{"product_id":"western-digital-wd-hgst-3-84tb-nvme-u-2-pcie-gen-3-0-x4-ri-sff-2-5-ssd-ultrastar-dc-sn640-series-wus4bb038d7p3e3-for-lenovo-thinksystem-server-lenovo-thinksystem-tray-included","title":"Western Digital (WD \/ HGST) 3.84TB NVMe U.2 PCIe Gen 3.0 x4 RI SFF 2.5\" SSD Ultrastar DC SN640 Series WUS4BB038D7P3E3 for Lenovo ThinkSystem Server (Lenovo ThinkSystem Tray Included)","description":"\u003cp\u003e\u003c!--StartFragment--\u003e\u003cmeta content=\"text\/html; charset=us-ascii\" http-equiv=\"Content-Type\"\u003e\n\u003cstyle type=\"text\/css\"\u003ea {\n    text-decoration: none;\n    color: #464feb;\n}\ntr th, tr td {\n    border: 1px solid #e6e6e6;\n}\ntr th {\n    background-color: #f5f5f5;\n}\n\u003c\/style\u003e\n\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eWestern Digital (WD \/ HGST) 3.84TB NVMe U.2 PCIe Gen3 x4 RI SFF 2.5\" SSD Ultrastar DC SN640 WUS4BB038D7P3E3\u003c\/h2\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eLenovo ThinkSystem Compatible (Lenovo ThinkSystem Tray Included)\u003c\/h3\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThe \u003cstrong\u003eWestern Digital Ultrastar DC SN640 WUS4BB038D7P3E3\u003c\/strong\u003e is a high-performance enterprise NVMe solid state drive designed for cloud computing, virtualization, software-defined storage, enterprise databases, content delivery networks, and modern data center environments.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eFeaturing \u003cstrong\u003e3.84TB of enterprise storage capacity\u003c\/strong\u003e, the Ultrastar DC SN640 combines exceptional speed, reliability, and endurance in a compact 2.5-inch U.2 form factor. Built with advanced \u003cstrong\u003e96-Layer BiCS4 3D TLC NAND Flash\u003c\/strong\u003e and utilizing a \u003cstrong\u003ePCIe Gen 3.1 x4 NVMe 1.3 interface\u003c\/strong\u003e, this SSD delivers low-latency performance and consistent throughput for mission-critical workloads.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eWith sequential read speeds of up to \u003cstrong\u003e3,100 MB\/s\u003c\/strong\u003e, sequential write speeds of up to \u003cstrong\u003e1,800 MB\/s\u003c\/strong\u003e, and up to \u003cstrong\u003e434,000 random read IOPS\u003c\/strong\u003e, the SN640 is optimized for read-intensive applications requiring dependable enterprise-class performance.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eAdvanced enterprise features include \u003cstrong\u003ePower Loss Protection (PLP)\u003c\/strong\u003e, \u003cstrong\u003eEnd-to-End Data Path Protection\u003c\/strong\u003e, \u003cstrong\u003eHot-Swap Support\u003c\/strong\u003e, and \u003cstrong\u003eInstant Secure Erase (ISE)\u003c\/strong\u003e. With an endurance rating of \u003cstrong\u003e0.8 DWPD\u003c\/strong\u003e, \u003cstrong\u003e5,744 TBW\u003c\/strong\u003e, and a \u003cstrong\u003e2 million hour MTBF\u003c\/strong\u003e, this SSD is engineered for long-term reliability in demanding enterprise environments.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch2 style=\"text-align: justify;\"\u003eLenovo ThinkSystem Tray Compatibility\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThis drive includes a \u003cstrong\u003eLenovo ThinkSystem 2.5-inch U.2 NVMe Drive Tray\u003c\/strong\u003e, making it ready for installation in compatible Lenovo ThinkSystem servers with NVMe-enabled drive bays.\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eCompatible Lenovo ThinkSystem Servers\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR630\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR630 V2\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR630 V3\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR650\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR650 V2\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR650 V3\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR655\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SR665\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SD530\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SD630 V2\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem SD650 V2\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem ST650 V2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"text-align: justify;\"\u003eImportant Compatibility Notes\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eIncludes Lenovo ThinkSystem NVMe Drive Tray\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRequires a U.2 NVMe-compatible backplane or controller\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCompatible with Lenovo ThinkSystem NVMe drive bays\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHot-swappable in supported server configurations\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNot compatible with SATA-only backplanes\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNot compatible with SAS-only backplanes\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCompatibility depends on server backplane, controller, and drive bay configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2 style=\"text-align: justify;\"\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e3.84TB Enterprise NVMe SSD\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUltrastar DC SN640 Series\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003ePCIe Gen 3.1 x4 Interface\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNVMe 1.3 Protocol\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e2.5\" U.2 (SFF-8639) Form Factor\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRead Intensive (RI) Workload Optimized\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eWD BiCS4 96-Layer 3D TLC NAND\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUp to 3,100 MB\/s Sequential Read\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUp to 1,800 MB\/s Sequential Write\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eUp to 434,000 Random Read IOPS\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003ePower Loss Protection (PLP)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEnd-to-End Data Protection\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eInstant Secure Erase (ISE)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHot Plug \/ Hot Swap Support\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEnterprise-Class Reliability\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eLenovo ThinkSystem Drive Tray Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2 style=\"text-align: justify;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eManufacturer: Western Digital (WD) \/ HGST\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSeries: Ultrastar DC SN640\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eModel: WUS4BB038D7P3E3\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eProduct Type: Enterprise Read Intensive NVMe SSD\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCapacity: 3.84TB\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eForm Factor: 2.5\" U.2 (SFF-8639)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eDrive Height: 7mm\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eInterface: PCIe Gen 3.1 x4\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eProtocol: NVMe 1.3\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eNAND Flash: 96-Layer BiCS4 3D TLC NAND\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eWorkload Class: Read Intensive (RI)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSecurity Type: Instant Secure Erase (ISE)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHot Swappable: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2 style=\"text-align: justify;\"\u003ePerformance\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSequential Read Speed: Up to 3,100 MB\/s\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSequential Write Speed: Up to 1,800 MB\/s\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRandom Read (4K): Up to 434,000 IOPS\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRandom Write (4K): Up to 65,000 IOPS\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMixed Random Workload (70\/30): Up to 157,000 IOPS\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eInterface Transfer Rate: Up to 4 GB\/s\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2 style=\"text-align: justify;\"\u003eReliability \u0026amp; Endurance\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEndurance Rating: 0.8 DWPD\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eTotal Bytes Written (TBW): 5,744 TB\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eMTBF: 2 Million Hours\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003ePower Loss Protection (PLP)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEnd-to-End Data Path Protection\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHot Plug \/ Hot Swap Support\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eInstant Secure Erase (ISE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2 style=\"text-align: justify;\"\u003ePackage Includes\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e1x Western Digital Ultrastar DC SN640 3.84TB NVMe SSD\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eModel: WUS4BB038D7P3E3\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003e1x Lenovo ThinkSystem NVMe Drive Tray\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\u003ch2 style=\"text-align: justify;\"\u003eIdeal Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eCloud Computing\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eVirtualization Infrastructure\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eEnterprise Data Centers\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eSoftware Defined Storage\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eContent Delivery Networks (CDN)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eRead-Intensive Databases\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHyper-Converged Infrastructure (HCI)\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eServer Boot Volumes\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eHigh-Density Storage Arrays\u003c\/li\u003e\n\t\u003cli style=\"text-align: justify;\"\u003eWeb Hosting Platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003ePlease verify compatibility with your specific Lenovo ThinkSystem server, NVMe backplane, and storage configuration before purchasing.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Western Digital (WD)","offers":[{"title":"Default Title","offer_id":56139385307209,"sku":"WUS4BB038D7P3E3-LENOVO-KIT","price":645.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/3868\/3209\/files\/64724ef8-aef0-579e-8452-e9e796326f56.png?v=1790102000","url":"https:\/\/parts.theserverstore.com\/products\/western-digital-wd-hgst-3-84tb-nvme-u-2-pcie-gen-3-0-x4-ri-sff-2-5-ssd-ultrastar-dc-sn640-series-wus4bb038d7p3e3-for-lenovo-thinksystem-server-lenovo-thinksystem-tray-included","provider":"The Server Store Parts","version":"1.0","type":"link"}