Name: Model Number:MR-9100 External Interface:USB Specified HDD internal enclosure for 7mm/ 9.5mm thickness of 2.5 inches SATA HDD/,the whole case is used for PCI slot of PC.High speed SATA cable ensures up to 6Gps transmission rate.Using full metal material for heat dissipation and structure,fully protect your hard disk.Security lock + key design for keeping the drives secure in this enclosure.Removable drive case for easy installation and maintenance,no install driver required Colour:Black material:metal Size:about 140 x 120 x 15mm Package Contents: 8 x PCI HDD Case (HDD/ is NOT included.) 8 x SATA Cable 8 x Screw for Mobile Rack 8 x Screws Kit for HDD 16 x Security Key 8 x User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.