 and 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.
Hard drive
SSD capacity7.87 TB
Memory typeTLC 3D NAND
Performance
Server operating systems supportedYes
Windows operating systems supportedYes
Linux operating systems supportedYes
InterfacePCI Express 4.0
Component forServer/workstation
NVMeYes
NVMe version1.4
SSD capacity7.87 TB
Read speed6800 MB/s
Write speed2600 MB/s
Memory typeTLC 3D NAND
Uncorrectable Bit Error Rate (UBER)< 1 per 10^15 bits read
Random write (4KB)80000 IOPS
Random read (4KB)980000 IOPS
Mean time between failures (MTBF)2500000 h
Hardware encryptionYes
Data transmission
Read speed6800 MB/s
Write speed2600 MB/s
Random write (4KB)80000 IOPS
Random read (4KB)980000 IOPS
Endurance
Uncorrectable Bit Error Rate (UBER)< 1 per 10^15 bits read
Mean time between failures (MTBF)2500000 h
Features
InterfacePCI Express 4.0
Component forServer/workstation
Server operating systems supportedYes
NVMeYes
NVMe version1.4
SSD capacity7.87 TB
Windows operating systems supportedYes
Read speed6800 MB/s
Write speed2600 MB/s
Linux operating systems supportedYes
Memory typeTLC 3D NAND
Uncorrectable Bit Error Rate (UBER)< 1 per 10^15 bits read
Random write (4KB)80000 IOPS
Random read (4KB)980000 IOPS
Mean time between failures (MTBF)2500000 h
Hardware encryptionYes
SSD form factorU.3
Design
Component forServer/workstation
SSD form factorU.3
Weight & dimensions
Width69.8 mm
Weight147.3 g
Height14.9 mm
Depth100.3 mm
System requirements
Server operating systems supportedYes
Windows operating systems supportedYes
Linux operating systems supportedYes
Operational conditions
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-40 - 85 °C
Technical details
InterfacePCI Express 4.0
Operating temperature (T-T)0 - 70 °C
Storage temperature (T-T)-40 - 85 °C
Hardware encryptionYes
SSD form factorU.3
Warranty period5 year(s)
Software
Windows operating systems supportedYes
Linux operating systems supportedYes
Other features
Warranty period5 year(s)
Uncorrectable Bit Error Rate (UBER)< 1 per 10^15 bits read

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SKU
0TS2459
MZQL27T6HBLA-00A07
MZ7L37T6HBLA-00A07
MZWLR15THALA-00007
MZQL215THBLA-00A07
MZILG7T6HBLA-00A07
Manufacturer
Western Digital
Samsung
Samsung
Samsung
Samsung
Samsung
Memory type
TLC 3D NAND
MLC
V-NAND TLC
V-NAND
V-NAND TLC
V-NAND
SSD form factor
U.3
U.2
2.5"
2.5"
2.5"
2.5"
Interface
PCI Express 4.0
PCI Express 4.0
Serial ATA III
PCI Express 4.0
PCI Express 4.0
SAS
Component for
Server/workstation
Server/workstation
Server/workstation
Server/workstation
Server/workstation
Server/workstation