4TB 3.5" SATA III 256MB 7.200 WD4003FFBX Red Pro

WD 12TB 3.5" SATA III 256MB 7.200 WD121KFBX Red Pro

WD PURPLE HDD 8TB Surveillance, 256MB cache, 5640 RPM, up to 215MB/s transfer rate, 24/7

8TB 3.5" SATA III 128MB IntelliPower WD84PURZ Purple

3.5" 1TB PURPLE Surveillance 6Gb/s, SATA, 64MB cache, 5400rpm, 3.5"

4TB 3.5" SATA III 256MB 7.200rpm WD4005FZBX Black

3,5" 4TB RED Plus NAS, SATA 6GB/s , 5400 RPM, 256MB Cache, CMR technology and RAID optimized NAS systems

WD 18TB 3.5 inča SATA III 512MB IntelliPower WD181PURP Purple Pro

WD Blue 10EZEX, 1000 GB, SATA3, 64 MB, 3,5", 7.200 rpm

2TB 3.5" SATA III 256MB 7.200rpm WD20EZBX Blue

WD 6TB 3.5 inča SATA III 64MB IntelliPower WD64PURZ Purple hard disk

8TB 3.5" SATA III 256MB 7.200rpm WD8003FFBX Red Pro