Lian Li Hard Drive Converting Kit 3.5 TO 2.5 Inch #HD-322X All Black Model Model: HD-322X Aluminum structure Designed for Lian Li case with patented tool-less HDD cage system Convert one 3.5" bay to 2 x 2.5" bays Including anti-vibration rubber ring for use with Lian Li patented tool-less HDD cage system Note: check your Lian Li case"s HDD cage width first, before purchase this HDD cage. 112mm x 125mm x 25mm ( W, D, H)