The WD Purple WD44PURZ 4TB internal hard drive is specifically designed for reliable 24/7 operation in surveillance and video recording systems. Its 4TB capacity, CMR recording technology and SATA 6Gb/s interface provide dependable storage for continuous video workloads. WD AllFrame technology is designed to improve video streaming and help reduce frame loss in surveillance applications. The drive supports surveillance systems with up to 64 HD cameras and configurations with up to 16 drive bays, making it suitable for DVR and NVR security systems in homes, offices and commercial environments.

Brand: Western Digital
Series: WD Purple
Model: WD44PURZ
Product type: Internal surveillance hard drive
Capacity: 4 TB
Form factor: 3.5 inches
Interface: SATA 6 Gb/s
Recording technology: CMR (Conventional Magnetic Recording)
Advanced Format: Yes
Cache: 128 MB
Internal transfer rate: Up to 175 MB/s
Operating mode: 24/7 continuous operation
Firmware technology: AllFrame
Camera support: Up to 64 HD cameras
Maximum drive bays supported: Up to 16
RV sensors: Yes
Workload rate: Up to 180 TB/year
MTBF: Up to 1,000,000 hours
Operating temperature: 0°C to 65°C
Non-operating temperature: -40°C to 70°C
Dimensions: 101.6 × 147 × 26.1 mm
Weight: Approx. 550 g
RoHS compliant: Yes
Limited manufacturer warranty: 2 years

WD Purple WD44PURZ 4TB 3.5" SATA 6Gb/s CMR Surveillance Internal Hard Drive 128MB Cache