{"product_id":"western-digital-ultrastar-dc-ha340-3-5-inch-4tb-sata-internal-hard-drive-0b47076-403388","title":"Western Digital Ultrastar DC HA340 3.5-inch 4TB SATA Internal Hard Drive 0B47076","description":"\u003ch2\u003eWestern Digital Ultrastar DC HA340 3.5-inch 4TB SATA Internal Hard Drive 0B47076\u003c\/h2\u003e\n\n\u003cp\u003eThe Western Digital Ultrastar DC HA340 0B47076 is a 4TB enterprise-class 3.5-inch hard drive designed for data centres, servers and demanding storage systems. Combining a 7200 RPM spindle speed, SATA 6 Gb\/s interface, 256MB cache and Conventional Magnetic Recording, it delivers up to 267 MB\/s sustained transfer performance while supporting workloads of up to 550TB per year and continuous 24\/7 operation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e4TB enterprise storage:\u003c\/strong\u003e Provides 4TB of capacity for servers, storage arrays and other data-intensive business applications.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e7200 RPM performance:\u003c\/strong\u003e Combines a 7200 RPM spindle speed with a 256MB data buffer for responsive enterprise storage workloads.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eUp to 267 MB\/s transfer rate:\u003c\/strong\u003e Delivers high sustained sequential performance through a SATA 6 Gb\/s interface.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eCMR recording technology:\u003c\/strong\u003e Uses Conventional Magnetic Recording for predictable performance across demanding storage workloads.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e550TB\/year workload rating:\u003c\/strong\u003e Performance-optimised for heavy data-centre application workloads significantly beyond typical desktop HDD usage.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e2 million-hour MTBF:\u003c\/strong\u003e Designed for demanding enterprise environments with a projected 2.0 million-hour mean time between failures.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e24\/7 operation:\u003c\/strong\u003e Engineered for continuous round-the-clock deployment in compatible data-centre and enterprise storage systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cimg src=\"https:\/\/www.lockstok.com\/\/ProductImages\/Western%20Digital\/C7DA3FE7-6853-4DC4-97F3-83C285FAA3FA_425023.jpg?1787293517601\"\u003e\u003c\/h3\u003e\n\n\u003ch3\u003eDesigned for Data Centre Workloads\u003c\/h3\u003e\n\n\u003cp\u003eThe Ultrastar DC HA340 is designed for data-intensive applications that require dependable capacity and sustained performance. Western Digital rates the drive for workloads of up to 550TB per year, making it suitable for compatible servers, storage systems, cloud infrastructure and traditional enterprise IT environments.\u003c\/p\u003e\n\n\u003ch3\u003eEnterprise Performance\u003c\/h3\u003e\n\n\u003cp\u003eThe 0B47076 combines a 7200 RPM spindle speed with a 256MB data buffer and SATA 6 Gb\/s interface. The 4TB model provides a maximum sustained transfer rate of up to 267 MB\/s, along with specified random performance of 154 read IOPS and 425 write IOPS under Western Digital's test conditions.\u003c\/p\u003e\n\n\u003ch3\u003eReliability for Continuous Operation\u003c\/h3\u003e\n\n\u003cp\u003eDesigned for 24\/7 availability, the Ultrastar DC HA340 has a projected MTBF rating of 2 million hours and a projected annualised failure rate of 0.44%. Rotational Vibration Safeguard technology uses dual sensors to anticipate and compensate for vibration, helping maintain performance when the drive operates in vibration-prone multi-drive environments.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ctable width=\"100%\"\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr bgcolor=\"#444444\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-444444, #33373a);\"\u003e\n\t\t\t\u003cth width=\"38%\"\u003e\u003cfont color=\"#ffffff\" data-darkreader-inline-color=\"\" style=\"--darkreader-inline-color: var(--darkreader-text-ffffff, #e8e6e3);\"\u003eSpecification\u003c\/font\u003e\u003c\/th\u003e\n\t\t\t\u003cth\u003e\u003cfont color=\"#ffffff\" data-darkreader-inline-color=\"\" style=\"--darkreader-inline-color: var(--darkreader-text-ffffff, #e8e6e3);\"\u003eDetails\u003c\/font\u003e\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eBrand\u003c\/td\u003e\n\t\t\t\u003ctd\u003eWestern Digital\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eProduct Family\u003c\/td\u003e\n\t\t\t\u003ctd\u003eUltrastar\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eSeries\u003c\/td\u003e\n\t\t\t\u003ctd\u003eDC HA340\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\t\t\t\u003ctd\u003e0B47076\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eModel Number\u003c\/td\u003e\n\t\t\t\u003ctd\u003eWUS721204BLE6L4\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eProduct Type\u003c\/td\u003e\n\t\t\t\u003ctd\u003eData centre internal hard disk drive\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eStorage Capacity\u003c\/td\u003e\n\t\t\t\u003ctd\u003e4TB\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eForm Factor\u003c\/td\u003e\n\t\t\t\u003ctd\u003e3.5 inch\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eInterface\u003c\/td\u003e\n\t\t\t\u003ctd\u003eSATA 6 Gb\/s\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eSector Format\u003c\/td\u003e\n\t\t\t\u003ctd\u003e512e\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eRecording Technology\u003c\/td\u003e\n\t\t\t\u003ctd\u003eConventional Magnetic Recording (CMR)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eSpindle Speed\u003c\/td\u003e\n\t\t\t\u003ctd\u003e7200 RPM\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eData Buffer\u003c\/td\u003e\n\t\t\t\u003ctd\u003e256MB\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eAverage Latency\u003c\/td\u003e\n\t\t\t\u003ctd\u003e4.16 ms\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eMaximum Interface Transfer Rate\u003c\/td\u003e\n\t\t\t\u003ctd\u003e6 Gb\/s\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eMaximum Sustained Transfer Rate\u003c\/td\u003e\n\t\t\t\u003ctd\u003e267 MB\/s (255 MiB\/s)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eRandom Read Performance\u003c\/td\u003e\n\t\t\t\u003ctd\u003e154 IOPS (4K, QD16)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eRandom Write Performance\u003c\/td\u003e\n\t\t\t\u003ctd\u003e425 IOPS (4K, QD16)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eWorkload Rate Limit\u003c\/td\u003e\n\t\t\t\u003ctd\u003eUp to 550TB per year\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eAvailability\u003c\/td\u003e\n\t\t\t\u003ctd\u003e24 hours\/day, 7 days\/week\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eMTBF\u003c\/td\u003e\n\t\t\t\u003ctd\u003e2,000,000 hours, projected\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eAnnualised Failure Rate\u003c\/td\u003e\n\t\t\t\u003ctd\u003e0.44%, projected\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eLoad \/ Unload Cycles\u003c\/td\u003e\n\t\t\t\u003ctd\u003e600,000 at 40°C\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eNon-Recoverable Error Rate\u003c\/td\u003e\n\t\t\t\u003ctd\u003e1 in 10\u003csup\u003e15\u003c\/sup\u003e bits read\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eRotational Vibration Protection\u003c\/td\u003e\n\t\t\t\u003ctd\u003eRotational Vibration Safeguard (RVS) with dual sensors\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\t\t\t\u003ctd\u003e+5 VDC \/ +12 VDC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eTypical Operating Power\u003c\/td\u003e\n\t\t\t\u003ctd\u003e7.0 W\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eIdle Power\u003c\/td\u003e\n\t\t\t\u003ctd\u003e5.8 W\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\t\t\t\u003ctd\u003e5°C to 60°C\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eNon-Operating Temperature\u003c\/td\u003e\n\t\t\t\u003ctd\u003e-40°C to 70°C\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\t\t\t\u003ctd\u003e70 G, 2 ms\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eNon-Operating Shock\u003c\/td\u003e\n\t\t\t\u003ctd\u003e300 G, 2 ms\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eOperating Vibration\u003c\/td\u003e\n\t\t\t\u003ctd\u003e0.67 G RMS, 5 to 500 Hz\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eNon-Operating Vibration\u003c\/td\u003e\n\t\t\t\u003ctd\u003e1.04 G RMS, 2 to 200 Hz\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\t\t\t\u003ctd\u003e146.99 × 101.6 × 26.11 mm\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eWeight\u003c\/td\u003e\n\t\t\t\u003ctd\u003eApprox. 0.72 kg\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr bgcolor=\"#f2f2f2\" data-darkreader-inline-bgcolor=\"\" style=\"--darkreader-inline-bgcolor: var(--darkreader-background-f2f2f2, #1f2223);\"\u003e\n\t\t\t\u003ctd\u003eCompatible Operating Systems\u003c\/td\u003e\n\t\t\t\u003ctd\u003eWindows, Windows Server and Linux\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eManufacturer Warranty\u003c\/td\u003e\n\t\t\t\u003ctd\u003e5-year limited warranty\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat’s in the Box:\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e1 × Western Digital Ultrastar DC HA340 4TB Data Centre HDD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEquip a compatible server or storage system with 4TB of enterprise-class CMR storage engineered for 24\/7 workloads, and add the Western Digital Ultrastar DC HA340 0B47076 to your cart today.\u003c\/p\u003e\n","brand":"FirstShop","offers":[{"title":"Default Title","offer_id":53367211458927,"sku":"0B47076","price":7199.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0457\/5893\/9300\/files\/0b47076-internal-hard-drives-1255391668.jpg?v=1787301827","url":"https:\/\/www.firstshop.co.za\/products\/western-digital-ultrastar-dc-ha340-3-5-inch-4tb-sata-internal-hard-drive-0b47076-403388","provider":"FirstShop","version":"1.0","type":"link"}