SAMSUNG TSST Ultra-Slim Optical 8X DVD Rewriter Drives SE-218GP/RSBN with Free Nero DVD Player Software, M-Disc Support, MAC OS X Compatible Free Nero DVD Movie Player Software Top Button Type: LED and eject button are placed on the top surface Drive Height: Ultra Slim 14mm Interface: USB2.0 (3.0 Compatible) Smart Power and Buffer Under Run Free Technology FREE Voucher included to download DVD Player Software from Nero Website