Fits 3 x 3.5 -Inch SAS/SATA HDDs into 2 x 5.25 -Inch external ODD/device baysSupports full SATA III (6 Gb/s) transfer speeds & SAS single-channel operation (SAS host required) Include 3x complimentary SATA cableFull Metal Chassis & Compact, space saving design to fit multiple drives100% tool-less and screw-less drive installation