The latest generation of surveillance units The industry's first HDD optimized for video surveillance, engineered in detail for high-write workloads running 24/7. Designed for workloads of 180TB per year, triple that of desktop drives. Low power consumption and starting current to minimize heat emissions and vibrations, improving long-term unit reliability. Deterioration-resistant components to help protect the unit from weather conditions, increasing reliability in the field. Customize power settings to gradually save power during periods of system inactivity without compromising wake-up speed. Reliable performance in multi-unit systems with VG sensor stabilization. 3-year limited warranty The technical specifications Capacity: 4 TB Interface: SATA @ 6 GB/sec. Cache: 64MB Bytes per sector: 4096 VG (rotary vibration) sensor: Yes Supported drive bays: 8+ Supported cameras: up to 64 Maximum sustainable transfer speed: 180Mbps Average operating consumption: 5.6W Standby consumption: 4W Standby/suspend consumption: 0.5 W Temperature. Working temperature 0°C~+70°C Charge and discharge cycles: 300,000 MTBF: 1,000,000 hours Opening hours: 8,760 hours Dimensions: 101.6 (width) x 26.11 (height) x 147 (depth) mm Weight: 610g Recording in 24 continuous hours (approximately) Quality Quantity (cameras) Duration 2MP 1 chamber 88 days 2MP 2 chambers 44 days 2MP 3 chambers 29 days 2MP 4 chambers 22 days 3MP 1 chamber 70 days 3MP 2 chambers 35 days 3MP 3 chambers 23 days 3MP 4 chambers 17 days 4MP 1 chamber 54 days 4MP 2 chambers 27 days 4MP 3 chambers 18 days 4MP 4 chambers 13 days 5MP 1 chamber 39 days 5MP 2 chambers 19 days 5MP 3 chambers 13 days 5MP 4 chambers 9 days 8MP 1 chamber 23 days 8MP 2 chambers 11 days 8MP 3 chambers 7 days 8MP 4 chambers 5 days