{"product_id":"wd43purz-wd-purple-4tb-surveillance-hard-drive-5400rpm-256mb-sata3","title":"Western Digital Purple 4TB Surveillance Hard Drive (5400 RPM, 256MB Cache, Up to 64 HD Cameras)","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003eWD43PURZ 4TB 3.5\" Surveillance Hard Drive\u003c\/b\u003e is a purpose-built internal mechanical storage drive manufactured by Western Digital under the dedicated WD Purple™ line. Engineered specifically to meet the demanding requirements of 24\/7 always-on high-definition surveillance environments, this drive delivers reliable video recording and long-term retention for professional NVR and DVR installations, preventing dropped frames and visual stuttering across multi-camera streams.\u003c\/p\u003e\n\u003cp\u003eFeaturing Western Digital's proprietary AllFrame™ technology, the WD43PURZ optimizes ATA video streaming commands to reduce pixelation and frame errors while supporting configurations with up to 64 single-stream high-definition (HD) cameras. Built on conventional magnetic recording (CMR) mechanics operating at an energy-efficient 5400 RPM class with an expanded 256MB cache buffer and a SATA 6.0 Gb\/s (SATA3) interface, it provides an annualized workload rating of 180 TB\/year—three times the endurance of standard desktop drives. It is ideal for commercial installations, multi-family residential complexes, and enterprise NVR chassis requiring continuous surveillance write endurance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e✅ Key Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSurveillance-Grade Engineering:\u003c\/b\u003e Purpose-built for 24\/7 continuous operation in high-definition video surveillance recording systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExclusive AllFrame™ Technology:\u003c\/b\u003e Improves ATA streaming to reduce frame drops, refine video playback, and optimize high-throughput multi-camera recording.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSupport for up to 64 HD Cameras:\u003c\/b\u003e Engineered to ingest video feeds from up to 64 single-stream high-definition cameras concurrently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWorkload Rating up to 180 TB\/Year:\u003c\/b\u003e Delivers up to 3× the workload capacity of standard desktop drives to handle continuous video write loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExpanded 256MB Cache:\u003c\/b\u003e Large multi-segmented cache buffer handles heavy data throughput and multiple simultaneous video streams with ease.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCMR (Conventional Magnetic Recording):\u003c\/b\u003e Leverages proven CMR architecture for consistent, uninterrupted write performance across full storage volumes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnergy-Efficient 5400 RPM Spindle:\u003c\/b\u003e Reduces heat dissipation, mechanical vibration, and power draw in multi-bay NVR enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTarnish-Resistant Components:\u003c\/b\u003e Constructed with corrosion-resistant internal hardware for dependable long-term operation in challenging physical environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e📸 Compatible Devices\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDigital Video Recorders (DVR) and Network Video Recorders (NVR) with standard 3.5\" SATA bays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHybrid CCTV security recorders (AHD, TVI, CVI, Analog)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSurveillance-oriented Network Attached Storage (NAS) appliances (1 to 8 drive bays)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVideo Management System (VMS) servers and centralized recording appliances\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandalone surveillance monitoring workstations and direct-attached storage (DAS) arrays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e🕐 Approximate Recording Capacity at 4TB\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4-Camera System @ 1080p (H.264, 15fps):\u003c\/b\u003e ~40–56 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4-Camera System @ 1080p (H.265, 15fps):\u003c\/b\u003e ~80–112 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e8-Camera System @ 1080p (H.265, 15fps):\u003c\/b\u003e ~40–56 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e16-Camera System @ 1080p (H.265, 15fps):\u003c\/b\u003e ~20–28 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e4-Camera System @ 4MP (2K, H.265, 15fps):\u003c\/b\u003e ~48–64 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e8-Camera System @ 4MP (2K, H.265, 15fps):\u003c\/b\u003e ~24–32 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMotion Detection Mode:\u003c\/b\u003e Up to 2–3× longer retention compared to continuous streams\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003ci\u003eNote: Actual recording days depend heavily on video compression standards (H.264 \/ H.265 \/ Smart Codecs), individual camera bitrates, framerates, audio recording channels, scene complexity, and motion detection configurations.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"WESTERN DIGITAL","offers":[{"title":"Default Title","offer_id":49746179916087,"sku":"WD44PURZ","price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/7790\/6743\/files\/WD43PURZ_07d0f45e-7d21-453f-aad0-ce22137f6dbe.png?v=1789504659","url":"https:\/\/shop.gvs-usa.com\/products\/wd43purz-wd-purple-4tb-surveillance-hard-drive-5400rpm-256mb-sata3","provider":"gvsusa","version":"1.0","type":"link"}