EKoo Hard Drive Caddy Tray,SATA 2nd HDD caddy for 9.5mm Universal CD/DVD-ROM Optical Bay Uses 2.5" SATA hard drives 9.5mm-high. Improve laptop performance and capacity with extra hard drive. Compatible with: 2.5"/9.5mm SATA HDD or SSD, SATA I II III7MM/9MM thickness.Hard drive NOT include.Using SATA3.0 technology, top speed can reach 6 GBPS, depending on your specific runtime machine drive a standard of the channel on the main board. Applicable models: (for reference only) general optical drive is 9.5 MM thickness SATA interface of notebook computer, all-in-one PC, server, etc. Material: aviation aluminum.Package included:1 x Hard Dive Caddy; 4 x Hard Drive Screws.