Specifications: Type: Drive DVD/CD Burner Loading: Tray-Loading Interface: USB 3.0 Reading Speed (max.) BD: 6x, DVD: 8x, CD: 24x Writing Speed (max.) DVD-R: 8x, DVD+R: 8x DVD-R DL: 6x, DVD+R9: 6x DVD-RW: 6x, DVD+RW: 8x DVD-RAM: 5x CD-R: 24x, CD-RW: 16x USB 3.0 Interface With USB 3.0 technology which provides high speed data transmission rate with more stable performance Detachable Design The outer case and Optical Disk Drive(ODD) is separable to accommodate for a 9.5 mm mobile Hard Disk Drive(HDD) Dual USB Cables One USB 3.0 cable for usual connection and another USB 2.0 cable for extra power supply Easy Operation Plug and play; No external power supply and driver needed Package included : 1 X USB3.0 External Optical Drives 1 X USB3.0 Cable 1 X User Manual