3.5" 1TB PURPLE Surveillance 6Gb/s, SATA, 64MB cache, 5400rpm, 3.5"
WD Purple HDD 1TB Surveillance SATA 3 (6Gb/s), 64MB cache, IntelliPower
WD 2TB 3.5" SATA III 64MB IntelliPower WD23PURZ Purple
WD 2TB 3.5 inča SATA III 64MB WD20EFPX Red Plus hard disk
3,5" 4TB PURPLE Surveillance, SATA 6GB/s, 256MB cash, Transfer Rate up to 175MB/s, up to 64 HD cameras
WD Red Plus NAS™ WD40EFZX (CMR), 4 TB, SATA3, 128 MB, 3,5", 5.400 rpm
3,5" 4TB RED Plus NAS, SATA 6GB/s , 5400 RPM, 256MB Cache, CMR technology and RAID optimized NAS systems
2TB 3.5" SATA III 64MB 7.200rpm WD2002FFSX Red Pro