Fits 1 x 5mm to 9.5 mm height 2.5 SATA HDD / SSD in a 12.7 mm slim ODD bay. ^^ Supports SATA 3.0 up to 6Gbps / SAS 3.0 up to 12Gbps (Single channel) ^^ 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 drive installed in the drive bay