Western Digital Ultrastar DC SN640 WUS4BB076D7P3Ez 7.68 TB Solid State Drive – 2.5″ Internal – U.2 (SFF-8639) NVMe (PCI Express NVMe 3.1 x4) – Mixed Use

Server, Storage System Device Supported – 0.8 DWPD – 11479.04 TB TBW – 3250 MB/s Maximum Read Transfer Rate – 5 Year Warranty

Brand Name	Western Digital
Device Supported	Storage System
Drive Interface	U.2 (SFF-8639) NVMe
Drive Interface Standard	PCI Express NVMe 3.1 x4
Drive Type	Internal
Endurance (DWPD)	0.8
Endurance (TBW)	11479.04 TB
Endurance Type	Mixed Use
Form Factor	2.5"
Height	0.3"
Length	4"
Limited Warranty	5 Year
Manufacturer	Western Digital Corporation
Manufacturer Part Number	0TS1852
Manufacturer Website Address	http://www.wdc.com
Marketing Information	The Dynamic Data Center Environment The Ultrastar DC SN640 NVMe SSD is a mainstream NVMe™ SSD targeting broad deployment as boot, caching, or primary storage in data center IT and cloud environments. Mainstream NVMe™ SSD for Data Center IT and Cloud Deployment The Ultrastar DC SN640 NVMe SSD is a mainstream NVMe™ SSD targeting broad deployment as boot, caching, or primary storage in data center IT and cloud environments. The DC SN640 is optimized to deliver the highest performance and consistent QoS read latency when running random mixed workloads typically generated by enterprise applications such as virtualization, OLTP, NoSQL, web servers, file servers, and mail servers. The DC SN640 NVMe SSD is ideal for replacing SATA SSDs by delivering 6x improvement in sequential read performance and 3x improvement random mixed read/write performance. The DC SN640 boosts data center performance and responsiveness as direct attached, distributed storage or in large scale cloud deployments. The DC SN640 includes Western Digital's 96-Layer BiCS4 3D TLC NAND and Western Digital's NVMe 1.3 controller and incorporates enterprise reliability features, such as power-loss protection, end-to-end data path protection, and a five-year limited warranty. Designed for Workload Flexibility The Ultrastar DC SN640 is available in two endurance classes: 0.8 DW/D (capacities from 960GB-7.68TB) and 2 DW/D (capacities 800GB-6.4TB). The 0.8 DW/D SKU features tunable endurance, giving customers the flexibility to configure endurance and performance for seasonal burst workloads.
Maximum Read Transfer Rate	3250 MB/s
Maximum Write Transfer Rate	1980 MB/s
Operating System Compatibility	Windows Server
Platform Supported	PC
Product Family	Ultrastar DC SN640
Product Line	Ultrastar
Product Model	WUS4BB076D7P3Ez
Product Name	Ultrastar DC SN640 WUS4BB076D7P3Ez Solid State Drive (TCG Ruby)
Product Series	DC SN640
Product Type	Solid State Drive
Random 4KB Read	469000IOPS
Random 4KB Write	85000IOPS
Storage Capacity	7.68 TB
Weight (Approximate)	3.35 oz
Width	2.8"
Wireless LAN	No

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