4TB WD Surveillance Harddrive features:
Uncompromising Storage with a WD Purple Surveillance Hard Drive
WD Purple drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR or DVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems, and some of our latest models have improved power efficiency. Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback.
- Form factor: 3.5-inch
- Interface: 6.0 Gbit/s
- Capacity: 4 TB
- PERFORMANCE
- Rotational speed: IntelliPower
- Buffer size: 64 MB
- Load/unload Cycles: 300,000 minimum
- Buffer To Host (Serial ATA): 6 Gb/s (Max)
- Host to/from drive (sustained): 145 MB/s
- Performance class: 5400 RPM
- RELIABILITY
- Workloads: 180TB/yr
- Unrecoverable error rate: 1 per 10E14 bits read
- Operating7 (W): <1 in 1014
- Load / Unload Cycle: 300,000
- MTBF: 1,000,000
- ENVIRONMENTAL
- Operating Shock: 65 G / 2.0 ms
- Storage Shock: 250 G / 2.0 ms
- Operating Temperature: 32 to 149°F / 0 to 65°C
- Storage Temperature: -40 to 158°F / -40 to 70°C
- Power Draw: 5.1 W (Active), 4.5 W (Idle), 0.5 W (Standby)
- PHYSICAL
- Dimensions (W x H x D): 26.1 mm x 101.6 mm x 147 mm
- Weight (approx.): 1.5 lb / 0.7 kg
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