interný disk, HDD, 3,5", 7200 ot/min, SATA III, 4 TB, čítanie 267 MB/s, CMR, 256MB cache
WD Blue 4TB 3.5" SATA III (WD40EZAX)
WD Red Plus 4TB 3.5'' SATA III (6 Gb/s) (WD40EFPX)
WD Red Pro 4TB 3.5'' SATA III (6 Gb/s) (WD4005FFBX)
WD Purple 4TB 3.5" SATA III (WD40PURX)
