Fits 1 x 5mm to 9.5 mm height 2.5 SATA HDD / SSD in a 12.7 mm slim ODD bay. ^^ Supports transfer speed up to 6Gbps ^^ The receiving SATA connector rated for up to 10, 000 drive insertions ^^ Heavy-duty full metal construction design - perfect for enterprise applications ^^ Active Power Technology (APT) powers up individual LED if only there is a drive installed in the drive bay