Support 2.5' hard drives (SSD and HDD) and fits all popular PC casings Fit for two 2.5' drives providing valuable space for additional PC components Realizing fast and interference-free data and power transmissions The top speeds up to 6 Gbps. Downwards compatible with SATA I & II Accessories: 1 x Mounting Kit, 1 x Screw Driver, All Screws Needed, 1x 4 Pin to Dual 15 Pin SATA Power Cable(16 cm), 1x 15 Pin to Dual 15 Pin SATA Power Cable(16 cm), 2x SATA Data Cables(48 cm)