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Western Digital

4TB WD44PURZ WD Purple 256MB Surveillance HDD - SATA III 3.5" (Boxed)

SKU 56563 Brand Western Digital EAN13 0718037905778
Western Digital Purple WD44PURZ 4TB surveillance HDD. 5400 RPM, 256MB cache, SATA III 6Gb/s, 3.5". Optimized for 24/7 DVR/NVR with AllFrame tech, up to 64 HD cameras, 175MB/s transfer. 3-year warranty.
Storage (SSD & HDD) - Device Type Internal HDD
Storage (SSD & HDD) - Capacity 4TB
Storage (SSD & HDD) - RPM (HDD) 5400 RPM
Storage (SSD & HDD) - Interface SATA III
Storage (SSD & HDD) - Cache (HDD) 256MB
Storage (SSD & HDD) - Form Factor 3.5 inch

The Western Digital Purple WD44PURZ is a 4TB 3.5-inch internal hard drive engineered specifically for 24/7 surveillance recording in DVR and NVR systems. It features WD AllFrame technology that minimizes frame loss and enhances video playback by optimizing for multi-stream HD camera workloads, supporting up to 64 cameras.

With a sustained transfer rate of 175 MB/s, 5400 RPM spindle speed, and 256MB cache, this CMR drive handles demanding surveillance environments with elevated heat and vibration. It supports up to 180TB/year workload rating and is compatible with systems up to 16 bays. Operating temperature range is 0-65°C.

  • Key Benefits:
  • 24/7 reliable surveillance storage
  • AllFrame tech reduces dropped frames
  • Tarnish-resistant components
  • 3-year limited warranty
  • Wide certifications (CE, UL, etc.)
HDD Capacity4 TB
HDD Speed5400 RPM
Cache Size256 MB
HDD Size3.5
InterfaceSerial ATA III
TypeHDD
Component forSurveillance system
Average HDD Transfer Rate175 MB/s
Operating Temperature0 - 65 °C
Storage Temperature-40 - 70 °C
Width101.6 mm
Height26.1 mm
Depth147 mm
Weight550 g
CertificationBSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL
Recording TechnologyCMR
Workload Rate180 TB/year
Warranty3 years limited