{"product_id":"wd-purple-4tb-surveillance-hdd-3-5-sata-128mb-cache-175mb-s-transfer-rate-cmr-recording-allframe-technology-24-7-nvr-dvr-optimized","title":"WD Purple 4TB Surveillance HDD – 3.5\" SATA, 128MB Cache, 175MB\/s Transfer Rate, CMR Recording, AllFrame Technology, 24\/7 NVR\/DVR Optimized","description":"\u003cdiv id=\"ProductDescriptionSystem_Bx7ALQdc\" class=\"tb_wt tb_wt_product_description_system display-block tb_system_product_description\"\u003e\u003cdiv class=\"panel-body tb_product_description tb_text_wrap\"\u003e\n\u003cp\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003eThe \u003cstrong\u003eWD Purple 4TB Surveillance HDD (WD44PURZ)\u003c\/strong\u003e is purpose‑built for \u003cstrong\u003e24\/7 video surveillance systems\u003c\/strong\u003e, engineered to handle the demands of continuous recording and playback. With \u003cstrong\u003eCMR recording technology\u003c\/strong\u003e, \u003cstrong\u003e128MB cache\u003c\/strong\u003e, and \u003cstrong\u003eup to 175MB\/s transfer rate\u003c\/strong\u003e, it ensures smooth video capture and reliable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003eExclusive \u003cstrong\u003eAllFrame™ firmware\u003c\/strong\u003e reduces frame loss and enhances video quality, supporting up to \u003cstrong\u003e64 HD cameras\u003c\/strong\u003e and \u003cstrong\u003emulti‑stream recording\u003c\/strong\u003e. With a \u003cstrong\u003eworkload rating of 180TB\/year\u003c\/strong\u003e, \u003cstrong\u003eMTBF up to 1 million hours\u003c\/strong\u003e, and tarnish‑resistant components, it’s optimized for \u003cstrong\u003eDVR\/NVR environments with up to 16 drive bays\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003eCompact and durable, the drive measures \u003cstrong\u003e5.79\" × 4\" × 1.03\"\u003c\/strong\u003e, weighs \u003cstrong\u003e1.21lbs\u003c\/strong\u003e, and operates reliably between \u003cstrong\u003e0°C–65°C\u003c\/strong\u003e. Backed by a \u003cstrong\u003e3‑year limited warranty\u003c\/strong\u003e, WD Purple delivers trusted surveillance‑class storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cspan role=\"button\" tabindex=\"0\" data-url=\"ca:\/\/s?q=Explain_4TB_storage_capacity\"\u003e4TB Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Ample space for surveillance video archives.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cspan role=\"button\" tabindex=\"0\" data-url=\"ca:\/\/s?q=Explain_CMR_recording_in_HDDs\"\u003eCMR Recording Technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Reliable write performance for continuous recording.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cspan role=\"button\" tabindex=\"0\" data-url=\"ca:\/\/s?q=Explain_WD_AllFrame_technology\"\u003eAllFrame Technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Reduces frame loss, improves playback.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cspan role=\"button\" tabindex=\"0\" data-url=\"ca:\/\/s?q=Explain_HDD_workload_rating\"\u003e180TB\/year Workload Rating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Endurance for 24\/7 operation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cspan role=\"button\" tabindex=\"0\" data-url=\"ca:\/\/s?q=Explain_HDD_support_for_surveillance_cameras\"\u003eSupports up to 64 Cameras\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Multi‑stream recording capability.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cspan role=\"button\" tabindex=\"0\" data-url=\"ca:\/\/s?q=Explain_MTBF_in_HDDs\"\u003eMTBF 1M Hours\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Long‑term reliability in harsh environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cspan role=\"button\" tabindex=\"0\" data-url=\"ca:\/\/s?q=Explain_WD_drive_warranty\"\u003e3‑Year Warranty\u003c\/span\u003e\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Manufacturer support for peace of mind.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/strong\u003e\u003cdiv\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv tabindex=\"0\" role=\"group\" aria-label=\"Scrollable table\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth scope=\"col\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel Number\u003c\/th\u003e\n\u003ctd\u003eWD44PURZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e4TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eForm Factor\u003c\/th\u003e\n\u003ctd\u003e3.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eSATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTransfer Rate\u003c\/th\u003e\n\u003ctd\u003eUp to 175MB\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCache\u003c\/th\u003e\n\u003ctd\u003e128MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRecording Technology\u003c\/th\u003e\n\u003ctd\u003eCMR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWorkload Rating\u003c\/th\u003e\n\u003ctd\u003e180TB\/year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMTBF\u003c\/th\u003e\n\u003ctd\u003e1 million hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e5.79\" × 4\" × 1.03\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.21lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003e0°C – 65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eNon‑Operating Temp\u003c\/th\u003e\n\u003ctd\u003e–40°C – 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCompatibility\u003c\/th\u003e\n\u003ctd\u003eUp to 64 HD cameras, up to 16 drive bays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e3‑Year Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2\u003eWhy It’s Ideal for CompuMe.jo Customers\u003c\/h2\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003eSecurity integrators in Amman\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Optimized for DVR\/NVR systems with multiple HD cameras.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003eBusiness owners\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Reliable 24\/7 surveillance storage with high endurance.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003eSystem builders\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: Wide compatibility with enclosures and chipsets.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"white-space: pre-wrap;\"\u003eLong‑term users\u003c\/strong\u003e\u003cspan style=\"white-space: pre-wrap;\"\u003e: MTBF of 1M hours and 3‑year warranty ensure dependable operation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cscript 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