ORICO HD-BR35SS &uml;CBK Full Aluminum 5.25 inch to 3.5 inch Hard Drive Bay Converter Adapter 3.5 to 5.25 Hard Drive Mounting Bracket (5.25 to1x3.5 with Meshed Panel in Black) Compatible with SSD and normal HDD Compatible with SATA and IDE interface The hole is same as 5.25" CD-ROM specification, as long as the space is suitable for CD-ROM, so does Hard Drive Rack No matter ordinary chassis or screw less chassis, both are perfectly suitable Support one 3.5" HDD, convenient to upgrade and future expansion