--- product_id: 329860930 title: "12TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5\" - WD121PURP" brand: "western digital" price: "¥208704" currency: JPY in_stock: true category: "Western Digital" url: https://www.desertcart.jp/products/329860930-12tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata store_origin: JP region: Japan --- # SATA 6 Gb/s ultra-fast interface 12TB massive storage Supports 32 AI streams 12TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURP **Brand:** western digital **Price:** ¥208704 **Availability:** ✅ In Stock ## Summary > 🔒 Secure your future with storage that never sleeps. ## Quick Answers - **What is this?** 12TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURP by western digital - **How much does it cost?** ¥208704 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/329860930-12tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata) ## Best For - western digital enthusiasts ## Why This Product - Trusted western digital brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Integration:** Optimized for NVRs like Unifi Dream Machine, ensuring plug-and-play security upgrades. - • **Peace of Mind Warranty:** Backed by a 5-year limited warranty plus data recovery service for ultimate protection. - • **AI-Optimized Performance:** AllFrame AI tech reduces frame loss and supports up to 32 AI streams for next-level analytics. - • **Built for 24/7 Reliability:** Engineered with tarnish-resistant components and vibration tolerance for multi-bay enclosures. - • **Unmatched Capacity for Surveillance:** Store up to 12TB of high-definition video footage without compromise. ## Overview The Western Digital 12TB WD Purple Pro Surveillance HDD is a high-capacity, enterprise-grade internal hard drive designed specifically for AI-enabled video surveillance systems. Featuring SATA 6 Gb/s connectivity, 256 MB cache, and AllFrame AI technology, it supports up to 32 AI streams and a 550 TB/year workload rate. Built for continuous 24/7 operation, it offers enhanced durability with tarnish-resistant components and vibration tolerance, making it ideal for multi-bay enclosures and demanding environments. Perfect for professional-grade NVR setups, it comes with a 5-year limited warranty and data recovery service, ensuring reliable, long-term video storage and analytics performance. ## Description WD Purple Pro drives are designed for new generations of high-end AI-enabled recorders, video analytics appliances, deep-learning servers and cloud solutions that can benefit from high-capacity storage with high performance and additional workload capability. WD Purple Pro drives feature AllFrame AI technology, which helps reduce frame loss, improve overall video playback, and not only enables recording of multiple streams per camera but also supports up to 32 AI streams per drive for deep learning analytics within the system. WD Purple Pro drives also feature enterprise-class performance, data integrity and drive reliability, especially in larger-scale systems and enclosures where operational vibration is present. ## Features - Engineered with advanced capabilities needed for high-end smart video solutions.Specific uses: Business,Personal - High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage - Supports up to 550 TB/yr workload rate**. - Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0966V6YJB | | Additional Features | Data Recovery Service | | Best Sellers Rank | #31 in Internal Hard Drives | | Brand | Western Digital | | Built-In Media | 3.5" WD Purple Pro SATA 6 Gb/s Hard Drive, Mounting Screws, Quick Install Guide | | Cache Memory Installed Size | 256 | | Color | Purple | | Compatible Devices | Server, Storage System, Video Surveillance System | | Connectivity Technology | SATA | | Customer Reviews | 4.5 4.5 out of 5 stars (769) | | Data Transfer Rate | 245 megabits_per_second | | Digital Storage Capacity | 12 TB | | Enclosure Material | Information Not Available | | Form Factor | 3.5-inch | | Global Trade Identification Number | 00718037889344 | | Hard Disk Description | Mechanical Hard Disk | | Hard Disk Form Factor | 3.5 inches | | Hard Disk Interface | Serial ATA | | Hard Disk Rotational Speed | 7200 rpm | | Hard-Drive Size | 12 TB | | Hardware Connectivity | SATA 6.0 Gb/s | | Installation Type | Internal Hard Drive | | Item Dimensions L x W x Thickness | 5.79"L x 4"W x 1.03"Th | | Item Type Name | Hard Drive | | Item Weight | 0.66 kg | | Manufacturer | Western Digital Technologies, Inc. | | Mfr Part Number | WD121PURP | | Model Name | WD Purple Pro Surveillance Hard Drive | | Model Number | WD121PURP-SPB5SY0 | | Number of Items | 1 | | Specific Uses For Product | Business, Personal | | UPC | 718037889344 | | Unit Count | 1 Count | | Warranty Description | Five year limited-warranty | ## Product Details - **Brand:** Western Digital - **Color:** Purple - **Compatible Devices:** Server, Storage System, Video Surveillance System - **Connectivity Technology:** SATA - **Digital Storage Capacity:** 12 TB - **Hard Disk Description:** Mechanical Hard Disk - **Hard Disk Form Factor:** 3.5 inches - **Hard Disk Interface:** Serial ATA - **Installation Type:** Internal Hard Drive - **Special Feature:** Data Recovery Service ## Images ![12TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURP - Image 1](https://m.media-amazon.com/images/I/81EsDDkfd0L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can it be installed vertical instead of horizontal inside my lorex nvr?** A: I don't see any reason why not. Mine is installed in a Lorex NVR, but as I recall, it mounts horizontally. **Q: Are these OEM or retail drives?** A: OEM **Q: Will this work in a Desktop Computer ?** A: I had a bunch of issues with this in my desktop... I ended up sending it back and getting two of these Seagate FireCuda HDD 8TB Internal Hard Drive HDD - 3.5 Inch CMR SATA 6Gb/s 7200RPM 256MB Cache 300TB/year with Rescue Services (ST8000DX001) **Q: In case of failure, should we contact the seller or the WD?** A: WD ## Frequently Bought Together - Western Digital 12TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD121PURP - Tripp Lite SMART1500LCD 1500VA Rack Mount UPS Battery Backup, 900W, 8 Outlets, PWM Sine Wave, Short Depth 2U Rackmount UPS, AVR, LCD Screen - Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD85PURZ --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/329860930-12tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata](https://www.desertcart.jp/products/329860930-12tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-03*