Realworld Cintre Ci-355Su2 3.5 Dual Interface (Sata To Sata & Usb 2.0) Hd Device Type - 3.5" SATA Hard Drives Dimensions WxDxH - 4.75" x 8.25" x 1.75" Removable Storage Type - External Dimensions WxDxH - 4.75" x 8.25" x 1.75" Dimensions WxDxH - 4.75" x 8.25" x 1.75"