Edit Product Description Save and continue editing Save changes Sku LS Description Western Digital WD Purple 4TB 3.5' Surveillance HDD 5400RPM 64MB SATA3 6Gb/s 150MB/s 180TBW 24x7 64 Cameras AV NVR DVR 1.5mil MTBF 3yrs (LS) --WD44PURZ Key Features Storage Capacity: 4 TB Buffer: 256 MB Wireless LAN: No Drive Interface: SATA Drive Interface Standard: SATA/600 Drive Type: Internal Form Factor: 3.5' WD Purple WD Purple drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple, you get reliable, surveillance-class storage thats tested for compatibility in a wide range of security systems. Exclusive AllFrame technology helps reduce frame loss and improve overall video playback. Three-Year Limited Warranty As an industry-leading hard drive manufacturer, Western Digital stands behind their surveillance storage solutions with a 3-year limited warranty included with every WD Purple drive. Alloy Description Alloy Short Description Alloy Features & Benefits MMT Description DS Description DS Features HTML Icecat Description Icecat Short Description Icecat Features Icecat Specifications Icecat Middle Description Icecat Long Summary Are you sure you want to %action_name%?