HDD WD 4 TB SATA3 64MB PURPLE WD40PURZ

MODEL: WD40PURZHDD WD 4 TB SATA3 64MB PURPLE WD20PURZ. INTERNAL DRIVES. CAPACITY 4 TB, INTERFACE SATA, FORM FACTOR 3.5 INCH, RECORDING TECHNOLOGY CMR, COMPATIBILITY WD PURPLE SURVEILLANCE STORAGE IS BUILT TO HANDLE UP TO 64 CAMERAS PER DRIVE AND IS DESIGNED FOR 24/7, ALWAYS ON, HIGH-DEFINITION SURVEILLANCE SECURITY SYSTEMS WITH MORE THAN EIGHT BAYS2, DIMENSIONS (L X W X H) 147MM X 101.6MM X 26.1MM