---
product_id: 49625678
title: "WD 4 TB Surveillance Hard Drive - Purple"
brand: "western digital"
price: "1186.31 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/49625678-wd-4-tb-surveillance-hard-drive-purple
store_origin: TN
region: Tunisia
---

# Supports up to 64 cameras 180 TB/year workload rating Built for high-temp, 24/7 operation WD 4 TB Surveillance Hard Drive - Purple

**Brand:** western digital
**Price:** 1186.31 DT
**Availability:** ✅ In Stock

## Summary

> 🔒 Stay ahead of threats with the Purple powerhouse—surveillance that never sleeps!

## Quick Answers

- **What is this?** WD 4 TB Surveillance Hard Drive - Purple by western digital
- **How much does it cost?** 1186.31 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/49625678-wd-4-tb-surveillance-hard-drive-purple)

## 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

- • **AllFrame 4K Tech:** Minimizes frame loss and boosts video playback quality for crystal-clear footage.
- • **Unmatched Endurance:** Handles a massive 180 TB/year workload for nonstop surveillance reliability.
- • **Multi-Camera Mastery:** Supports up to 64 HD cameras simultaneously—perfect for expansive security setups.
- • **Seamless Integration:** Compatible with mainstream DVRs and NVRs, making professional installation effortless.
- • **Heat-Resistant Design:** Engineered to thrive in high-temperature environments, ensuring 24/7 uptime.

## Overview

The WD 4 TB Surveillance Hard Drive (Purple) is a 3.5-inch mechanical HDD optimized for continuous, high-definition video recording. Featuring a 5400 RPM speed, SATA-600 interface, and AllFrame 4K technology, it supports up to 64 cameras and withstands high temperatures with a workload rating of 180 TB/year, making it ideal for professional 24/7 surveillance systems.

## Description

Full description not available

## Features

- Built for mainstream surveillance DVRs and NVRs, professional security installers, integrators and VARs
- Ideal for high temperature, always-on, surveillance security systems to ensure reliability and quality video playback for when you need it most
- With a workload rating of up to 180 TB/year, built for always-on, 24/7, high-definition surveillance systems
- AllFrame 4K technology tunes the hard drive to help reduce frame loss, improve overall video playback and increase the number of hard drive bays supported within a NVR
- Each drive supports up to 64 cameras and available in capacities up to 10 TB

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Western Digital |
| Product Dimensions | 14.73 x 10.16 x 2.54 cm; 725.75 g |
| Item model number | WD40PURZ |
| Manufacturer | Western Digital |
| Series | PUR |
| Colour | Purple |
| Form Factor | 3.5-inch |
| Standing screen display size | 3.5 Inches |
| RAM Size | 4 GB |
| Computer Memory Type | DDR3 SDRAM |
| Hard Drive Size | 4 TB |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Drive Interface | Serial ATA-600 |
| Hard Disk Rotational Speed | 5400 RPM |
| Wattage | 5 watts |
| Operating System | Windows & Mac |
| Are Batteries Included | No |
| Item Weight | 726 g |
| Guaranteed software updates until | unknown |

## Product Details

- **Digital storage capacity:** 4 TB
- **Hard disk interface:** Serial ATA-600
- **Connectivity technology:** SATA
- **Brand:** Western Digital
- **Special feature:** IntelliPower^Operating temperature range:0 - 65 °C
- **Hard disk form factor:** 3.5 Inches
- **Hard disk description:** Mechanical Hard Disk
- **Compatible devices:** [Monitoring Systems]
- **Installation type:** Internal Hard Drive
- **Colour:** Purple

## Images

![WD 4 TB Surveillance Hard Drive - Purple - Image 1](https://m.media-amazon.com/images/I/51VFFWVqI4L.jpg)
![WD 4 TB Surveillance Hard Drive - Purple - Image 2](https://m.media-amazon.com/images/I/71+yVXomfVL.jpg)
![WD 4 TB Surveillance Hard Drive - Purple - Image 3](https://m.media-amazon.com/images/I/71ZtsVUEokL.jpg)
![WD 4 TB Surveillance Hard Drive - Purple - Image 4](https://m.media-amazon.com/images/I/61cR1KlUwhL.jpg)
![WD 4 TB Surveillance Hard Drive - Purple - Image 5](https://m.media-amazon.com/images/I/71HSPwIfF2L.jpg)

## Available Options

This product comes in different **Capacity, Style Name** options.

## Questions & Answers

**Q: What is the RPM platter spin speed?5400?7200?Thanks for any input.**
A: Clearly its 5400 RPM. The 7200 RPM drives run too hot and would not be a good choice for this application.

**Q: why does it say it has no space?**
A: Your computer has to be set to recognize it as a drive.  Until this is done, it is not usable and thus will show “no space:”. The method to do this varies slightly from OS to OS, so I suggest looking up “how to add a hard drive” for your specific OS.

**Q: I want to replace the hard drive on my Lorex security system, do I need to format this drive after purchasing it?**
A: Yes you will but I advise getting another brand. My 2 TB went bad in just a few weeks and was not covered under warranty due to the 30 limit I believe.

**Q: Does the 8 tb model have a 128mb cache or 256mb cache? i found the product on another website, and there's is 256mb.**
A: Western Digital sells 128MB cache and 256mb cache versions of the 8TB purple drive: https://www.wd.com/products/internal-storage/wd-purple-surveillance-hard-drive.html#WD80PURZ.  Saving even several streams of high definition digital CCTV video is very low-demand from a performance perspective.  It doesn't matter which version you use.

Personally, though, I wouldn't buy another purple drive.  I bought 8 of them and not a single one lasted through the warranty period.  These drives are designed for 180TB total writing per year, or about 500GB per day, easily enough to handle an average of 10 cameras recording 3mp 24/7 but mine all failed with no more than 2 cameras storing to any single drive.  Luckily, I didn't lose any critical video (had no break-ins or burglaries)  between failure and replacement of these purple drives but I need better reliability than these gave me.  I will have to give WD credit for replacing all of the drives that I got sent to them on time.  A couple failed in a remote location a couple months before warranty ended and I couldn't get to them on time to send in so those two are on me.

I've switched to all enterprise grade drives that are designed for 550 TB per year hoping to get more reliability.  Search for this ASIN on Amazon for the suitable WD drive: B074WH5NPT

## Frequently Bought Together

- WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURX [Old Version]
- WD Purple 2TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD20PURX [Old Version]

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-28*