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ICY DOCK FlexCage MB974SP-2B Tray-less 4 x 3.5 Inch HDD in 3 x 5.25 Inch Bay SATA Cage - Front
Fits 4 x 35 SATA III HDD into 3 x 525 Device Bays
Supports SATA 3 6 Gbs hard drives
Compact and space saving design to fit multiple drives