Western Digital Purple Pro 8TB 3.5 inch SATA surveillance hard drive with 256 MB cache

Western Digital WD8002PURP-20PK 8TB SATA 3.5in

Name: Western Digital WD8002PURP-20PK 8TB SATA 3.5in
Brand: Western Digital
SKU: WD8002PURP-20PK

Western Digital|

MPN: WD8002PURP-20PK

UPC: 0718037896748

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Key Features

8 TB surveillance-class storage capacity
256 MB cache for buffered write handling
3.5 in SATA drive form factor
Purple Pro series for video workloads
Designed for NVR and DVR environments
Built for continuous recording use

Keep surveillance systems recording when the workload never stops. This Western Digital Purple Pro drive is built for AV and security video environments that demand sustained write performance, high capacity, and dependable operation across multi-bay systems. With 8 TB of storage and a 256 MB cache, it is suited to recording high-resolution streams while preserving footage for longer retention windows. The 3.5 in SATA form factor makes it a practical fit for NVRs, DVRs, and other video storage arrays where drive consistency matters more than consumer-style peak benchmarks. Purple Pro drives are positioned for surveillance workloads, which means they are engineered around the realities of always-on recording, not general desktop use. That specialization helps justify the premium in systems where missed frames or dropped recordings are not acceptable. For integrators and IT teams building reliable video infrastructure, this drive offers the capacity and workload focus needed for professional security deployments. It is a storage component chosen for uptime, not convenience.

Ideal For

Network video recorders in commercial security systems
Digital video recorders for multi-camera installations
Long-retention storage for high-resolution surveillance footage
Multi-bay video arrays in professional monitoring rooms

Why This Product

1Purpose-built for surveillance rather than desktop storage
28 TB capacity supports longer footage retention
3256 MB cache helps sustain recording workloads
43.5 in SATA format fits standard video recorders

General

Mpn	WD8002PURP-20PK
Brand Name	Western Digital

Storage

Drive Interface	SATA
Drive Form Factor	3.5 in

Capacity

Storage Capacity Tb

8 TB

Technology

Nand Type

N/A

Performance

Random Read Iops	Not specified
Random Write Iops	Not specified
Sequential Read Mbps	Not specified
Sequential Write Mbps	Not specified

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Documentation

Additional pdf1

Frequently Asked Questions

Is this drive meant for surveillance systems?▾

Yes. Purple Pro drives are designed for video recording environments such as NVRs and DVRs.

What does the 256 MB cache help with?▾

The cache helps buffer data during sustained recording workloads, which is useful in always-on surveillance systems.

Can this be used in a standard desktop PC?▾

It can physically fit in systems that support a 3.5 in SATA drive, but it is optimized for surveillance workloads rather than general desktop use.

Why choose Purple Pro over a consumer drive?▾

Purple Pro is tuned for continuous video recording and multi-drive security deployments, which makes it a better fit for professional surveillance infrastructure.