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Silver 3.5 inch SATA hard drive labelled WD Purple 3 TB

Western Digital

Western Digital WD Purple WD34PURZ 3 TB 3.5" SATA internal hard drive

SKU CH-ZT4A-X6RWB

3 TB 3.5" SATA drive built for 24/7 surveillance recording with 180 TB TBW endurance

  • Capacity3TB
  • Designed for 24/7 surveillance recording workloads
  • CMR technology sustains continuous write-intensive operation
  • AllFrame™ reduces frame loss during video playback
  • 180 TB workload rating supports heavy recording
  • 5" SATA form factor fits standard NVR bays

Surveillance storage built for 24x7 recording

This 3.5" SATA hard drive uses conventional magnetic recording to deliver write-intensive performance for video surveillance systems, digital video recorders and network video recorders. It is engineered for continuous operation in environments where desktop drives would fail.

AllFrame technology reduces frame loss

The exclusive firmware improves overall video playback by minimising dropped frames during simultaneous multi-stream recording. This keeps footage coherent when many cameras write to the same volume around the clock.

3 TB capacity rated for 180 TB total bytes written

The drive comfortably handles constant high-definition streams from multiple cameras in a single NVR. It is not suited for workloads that demand random-access speed or capacity beyond the rated endurance.

Punti di forza

  • Designed for 24/7 surveillance recording workloads
  • CMR technology sustains continuous write-intensive operation
  • AllFrame™ reduces frame loss during video playback
  • 180 TB workload rating supports heavy recording
  • 5" SATA form factor fits standard NVR bays

Caratteristiche tecniche

BrandWD
Capacity3TB

Domande su questo articolo

How long before the 180 TB write rating is reached on this WD Purple 3 TB drive?

At the rated 180 TB total bytes written, the drive is designed to absorb that volume over its service life in a 24/7 surveillance workload.

What limits continuous operation first — the SATA interface or the mechanical design?

The 3.5" mechanical design built for 24x7 operation is the limiting factor; the SATA interface does not impose a lower endurance ceiling.

How much heat and noise should I expect when this drive runs all day in an NVR?

The drive is engineered for elevated temperatures and vibration in always-on NVR environments, with AllFrame™ technology reducing frame loss during sustained write streams.

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