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
Endurance0.8DW/D
Capacity7680GB
Model NumberWUS4BB076D7P3E3
PN0TS1930
SecurityISE
Form FactorU.2
InterfacePCIe 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)467,000
Write IOPS (max, Rnd 4KiB)65,000
Mixed IOPS (70/30 R/W, max, 4KiB)187,000
Latency (µs, 4KiB Random Read QD1, 99%)225
Maximum Petabytes Written11,21
RELIABILITY
Unrecoverable Bit Error Rate (UBER)1 in 1017
MTBF (M hours)2
Annualized Failure Rate (AFR)0.44%
Limited Warranty5 years
POWER
Requirement (+/- 10%)+12 V
Operating (W, typical)10,11,12
Idle (W, average)4.95
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 Temperature0° to 70° C
Non-operating Temperature-40° to 85° C

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Dysk SSD Western Digital Ultrastar DC SN640 WUS4CB080D7P3E3 (7.68 TB, U.2, PCIe NVMe 3.0 x4)

Disc Type:SSD; Harddisk capacity (in GB):7 680; Interface:SSD; Format:2.5"

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