Zheino SSD HDD Caddy 9.5mm Aluminum 2nd Hard Disk Drive Caddy Case Adapter for Universal Laptop CD/DVD-ROM Optical Bay (9.5MM) This Hard Drive Adapter lets you add a second hard drive to the laptop systems. Three channels are optional for different branded laptops as the picture shows With a second hard drive, you can quickly store and back up critical data. Support hard disk:2.5 HDD, SATA,SATAII SDD. Works with all laptops that have a 9.5mm SATA optical bay.