---
product_id: 536360310
title: "4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5\" - WD43PURZ"
brand: "western digital"
price: "¥41779"
currency: JPY
in_stock: true
reviews_count: 8
category: "Western Digital"
url: https://www.desertcart.jp/products/536360310-4tb-wd-purple-surveillance-internal-hard-drive-hdd-sata-6
store_origin: JP
region: Japan
---

# SATA 6 Gb/s interface speed 4TB storage capacity 256MB cache for smooth playback 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ

**Brand:** western digital
**Price:** ¥41779
**Availability:** ✅ In Stock

## Summary

> 🎥 Watch every moment, miss nothing — the ultimate 24/7 surveillance powerhouse

## Quick Answers

- **What is this?** 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ by western digital
- **How much does it cost?** ¥41779 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/536360310-4tb-wd-purple-surveillance-internal-hard-drive-hdd-sata-6)

## 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 Technology:** Minimizes frame loss for flawless, crystal-clear video playback
- • **Plug-and-Play Compatibility:** Seamlessly integrates with most NVR systems for hassle-free installation
- • **Massive Multi-Camera Support:** Handles up to 16 bays, perfect for scaling your security setup
- • **Surveillance-Grade Endurance:** Engineered for 24/7 nonstop video recording without breaking a sweat
- • **Tarnish-Resistant Durability:** Built with components that resist corrosion, ensuring long-term reliability

## Overview

The Western Digital 4TB WD Purple HDD is a surveillance-optimized internal hard drive featuring SATA 6 Gb/s connectivity, a 256MB cache, and AllFrame technology to reduce video frame loss. Designed for continuous 24/7 operation, it supports up to 16-bay systems and withstands harsh conditions with tarnish-resistant components, making it the reliable backbone for professional and home security setups.

## Description

WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive WD AllFrame technology helps reduce frame loss and improve overall video playback.

Review: Reliable Hard Drive for Surveillance Systems - I installed the WD Purple 2TB drive in my security system, and it’s been working flawlessly. It handles continuous recording without any issues, and the 64MB cache seems to help with smooth performance. I like that it’s specifically designed for surveillance, so I feel confident it will last. Easy to install in my NVR, and no glitches so far. Definitely a solid choice for anyone needing a dependable hard drive for cameras.
Review: WD Purple Pro 12TB – The Hard Drive That Never Sleeps (Because It’s Watching You Sleep) - I bought this beast to drop into my Amcrest NVR system because apparently, my house needed the same level of surveillance as Fort Knox. Spoiler alert: it works perfectly — and now my house is basically the Truman Show, but with better resolution. 🎥 Why I Love This Drive: 12 Terabytes of "You Saw Nothing, Officer" Seriously, it holds weeks of 4K footage from multiple cameras, including the one pointed at my driveway that’s mostly squirrels doing parkour. Purpose-Built for Paranoia Designed for 24/7/365 surveillance workloads. No naps. No coffee breaks. Just pure, tireless storage of every desertcart delivery and mysterious leaf blower incident. Plug-and-Paranoia Installation Installed in my Amcrest NVR like it was born there. No firmware drama, no compatibility tantrums. Just silence... and a blinking light of judgment. Cooler Than Your Ex Runs quiet, stays cool, and doesn’t randomly ghost you like a desktop hard drive shoved into a job it wasn’t hired for. 512MB Cache = Smooth Playback Rewinding suspicious backyard activity in crisp HD has never been this satisfying. Even if it was just a raccoon again. 🧠 Final Thoughts: If you're serious about home security (or just want to capture footage of your neighbor stealing your trash cans), this is the drive. It’s like a security guard that never blinks and never asks for a raise. Buy it. Install it. Sleep easy — unless you're worried what it might've caught you doing

## Features

- Engineered for mainstream surveillance systems
- WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications
- Supports up to 180 TB/yr workload rate(3) | (3) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
- Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays.
- Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C4X6RDV8 |
| Additional Features | Not_Performance_Used |
| Best Sellers Rank | #6 in Internal Hard Drives |
| Brand | Western Digital |
| Built-In Media | Internal Hard Drive |
| Cache Memory Installed Size | 256 |
| Color | Purple |
| Compatible Devices | Desktop |
| Connectivity Technology | SATA |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.3 out of 5 stars 2,828 Reviews |
| Digital Storage Capacity | 4000 GB |
| Enclosure Material | Aluminum |
| Form Factor | 3.5-inch |
| Global Trade Identification Number | 00718037898308 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Interface | Serial ATA-600 |
| Hard Disk Rotational Speed | 5400 RPM |
| Hard-Drive Size | 4 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Installation Type | Internal Hard Drive |
| Item Type Name | Internal Hard Drive |
| Item Weight | 1.26 Pounds |
| Manufacturer | Western Digital Technologies, Inc. |
| Model Name | WD Purple HDD |
| Model Number | WD43PURZ |
| Number of Items | 1 |
| Read Speed | 180 Megabytes Per Second |
| Special Feature | Not_Performance_Used |
| Specific Uses For Product | Business |
| UPC | 718037898308 |
| Unit Count | 1.0 Count |
| Warranty Description | 3 Year Limited Warranty |

## Product Details

- **Digital Storage Capacity:** 4000 GB
- **Hard Disk Interface:** Serial ATA-600
- **Connectivity Technology:** SATA
- **Brand:** Western Digital
- **Special Feature:** Not_Performance_Used
- **Hard Disk Form Factor:** 3.5 Inches
- **Hard Disk Description:** Mechanical Hard Disk
- **Compatible Devices:** Desktop
- **Installation Type:** Internal Hard Drive
- **Color:** Purple

## Images

![4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ - Image 1](https://m.media-amazon.com/images/I/61Np0SuI9rL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: can it replace older hhd in nightowl dvr**
A: Yes. This hard drive is compatible with all recording units.

**Q: What is the difference between 3tb purple wd30purz and wd30purz, very confusing?**
A: Absolutely nothing. They are the same.

**Q: Is this compatible with annke surveillance camera system 8ch 1080p lite h.264+ dvr with (8) hd 1080p outdoor weatherproof cameras cctv security camera**
A: As the owner of South Jersey Surveillance Systems, I can assure you that any WD purple or Seagate Skyhawk hard drive is the appropriate type of storage drive for any and all DVRs and NVRs.

**Q: Whats the difference between this and the red plus?**
A: WD Blue HDDs are mainly used for general purpose storage, they are great all-rounders, and an average user can’t go wrong with Blue.

WD Green is basically same as Blue, but it lacks a bit of performance. However, it is the most eco-friendly HDD, and it’s quite cheap.

WD Blacks are for pure performance including gaming, media, and content creation. Also one of the most expensive HDDs.

WD Red is a NAS drive. It’s optimized for NAS systems.

WD Purple is for surveillance. Advised for 24/7 operation.

WD Gold, probably the most premium of all. Made for a multitude of Datacenter-specific applications.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable Hard Drive for Surveillance Systems
*by A***S on January 14, 2026*

I installed the WD Purple 2TB drive in my security system, and it’s been working flawlessly. It handles continuous recording without any issues, and the 64MB cache seems to help with smooth performance. I like that it’s specifically designed for surveillance, so I feel confident it will last. Easy to install in my NVR, and no glitches so far. Definitely a solid choice for anyone needing a dependable hard drive for cameras.

### ⭐⭐⭐⭐⭐ WD Purple Pro 12TB – The Hard Drive That Never Sleeps (Because It’s Watching You Sleep)
*by N***L on August 8, 2025*

I bought this beast to drop into my Amcrest NVR system because apparently, my house needed the same level of surveillance as Fort Knox. Spoiler alert: it works perfectly — and now my house is basically the Truman Show, but with better resolution. 🎥 Why I Love This Drive: 12 Terabytes of "You Saw Nothing, Officer" Seriously, it holds weeks of 4K footage from multiple cameras, including the one pointed at my driveway that’s mostly squirrels doing parkour. Purpose-Built for Paranoia Designed for 24/7/365 surveillance workloads. No naps. No coffee breaks. Just pure, tireless storage of every Amazon delivery and mysterious leaf blower incident. Plug-and-Paranoia Installation Installed in my Amcrest NVR like it was born there. No firmware drama, no compatibility tantrums. Just silence... and a blinking light of judgment. Cooler Than Your Ex Runs quiet, stays cool, and doesn’t randomly ghost you like a desktop hard drive shoved into a job it wasn’t hired for. 512MB Cache = Smooth Playback Rewinding suspicious backyard activity in crisp HD has never been this satisfying. Even if it was just a raccoon again. 🧠 Final Thoughts: If you're serious about home security (or just want to capture footage of your neighbor stealing your trash cans), this is the drive. It’s like a security guard that never blinks and never asks for a raise. Buy it. Install it. Sleep easy — unless you're worried what it might've caught you doing

### ⭐⭐⭐⭐⭐ Only Drives i use
*by L***S on December 30, 2025*

Cant go wrong with WD Hard drives, had one fail and they told me it would be credited and to just order another one. not very often do they fail and when they do they warranty them. Easy to install not real loud and function great for my security deployments

## Frequently Bought Together

- Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ
- Amcrest NV4108E-A2 4K 8CH POE NVR (1080p/3MP/4MP/5MP/8MP) POE Network Video Recorder - Supports up to 8 x 8MP/4K IP Cameras, 8-Channel Power Over Ethernet Supports up to 10TB HDD (Not Included)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-03*