WD Purple (Surveillance) 4Tb Desktop 3.5-inch Hard Drives

Product name WD Purple HDD 4TB
Product type Internal HDD
General
Application Surveillance system
Connectivity
Interface SATA 6 Gb/s 8.9 cm (3.5″)
Performance
Capacity 4 TB
Speed 5,400 rpm
Cache 64 MB
Physical properties
Height 26.1 mm
Special features
Special features 24 x 7 continuous operation
Manufacturer?s warranty 3-year bring-in (see manufacturer’s website for details)