Western Digital
Western Digital WD81PURZ Purple 8 TB 5400 RPM 256 MB 3.5" SATA internal hard drive
An 8 TB 3.5" SATA internal drive with 256 MB cache and 5400 RPM spindle speed, built for continuous surveillance recording
- 8 TB capacity stores weeks of surveillance footage
- 256 MB buffer smooths multi-stream recording
- 5400 RPM spindle balances throughput and power draw
- SATA 6 Gb/s interface fits standard 3.5" bays
Surveillance Storage Capacity
The Western Digital Purple 8 TB drive is built for continuous video recording in surveillance systems. Its 5400 RPM spindle speed and 256 MB buffer support sustained write workloads across multiple cameras. The 3.5 inch SATA form factor fits standard desktop drive bays and NAS enclosures.
Sustained Write Behaviour
Firmware tuned for streaming workloads keeps performance steady during long recording sessions rather than optimising for burst speeds. AllFrame technology reduces frame loss when many streams write at once. The drive is not suited for random-access primary storage or boot duties where low latency matters.
Highlights
- 8 TB capacity stores weeks of surveillance footage
- 256 MB buffer smooths multi-stream recording
- 5400 RPM spindle balances throughput and power draw
- SATA 6 Gb/s interface fits standard 3.5" bays
Specifications
| Brand | Western Digital |
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Questions about this item
How much heat and noise does the 5400 RPM spindle produce during continuous operation?
The 5400 RPM spindle speed is tuned for always-on surveillance workloads, keeping power draw and heat output low during extended use.
Does the 3.5 inch form factor need a specific drive bay or mounting hardware to install?
The 3.5 inch form factor fits standard desktop drive bays and uses the SATA interface for both data and power connections.
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