WD Purple 4 TB Surveillance HDD SATA lll 5400 RPM Internal Hard Drive WD40PURZ
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About this product
The WD Purple 4 TB Surveillance HDD (WD40PURZ) is an internal 3.5-inch desktop hard drive with a 4TB storage capacity, specifically engineered for surveillance systems. It features a 5400 RPM rotation speed, a 64MB cache, and a SATA III interface. This drive is optimized for low power consumption and designed for 24/7 operation, making it ideal for constant video recording in PC-compatible security setups.
Our take
For those setting up or expanding a surveillance system, this WD Purple 4TB drive is a solid choice. Its 5400RPM speed, while not the fastest for general computing, is perfectly adequate and often preferred for continuous write workloads, balancing performance with reliability. The 64MB cache and SATA III interface are standard for this application, and the low power consumption is a nice bonus for always-on systems. It’s built to handle the demands of a surveillance DVR or NVR, making it a dependable backbone for your security footage.
Pros & Cons
Pros
- 4TB storage capacity
- Optimized for surveillance
- Low power consumption
- SATA III interface
Cons
- 5400RPM rotation speed isn't fastest
- 64MB cache is standard
Specifications
- Compatible With PC
- Color Purple
- MPN WD40PURZ
- Rotation Speed 5400RPM
- Brand Western Digital
- Form Factor 3.5 in
Show all 14 specifications
- Type
- Internal Desktop Drive
- Drive Type(s) Supported
- HDD
- Model
- WD40PURZ
- Features
- Low Power Consumption
- Storage Capacity
- 4TB
- Interface
- SATA III
- Product Line
- Purple
- Cache
- 64MB