Engineered for mainstream surveillance systems • WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications • Supports up to 180TB/yr workload rate and up to 16 bays • Capacity : 6TB • Form Factor : 3.5-Inch • Connector : SATA Compatibility : Up to 64 HD cameras / Up to 16 drive bays /AllFrame firmware technology • Interface : SATA •Transfer Rate : up to 175MB/s > Recording Technology : CMR > Cache Size : 256MB • Warranty : 3-Year Limited Warranty - Dimensions (L x W x H) : 5.79" x 4" x 1.03"