{"product_id":"wd-purple-pro-22tb-enterprise-surveillance-hard-drive-7200-rpm-512mb-cache-ai-analytics","title":"WD Purple Pro 22TB Enterprise Surveillance Hard Drive (7200 RPM, 512MB Cache, AI Analytics)","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003eWD221PURP 22TB 3.5\" Enterprise Surveillance Hard Drive\u003c\/b\u003e is the flagship high-density storage drive manufactured by \u003cb\u003eWestern Digital\u003c\/b\u003e under the specialized \u003cb\u003eWD Purple™ Pro\u003c\/b\u003e enterprise smart video line. Purpose-built for massive AI-enabled Network Video Recorders (NVRs), deep learning video analytics appliances, enterprise Video Management System (VMS) server clusters, and multi-bay commercial SAN\/NAS storage arrays, this drive handles continuous high-bandwidth video ingestion and compute-intensive metadata processing without dropped frames or stream degradation.\u003c\/p\u003e\n\u003cp\u003ePowered by Western Digital's advanced AllFrame™ AI technology, the WD221PURP concurrently records up to 64 single-stream high-definition (HD) cameras while sustaining up to 32 concurrent deep learning AI streams dedicated to on-server neural analytics (such as facial recognition, ANPR\/LPR license plate recognition, vehicle make\/model classification, and spatial tripwire triggers). Engineered with OptiNAND™ technology alongside HelioSeal® helium-sealed architecture, it pairs enterprise-grade 7200 RPM spindle mechanics with a massive 512MB cache buffer and a high-speed SATA 6.0 Gb\/s (SATA3) interface on conventional magnetic recording (CMR) architecture. It delivers an enterprise workload rating of up to 550 TB\/year and an industry-leading 2.5 million-hour MTBF, backed by integrated hardware Rotational Vibration (RV) sensors to maintain data integrity in multi-drive rackmount enclosures.\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\u003eMassive 22TB Enterprise AI Video Storage:\u003c\/b\u003e Built for heavy-duty 24\/7 continuous operation in AI-powered NVRs, deep learning servers, and high-density SAN\/NAS storage arrays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExclusive AllFrame™ AI Technology:\u003c\/b\u003e Ingests up to 64 HD surveillance camera streams plus 32 dedicated AI analytical streams for advanced neural metadata processing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOptiNAND™ \u0026amp; HelioSeal® Technology:\u003c\/b\u003e Combines embedded iNAND flash with hermetically sealed helium mechanics to enhance drive density, power efficiency, and cache management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnterprise Workload Rating (550 TB\/Year):\u003c\/b\u003e Delivers more than 3× the workload capability of standard surveillance drives to withstand heavy continuous write and analytical cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive 512MB Cache Buffer:\u003c\/b\u003e High-capacity multi-segmented cache buffer handles heavy concurrent data throughput and high-bitrate video streams with ease.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Performance 7200 RPM Mechanics:\u003c\/b\u003e Delivers sustained data transfer speeds up to 265 MB\/s for fast multi-channel video scrubbing and exports.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBuilt-in Rotational Vibration (RV) Sensors:\u003c\/b\u003e Dampens and compensates for rotational vibrations in high-density multi-drive server chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnterprise Reliability (2.5M Hours MTBF):\u003c\/b\u003e Heavy-duty architecture engineered for dependable multi-year 24\/7 service in unlimited-bay enterprise enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWestern Digital Device Analytics™ (WDDA):\u003c\/b\u003e Provides proactive drive health monitoring, diagnostic telemetry, and preventative maintenance reporting in compatible systems.\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\u003eHigh-density Enterprise Network Video Recorders (NVRs) with 8 to 64+ drive bays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAI Video Analytics Servers and Deep Learning Appliance Platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnterprise Video Management Software (VMS) servers (Milestone, Genetec, Avigilon)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-capacity surveillance Network Attached Storage (NAS) and Storage Area Network (SAN) enclosures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-drive hardware RAID storage arrays (RAID 5, 6, 10, 50, 60)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e🕐 Approximate Recording Capacity at 22TB\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 ~220–308 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 ~440–616 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 ~220–308 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 ~110–154 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e32-Camera System @ 1080p (H.265, 15fps):\u003c\/b\u003e ~55–77 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 ~132–176 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e16-Camera System @ 4MP (2K, H.265, 15fps):\u003c\/b\u003e ~66–88 days of continuous recording\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMotion Detection \/ AI Analytic Mode:\u003c\/b\u003e Up to 2–4× longer retention compared to continuous streams\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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, AI metadata logging, 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":52991546425655,"sku":"WD221PURP","price":1686.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/7790\/6743\/files\/WD221PURP.png?v=1789508144","url":"https:\/\/shop.gvs-usa.com\/products\/wd-purple-pro-22tb-enterprise-surveillance-hard-drive-7200-rpm-512mb-cache-ai-analytics","provider":"gvsusa","version":"1.0","type":"link"}