Wd Hard Drive 3.5 Inch 4Tb Internal Surveillance 64Mb 6Gb/S Purple WD40PURX-64AKYY0
-Part Number: WD40PURX-64akyy0
-Capacity: 4TB-Interface: 3.5" SATA III-Speed: 6GB/S 5400 RPM
-Capacity: 4TB-Interface: 3.5" SATA III-Speed: 6GB/S 5400 RPM
Reference: WDPURPLE