Slim USB 24x External/Portable CD-ROM Drive For ASUS EEE PC Acer Aspire USB External slim 24X CD-ROM Max Buffer size: 128KB Support disk format: CD-ROM/XACD-DACD-IKaraoke-CDCD-PlusPhoto-CDVideo-CDCD-ExtraCD-RCD-R WInterface: USB2.0 (Compatible with USB1.1) Support windows 98/ME/2000/XP/Vista