WD PURPLE WD85PURZ 8TB, SATA III 3.5", 256MB 5640RPM, 215MB/s, Low Noise, CMR
Western Digital Ultrastar® HDD 4TB (HUS726T4TALE6L4) DC HC310 3.5in 26.1MM 256MB 7200RPM SATA 512E SE (GOLD )
WD PURPLE PRO WD102PURP 10TB, SATA III 3.5", 512MB 7200RPM, 272MB/s, CMR
WD RED Pro NAS WD121KFBX 12TB SATAIII/600 256MB cache, 240 MB/s, CMR