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

WD 2TB 3.5" SATA III 64MB IntelliPower WD23PURZ Purple

8TB 3.5" SATA III 128MB IntelliPower WD84PURZ Purple

WD RED PRO NAS HDD 20TB, 3.5", 7200 rpm, 512MB cache, up to 268MB/s transfer rate

2TB 3.5" SATA III 64MB 7.200rpm WD2003FZEX Black

WD 6TB 3.5" SATA III 256MB IntelliPower WD60EFPX Red Plus

WD 10TB 3.5" SATA III 256MB 7.200 WD101PURP Purple

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

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

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

WD RED PRO NAS HDD 14TB, 3.5", 7200 rpm, 512MB cache, up to 255MB/s transfer rate

WD 12TB 3.5" SATA III 256MB 7200rpm WD120EFBX Red Plus NAS