Model HC550. WD Ultrastar DC HC550 14TB 7.2K SAS 12Gb/s 3.5" HDD - WUH721814AL5204-0F38528. Storage Capacity 18TB. Interface SAS, SAS 12Gb/s. SAS 12Gb/s NOT Compatible w/ Desktop PCs. Toshiba MG08 MG08SCA16TA 16TB 7.2K RPM 3.5" SAS 12Gb/s 4Kn Enterprise HDD.
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