Industry's first surveillance-optimized hard drive platform improving video streaming and data integrity 4TB of storage capacity supports higher-resolution cameras and up to 16 drivesper system and 32 cameras per drive Reliably performs in multi-drive systems with RAID support from RV sensors 64MB Cache with SATA 6Gb/s interface Never miss a frame with quick time-to-ready. 24x7 operational capabilities Idle3 spin control features enable power-on in standby mode or drive spin-downto conserve power and improve reliability during archival periods