12.7mm SATA 2nd HDD Hard Drive Caddy for IBM Lenovo Thinkpad T420 T510

Item specifics: Ultra bay SATA 2nd Hold Lenovo ThinkPad T420 12.7mm This caddy is 12.7mm thick, it will not leave a gap. This device accepts 2.5"/9.5mm SATA Hard Disk Drive Compatible models: IBM Lenovo Thinkpad R400 R500 T420 T510 Thickness:12.7 mm Interface:SATA TO SATA Installation method: 1, Unpack the hard drive, Lift the hard drive caddy retaining latch, Th Screws to the hard drive. 2, Insert the hard drive into the hard drive caddy. 3, Slide the hard drive into the connector until it locks into place. 4, Lower the hard drive caddy retaining latch until it snaps closed. Package Included: 1 x 12.7mm Sata to Sata HDD caddy 4 x screws