Samsung Retail Box-SE-218GN/RSBD 8X DVDRW External Ultra Thin Drive, Mac/PC Compatible + USB Coupler Top Button Type: LED and eject button are placed on the top surface Drive Height: Ultra Slim 14mm Loading Type: Tray Interface: USB2.0 (3.0 Compatible) Buffery Memory: 0.75MB, External DVD Writer; supports a wide variety of disc formats Bonus: USB 2.0 A Female to A Female Coupler Adapter