--- product_id: 327939470 title: "18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5\" - WD181PURP" brand: "wd" price: "$1520.84" currency: USD in_stock: true category: "Western Digital" url: https://www.desertcart.us/products/327939470-18tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata store_origin: US region: United States of America --- # SATA 6 Gb/s ultra-fast interface 18TB massive capacity Supports 32 AI streams 18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP **Brand:** wd **Price:** $1520.84 **Availability:** ✅ In Stock ## Summary > 🎥 Elevate your surveillance game with WD Purple Pro — where AI meets unstoppable storage. ## Quick Answers - **What is this?** 18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP by wd - **How much does it cost?** $1520.84 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/327939470-18tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata) ## Best For - wd enthusiasts ## Why This Product - Trusted wd brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Massive 18TB Storage:** Store years of high-res surveillance footage without compromise. - • **Seamless Integration:** SATA 6 Gb/s interface and 512MB cache ensure smooth, lag-free data transfer in any surveillance setup. - • **High Workload Endurance:** Supports an industry-leading 550 TB/year workload rate to keep your system running 24/7. - • **AI-Optimized Performance:** Handles up to 32 AI streams for cutting-edge video analytics and deep learning. - • **Enterprise-Grade Reliability:** Built with tarnish-resistant components and vibration tolerance for multi-bay enclosures. ## Overview The Western Digital 18TB WD Purple Pro is a 3.5-inch internal hard drive engineered for high-end AI-enabled surveillance systems. Featuring SATA 6 Gb/s connectivity, 512MB cache, and support for up to 32 AI streams, it delivers enterprise-class reliability and performance with a 550 TB/year workload rating. Designed for harsh environments and multi-bay enclosures, it ensures seamless, high-capacity storage for advanced video analytics and deep learning applications. ## 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 - 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 | B0966TBDRZ | | Additional Features | Data Recovery Service | | Best Sellers Rank | #5 in Internal Hard Drives | | Brand | WD | | Built-In Media | 3.5" WD Purple Pro SATA 6 Gb/s Hard Drive, Mounting Screws, Quick Install Guide | | Cache Memory Installed Size | 512 | | Color | Purple | | Compatible Devices | Server, Storage System, Video Surveillance System | | Connectivity Technology | SATA | | Customer Reviews | 4.0 4.0 out of 5 stars (466) | | Data Transfer Rate | 272 Megabits Per Second | | Digital Storage Capacity | 18 TB | | Enclosure Material | Information Not Available | | Form Factor | 3.5-inch | | Global Trade Identification Number | 00718037889481 | | 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 | 18 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 | 1.8 Pounds | | Manufacturer | Western Digital Technologies, Inc. | | Mfr Part Number | WD181PURP | | Model Name | WD Purple Pro Surveillance Hard Drive | | Model Number | WD181PURP-SPB6HY0 | | Number of Items | 1 | | Specific Uses For Product | Business, Personal | | UPC | 718037889481 | | Unit Count | 1.0 Count | | Warranty Description | Five year limited-warranty | ## Product Details - **Brand:** WD - **Color:** Purple - **Compatible Devices:** Server, Storage System, Video Surveillance System - **Connectivity Technology:** SATA - **Digital Storage Capacity:** 18 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 ![18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP - Image 1](https://m.media-amazon.com/images/I/61iSDo-1aZL.jpg) ## Available Options This product comes in different **Size, Style** 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 18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP - Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD101PURP - Tripp Lite SMART1500LCD 1500VA Rack Mount UPS Battery Backup, 900W, 8 Outlets, PWM Sine Wave, Short Depth 2U Rackmount UPS, AVR, LCD Screen --- ## 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.us/products/327939470-18tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata](https://www.desertcart.us/products/327939470-18tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-21*