{"product_id":"western-digital-ultrastar-dc-sn655-computer-ssds-1","title":"WD Ultrastar DC SN655 7.68TB U.3 NVMe Enterprise SSD","description":"\u003ch2\u003eWD Ultrastar DC SN655 7.68TB U.3 NVMe Enterprise SSD\u003c\/h2\u003e\n\u003cp\u003eThe WD Ultrastar DC SN655 7.68TB NVMe SSD delivers up to 6800 MB\/s sequential read performance over a PCIe Gen4 interface in a U.3 15mm form factor. Built with SanDisk BiCS5 TLC 3D NAND and an NVMe 1.4b controller, it is engineered for read-intensive cloud and enterprise server workloads requiring high capacity and consistent throughput.\u003c\/p\u003e\n\u003cp\u003eIdeal for data centers, cloud service providers, AI and machine learning infrastructure, and big data analytics platforms, the SN655 supports both U.2 and U.3 backplanes with dual-port redundancy and failover capability. Its high-density 7.68TB capacity reduces rack footprint while sustaining demanding I\/O workloads across hyperscale and enterprise environments.\u003c\/p\u003e\n\u003cp\u003eWestern Digital backs the Ultrastar DC SN655 with a 5-year limited warranty and a 1.0 DWPD endurance rating, alongside a projected MTBF of 2.5 million hours. Enterprise-grade features include end-to-end data path protection, power loss protection, and variable sector size support, making this drive a reliable foundation for mission-critical storage deployments.\u003c\/p\u003e\n\u003ch3\u003eKey Features of the WD Ultrastar DC SN655 7.68TB\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh Sequential Read Performance:\u003c\/strong\u003e Up to 6800 MB\/s sequential read throughput over PCIe Gen4 for fast data access in read-intensive workloads.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBiCS5 TLC 3D NAND:\u003c\/strong\u003e SanDisk-developed 3D NAND technology provides high density, strong endurance, and improved power efficiency.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual-Port U.3 Form Factor:\u003c\/strong\u003e Supports U.2 and U.3 backplanes with dual-port redundancy and failover for high-availability deployments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEnterprise Endurance:\u003c\/strong\u003e 1.0 DWPD endurance rating with a 5-year limited warranty ensures long-term reliability in sustained write environments.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEnd-to-End Data Protection:\u003c\/strong\u003e Comprehensive data integrity protection across the full data path from host to NAND.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePower Loss Protection:\u003c\/strong\u003e Hardware-based power loss protection prevents data corruption during unexpected power events.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHigh IOPS Performance:\u003c\/strong\u003e Up to 1.1 million random IOPS for demanding enterprise I\/O workloads.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMultiple Security Options:\u003c\/strong\u003e Available in SE (Standard Edition), ISE (Inline Secure Erase), and TCG Ruby configurations for flexible data security compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 7.68 TB\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e 2.5 inch U.3 15mm\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e PCI Express NVMe 4.0 (NVMe 1.4b)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSequential Read:\u003c\/strong\u003e Up to 6800 MB\/s\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSequential Write:\u003c\/strong\u003e Up to 2000 MB\/s\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRandom Read IOPS:\u003c\/strong\u003e Up to 980,000 IOPS (4KB)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRandom Write IOPS:\u003c\/strong\u003e Up to 80,000 IOPS (4KB)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNAND Type:\u003c\/strong\u003e SanDisk BiCS5 TLC 3D NAND\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEndurance:\u003c\/strong\u003e 1.0 DWPD (Drive Writes Per Day)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMTBF:\u003c\/strong\u003e 2.5 million hours (projected)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBackplane Compatibility:\u003c\/strong\u003e U.2 and U.3\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSecurity:\u003c\/strong\u003e SE \/ ISE \/ TCG Ruby options\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 5 Year Limited\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Malaysia\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Western Digital","offers":[{"title":"Default Title","offer_id":46119593902277,"sku":"WD-0TS2459","price":10388.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/sandisk-sn655-nvme-ssd-left_2b3632f6-d2d7-4453-8493-255c748b0771.png?v=1776970862","url":"https:\/\/avlgear.com\/products\/western-digital-ultrastar-dc-sn655-computer-ssds-1","provider":"AVLGEAR","version":"1.0","type":"link"}