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

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