SATA to SATA 9.0 / 9.5MM Universal 2nd HDD SSD Hard Drive Caddy for 2.5 inch Apple Laptops by Vcall - Black 2nd Hard Drive Enclosure,a caddy to hold up 2.5" SATA hard drive in Apple laptop,Apple notebooks,and protect your hard drive from impact.It's compatible with all 2.5" Apple laptops. Not any additional drive/software to active. Works with 2.5" dvd drive drive,hdd,SATA,SATA II SSD,compatible with Apple laptops,Apple notebooks with a 9.5mm DVD-ROM Lightweight and Easy Installation,the way is:1. Installing the hard drive to the hard drive caddy;2. Parallelly insert hard drive interface SATA into the inside end of caddy;3. Fix screws on both sides of the caddy into hard drive. Srewdriver and srews are available for installation in Package