{"product_id":"western-digital-4tb-purple-surveillance-3-5-hard-drive","title":"WD Purple 4TB 3.5\" Surveillance Hard Drive SATA 6Gb\/s 128MB 5400RPM - WD44PURZ","description":"\u003cp\u003eThe WD Purple 4TB is a 3.5\" internal hard drive built for continuous video surveillance operation. Designed for 24\/7 use in NVR and DVR systems, it supports multiple simultaneous camera streams and is optimised for the sustained write demands of always-on recording environments.\u003c\/p\u003e\n\n\u003cp\u003eUK-based seller\u003cbr\u003e\nTracked delivery across the UK\u003cbr\u003e\nGenuine product from trusted distributors\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 4TB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e 3.5\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SATA 6Gb\/s (Serial ATA III)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCache:\u003c\/strong\u003e 128MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotational Speed:\u003c\/strong\u003e 5400 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained Transfer Rate:\u003c\/strong\u003e 175 MB\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTBF:\u003c\/strong\u003e 1,000,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24\/7 Operation:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras Supported:\u003c\/strong\u003e Up to 64 HD cameras\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe WD Purple 4TB uses Western Digital's AllFrame technology to reduce frame loss and improve video playback reliability. Its low-power 5400RPM design keeps heat and noise to a minimum during continuous operation, and wide compatibility with leading NVR platforms makes it a straightforward choice for both home and professional CCTV installations. Supplied as OEM (drive only).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDelivery \u0026amp; Fulfilment\u003c\/strong\u003e\u003cbr\u003e\nThis product is sold by TechFinder UK, a UK-based sole trader business. All hardware is sourced through established distribution partners. Orders are dispatched within 1–2 business days with tracked delivery across the United Kingdom.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Buy from TechFinder UK?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUK-based sole trader — genuine products, real accountability\u003c\/li\u003e\n\u003cli\u003eSourced through established distribution partners\u003c\/li\u003e\n\u003cli\u003eSecure checkout with buyer protection\u003c\/li\u003e\n\u003cli\u003eTracked UK delivery, dispatched within 1–2 business days\u003c\/li\u003e\n\u003cli\u003ePre- and post-purchase support available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 4TB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e 3.5\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SATA 3.0 (6Gb\/s)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCache \/ Buffer:\u003c\/strong\u003e 128MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotational Speed:\u003c\/strong\u003e 5400 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained Transfer Rate:\u003c\/strong\u003e 175 MB\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTBF:\u003c\/strong\u003e 1,000,000 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24\/7 Operation:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCameras Supported:\u003c\/strong\u003e Up to 64 HD cameras\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0–65°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Operating Temperature:\u003c\/strong\u003e -40–70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 101.6mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 26.1mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 147mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Weight:\u003c\/strong\u003e 0.61kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 125 x 185 x 45mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 Years WD Manufacturer Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e Hard drive only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Identification\u003c\/strong\u003e\u003cbr\u003e\nModel: WD44PURZ\u003cbr\u003e\nUPC: 718037905778\u003c\/p\u003e","brand":"WD","offers":[{"title":"Default Title","offer_id":60280428921166,"sku":"127773","price":234.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/0310\/6126\/files\/127773_1.png?v=1785595953","url":"https:\/\/techfinderuk.com\/products\/western-digital-4tb-purple-surveillance-3-5-hard-drive","provider":"TechFinder UK","version":"1.0","type":"link"}