Masterizzatore Blu-ray USB 3.0 esterno HL BT20N 6x BDXL lettore 3D Writer unità DVD RW
The burner is composed of two parts, one is SATA internal BT20N BT30N BD burner, another is SATA-usb 3.0 case, i have put the burner into the case. Thus it is an USB 3.0 external Slim Drive BT30N BT20N.