{"product_id":"western-digital-wd-18tb-sas-12g-7-2k-rpm-lff-3-5-hdd-ultrastar-dc-hc550-series-wuh721818al5204","title":"Western Digital (WD ) 18TB SAS 12G 7.2K RPM LFF 3.5\" HDD Ultrastar DC HC550 Series WUH721818AL5204","description":"\u003ch2 data-pm-slice=\"1 3 []\" style=\"text-align: justify;\"\u003e\u003cstrong\u003eWestern Digital Ultrastar DC HC550 18TB SAS 12Gb\/s 7.2K RPM LFF 3.5\" Enterprise HDD WUH721818AL5204\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eThe Western Digital Ultrastar DC HC550 18TB Enterprise Hard Drive is a high-capacity storage solution designed for enterprise servers, data centers, and demanding storage environments. Built for 24\/7 operation, this drive provides 18TB of storage capacity, making it ideal for large-scale data storage, cloud infrastructure, enterprise applications, and backup systems.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003ePart of the Western Digital Ultrastar DC HC550 series, this 3.5-inch LFF hard drive features a 12Gb\/s SAS interface and a 7,200 RPM rotational speed, delivering reliable performance and high-capacity storage for enterprise workloads. Its SAS connectivity makes it suitable for compatible enterprise RAID controllers, server backplanes, and storage systems.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eDesigned for continuous operation in data center environments, the Ultrastar DC HC550 combines high storage density, enterprise-class reliability, and efficient performance for organizations requiring dependable large-capacity storage.\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cul data-spread=\"false\"\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Western Digital (WD)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eProduct Family:\u003c\/strong\u003e Ultrastar DC\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e HC550\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e WUH721818AL5204\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e WUH721818AL5204\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eStorage Capacity:\u003c\/strong\u003e 18TB\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eDrive Type:\u003c\/strong\u003e Enterprise Hard Disk Drive (HDD)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eInterface:\u003c\/strong\u003e SAS\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eInterface Speed:\u003c\/strong\u003e 12Gb\/s\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eRotational Speed:\u003c\/strong\u003e 7,200 RPM\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eForm Factor:\u003c\/strong\u003e 3.5-inch LFF\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eSector Format:\u003c\/strong\u003e 512e\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Enterprise Servers, Data Centers, Storage Arrays, and Backup Systems\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eOperating Environment:\u003c\/strong\u003e Enterprise 24\/7 Workloads\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eFeatures and Applications\u003c\/h2\u003e\n\n\u003cul data-spread=\"false\"\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e18TB high-capacity enterprise storage.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e12Gb\/s SAS interface for compatible enterprise storage systems.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e7,200 RPM rotational speed for dependable storage performance.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003e3.5-inch LFF form factor for compatible server and storage chassis.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eDesigned for continuous enterprise operation.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eSuitable for large-scale data storage, cloud infrastructure, virtualization, backup, and archival applications.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eCompatibility\u003c\/h2\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eDesigned for enterprise server and storage systems equipped with compatible 12Gb\/s SAS drive bays and controllers.\u003c\/p\u003e\n\n\u003cp style=\"text-align: justify;\"\u003eCompatible configurations may include:\u003c\/p\u003e\n\n\u003cul data-spread=\"false\"\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eDell PowerEdge servers and PowerVault storage systems\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eHPE ProLiant servers and storage systems\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eLenovo ThinkSystem servers and storage systems\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eIBM enterprise server and storage platforms\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eSupermicro servers and storage systems\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eNetApp storage systems\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Compatibility depends on the server or storage model, drive firmware, controller, backplane, sector format, and drive carrier requirements. Please verify compatibility before purchase.\u003c\/p\u003e\n\n\u003ch2 style=\"text-align: justify;\"\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul data-spread=\"false\"\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eThis is a 3.5-inch LFF SAS hard drive, not a SATA or NVMe drive.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eRequires a compatible SAS controller and backplane.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003eDrive carrier or tray is included only if shown in the product photos or specified in the listing.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp style=\"text-align: justify;\"\u003ePlease verify the required drive interface and form factor before ordering.\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Western Digital","offers":[{"title":"Default Title","offer_id":67870321672265,"sku":"WUH721818AL5204","price":569.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/3868\/3209\/files\/315cf306-6b6f-5218-8333-c39d6dd9f4ce.png?v=1794262421","url":"https:\/\/parts.theserverstore.com\/products\/western-digital-wd-18tb-sas-12g-7-2k-rpm-lff-3-5-hdd-ultrastar-dc-hc550-series-wuh721818al5204","provider":"The Server Store Parts","version":"1.0","type":"link"}