Western Digital Ultrastar DC SN655 15.4 TB U.3 PCI Express 4.0 NVMe 3D TLC NAND

Western Digital Ultrastar DC SN655, 15.4 TB, U.3, 6800 MB/s

Description

Western Digital Ultrastar DC SN655. SSD capacity: 15.4 TB, SSD form factor: U.3, Read speed: 6800 MB/s, Write speed: 3700 MB/s, Component for: Server/workstation

Specifications

Hard drive
SSD capacity	15.4 TB
Memory type	3D TLC NAND
Performance
Windows operating systems supported	Yes
Linux operating systems supported	Yes
Interface	PCI Express 4.0
Component for	Server/workstation
NVMe	Yes
NVMe version	1.4b
SSD capacity	15.4 TB
Read speed	6800 MB/s
Write speed	3700 MB/s
Memory type	3D TLC NAND
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read
Random write (4KB)	125000 IOPS
Random read (4KB)	1100000 IOPS
Mean time between failures (MTBF)	2500000 h
Write latency	15 µs
Read latency	100 µs
Data transmission
Read speed	6800 MB/s
Write speed	3700 MB/s
Random write (4KB)	125000 IOPS
Random read (4KB)	1100000 IOPS
Write latency	15 µs
Read latency	100 µs
Endurance
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read
Mean time between failures (MTBF)	2500000 h
Features
Interface	PCI Express 4.0
Component for	Server/workstation
NVMe	Yes
NVMe version	1.4b
SSD capacity	15.4 TB
Windows operating systems supported	Yes
Read speed	6800 MB/s
Write speed	3700 MB/s
Linux operating systems supported	Yes
Memory type	3D TLC NAND
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read
Random write (4KB)	125000 IOPS
Random read (4KB)	1100000 IOPS
Mean time between failures (MTBF)	2500000 h
Write latency	15 µs
Read latency	100 µs
SSD form factor	U.3
Power
Power consumption (idle)	8 W
Operating voltage	12 V
Design
Component for	Server/workstation
SSD form factor	U.3
Weight & dimensions
Width	69.8 mm
Weight	147.3 g
Height	15 mm
Depth	100.5 mm
System requirements
Windows operating systems supported	Yes
Linux operating systems supported	Yes
Operational conditions
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C
Technical details
Interface	PCI Express 4.0
Operating temperature (T-T)	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C
SSD form factor	U.3
Software
Windows operating systems supported	Yes
Linux operating systems supported	Yes
Other features
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^17 bits read