Western Digital Ultrastar DC HC310 HUS726T4TALA6L4 3.5″ 4000 GB Serial ATA III
Western Digital Red NAS Hard Drive 2 TB , 3.5 in , 256 MB
Western Digital Gold 6TB Enterprise Class Hard Disk Drive – 7200 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch – WD6003FRYZ
Western Digital RED Pro 3.5” SATA 6GB/s 5400 RPM 8TB
Western Digital RED Pro 3.5” SATA 6GB/s 5400 RPM 4TB