Key specifications
- Capacity: 2TB |Â 4TB
- Form Factor:Â 3.5-inch internal HDD
- Interface:Â SATA 6 Gb/s (SATA III)
- Performance Class: 7200 | 5400 RPM class, optimized for surveillance
- Cache Size: 256MB
- Recording Technology:Â Conventional Magnetic Recording (CMR).
- Workload Rating:Â Supports a workload of up to 180 TB per year.
- Camera Support:Â Up to 64 HD cameras per drive.
- Drive Bays Supported:Â Up to 16 bays in a surveillance system.
- Firmware:Â Includes Western Digital’s exclusive AllFrame technology to reduce video frame loss and improve video playback.
- Power Consumption (approximate):
- Read/Write: 5.10–5.30W
- Idle: 4.30–4.50W
- Physical Dimensions:Â 147mm (L) x 101.6mm (W) x 26.1mm (H)
- Weight:Â ~0.68 kg / 1.5 lbs
- Operating Temperature: 0°C to 65°C

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