---
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: "R27014"
currency: ZAR
in_stock: true
category: "Western Digital"
url: https://www.desertcart.co.za/products/329860930-12tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata
store_origin: ZA
region: South Africa
---

# SATA 6 Gb/s blazing speed 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:** R27014
**Availability:** ✅ In Stock

## Summary

> 🎥 Elevate your surveillance game with storage that thinks smarter, works harder.

## 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?** R27014 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/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

- • **Blazing Fast Data Transfer:** SATA 6 Gb/s interface with 256MB cache ensures seamless video analytics and deep learning performance.
- • **AI-Optimized Video Integrity:** AllFrame AI tech reduces frame loss and supports multiple camera streams for crystal-clear surveillance.
- • **Built for Harsh Environments:** Tarnish-resistant components and vibration robustness keep your multi-bay systems running 24/7.
- • **Peace of Mind with Data Recovery:** Comes with enterprise-grade data recovery service and a 5-year limited warranty for ultimate reliability.
- • **Unmatched Capacity for AI Workloads:** 12TB storage designed to handle up to 550TB/year workload—future-proof your surveillance data.

## Overview

The Western Digital 12TB WD Purple Pro is a high-performance internal hard drive engineered for advanced AI-enabled surveillance systems. Featuring SATA 6 Gb/s speed, 256MB cache, and AllFrame AI technology, it supports up to 32 AI streams and a 550TB/year workload rate. Built with tarnish-resistant materials and vibration robustness, it ensures reliable operation in demanding multi-bay environments. Ideal for business and personal use, it includes a 5-year warranty and data recovery service for enhanced data protection.

## 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 | #11 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 (772) |
| 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 |
| Read Speed | 245 megabytes_per_second |
| 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

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**Shop now:** [https://www.desertcart.co.za/products/329860930-12tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata](https://www.desertcart.co.za/products/329860930-12tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-19*