New Sealed Western Digital Ultrastar DC SN640 7.68TB, 2.5”, NVME Internal SSD. 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 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 1.3c controller and incorporates enterprise reliability features, such as power-loss protection, end-to-end data path protection. Western Digital NVMe 1.3c compliant controller, PCIe Gen3.1×4. Western Digital BiCS4 96L 3D TLC NAND. 0.8 and 2 DW/D. Enterprise features including variable sector sizes, end-to-end data path protection, and Power Loss Protection. Optimized for performance and latency consistency on mixed-used workloads. 6x read performance improvement over SATA SSDs. Vertically integrated with proven controller architecture accelerates qualification. Specialized for the Following Applications. Boot, cache, or storage. File, Block and Object Storage applications. We offer a 30 day satisfaction guarantee unless otherwise stated in the listing. If a problem occurs, we are happy to help you.