---
product_id: 327939470
title: "18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5\" - WD181PURP"
brand: "western digital"
price: "₨16908"
currency: SCR
in_stock: true
reviews_count: 13
category: "Western Digital"
url: https://www.desertcart.sc/products/327939470-18tb-wd-purple-pro-surveillance-internal-hard-drive-hdd-sata
store_origin: SC
region: Seychelles
---

# 7200 RPM high-speed spin 18TB massive storage 512MB cache for smooth AI streaming 18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP

**Brand:** western digital
**Price:** ₨16908
**Availability:** ✅ In Stock

## Summary

> 🎥 Never Miss a Frame, Never Miss a Beat

## 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 western digital
- **How much does it cost?** ₨16908 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/327939470-18tb-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

- • **Future-Proof Your Security Setup:** Handles up to 550TB/year workload—perfect for deep learning servers and cloud storage.
- • **Built to Endure Harsh Environments:** Tarnish-resistant components and vibration tolerance ensure 24/7 reliability in multi-bay setups.
- • **Seamless Integration & Performance:** SATA 6 Gb/s interface and enterprise-class reliability keep your system running flawlessly.
- • **Engineered for AI-Powered Analytics:** Supports up to 32 AI streams simultaneously for next-level video intelligence.
- • **Unmatched Capacity for Surveillance:** Store up to 18TB of continuous 4K footage without breaking a sweat.

## Overview

The Western Digital 18TB WD Purple Pro is a surveillance-optimized internal hard drive designed for high-end AI-enabled recorders and video analytics. Featuring 18TB capacity, 7200 RPM speed, and a 512MB cache, it supports up to 32 AI streams and a 550TB/year workload. Built with tarnish-resistant components and vibration tolerance, it ensures enterprise-grade reliability for continuous 24/7 surveillance in demanding environments.

## 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.

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 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 |
| Batteries | 1 AAAA batteries required. |
| Best Sellers Rank | #4 in Internal Hard Drives |
| Brand | Western Digital |
| Color | Purple |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,783) |
| Date First Available | May 7, 2021 |
| Department | unisex |
| Flash Memory Size | 18 TB |
| Hard Drive | 18 TB Mechanical Hard Disk |
| Hard Drive Interface | Serial ATA |
| Hard Drive Rotational Speed | 7200 RPM |
| Item Dimensions LxWxH | 5.79 x 4 x 1.03 inches |
| Item Weight | 1.75 pounds |
| Item model number | WD181PURP-SPB6HY0 |
| Language | English, English, English, English, English |
| Manufacturer | Western Digital Technologies, Inc. |
| Product Dimensions | 5.79 x 4 x 1.03 inches |
| Series | WD Purple Pro Surveillance Hard Drive |

## Product Details

- **Brand:** Western Digital
- **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/71qNXFa9QKL.jpg)
![18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP - Image 2](https://m.media-amazon.com/images/I/81H1nFRjO3S.jpg)
![18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP - Image 3](https://m.media-amazon.com/images/I/81fXIaTY1MS.jpg)
![18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP - Image 4](https://m.media-amazon.com/images/I/81s0cykrM-S.jpg)
![18TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 512 MB Cache, 3.5" - WD181PURP - Image 5](https://m.media-amazon.com/images/I/91++QZdFMvL.jpg)

## 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

## 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 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
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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-22*