---
title: "VIDEO SURVEILLANCE HARD DISK 4TB | WESTREN DIGITAL | WD40PURZ"
date: 2021-04-05T05:34:30Z
modified: 2026-08-09T10:34:08Z
permalink: "https://cyberpro.in/shop/video-surveillance-hard-disk-4tb-westren-digital-wd40purz/"
type: product
status: publish
excerpt: Engineered specifically for surveillance security systems Supports up to 180TB/year workload rate Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications Prioritized write-operations for maximized surveillance performance TLER and ATA streaming support
wpid: 2229
pwb-brand:
  - Western Digital Purple
product_type:
  - simple
product_cat:
  - Hard Disk
featured_image: "https://cyberpro.in/wp-content/uploads/2021/04/WD-Purple-4tb-Hard-Disk-Cyber-Pro-Bangalore.jpg"
featured_image_alt: WD Purple 4tb Hard Disk Cyber Pro Bangalore
timestamp: 2026-08-09T10:34:08Z
tags:
  - Western Digital Purple
  - simple
  - Hard Disk
---

- WD Purple drives are built for 24/7, always-on, high-definition security systems.
- With a supported workload rate1 of up to 180 TB/yr.
- Support for up to 64 cameras
- WD Purple drives are optimized for surveillance systems.
- WD Purple surveillance storage also comes with WD’s exclusive All Frame 4K technology, so you can confidently create a security system tailored to the needs of your business.
- Using All Frame 4K technology, WD Purple drives improve ATA streaming to help reduce errors, pixilation, and video interruptions that could happen in a video recorder system.
- 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.