Add the 2nd drive to your laptop by replacing your optical drive; | Front LED Available; Comes with matched Faceplate/Bezel and mounting bracket; | Works in laptops optical drive bay of Lenovo Thinkpad T440p T540p t540 w540 W540p W541 only; | This device accepts 2.5" inch 9.5mm / 7mm high or less SATA HDD / SSD; | Notice: Not compatible with any other Dell models laptops. We have different caddies for the other Dell laptops. Please email us if you need assistance in locating the correct caddy for your laptop model.