WD Ultrastar SN640 6,4TB, WUS4CB064D7P3E3

Ultrastar® SN640 NVMe™ Data Center SSD Features Western Digital NVMe 1.3 compliant controller; PCIe Gen3x4 Western Digital BiCS4 96L 3D TLC NAND 0.8 and 2.0 DWPD Full data-loss protection MTBF rating of 2 million hours Instant Secure Erase (ISE) and AES-256 encryption 5-year limited warranty Applications Cloud and hyperscale storage Software Defined Storage File, Block and Object Storage applications Direct-attached Storage (DAS) Hyper-converged Infrastructure Virtualization TECHNICAL SPECIFICATIONS GENERAL Endurance 2DW/D Capacity 6400GB Model Number WUS4CB064D7P3E3 PN 0TS1955 Security ISE Form Factor U.2 Interface PCIe Gen 3.1 x4 NVMe Specification (Complaint) 1,3 PERFORMANCE Read Throughput (max MiB/s, Seq 128KiB) 3100 Write Throughput (max MiB/s, Seq 128KiB) 1800 Read IOPS (max, Rnd 4KiB) 469,000 Write IOPS (max, Rnd 4KiB) 116,000 Mixed IOPS (70/30 R/W, max, 4KiB) 304,000 Latency (µs, 4KiB Random Read QD1, 99%) 225 Maximum Petabytes Written 23,36 RELIABILITY Unrecoverable Bit Error Rate (UBER) 1 in 1017 MTBF (M hours) 2 Annualized Failure Rate (AFR) 0.44% Limited Warranty 5 years POWER Requirement (+/- 10%) +12 V Operating (W, typical) 10,11,12 Idle (W, average) 4.89 PHYSICAL SIZE Z-Height (mm) 7.00 +0.2/-0.5 (including labels) Dimensions (width x length, mm) 69.85 (+/- 0.25) x 100.45 Weight (g, max) 95 ENVIRONMENTAL Operating Temperature 0° to 70° C Non-operating Temperature -40° to 85° C .