Measures: 168mm x 57.5mm x 197.71mm USB 2.0 Connection Interface 2MB Buffer Memory Write Speeds 24x for DVD+R/-R, 12x for DVD-RAM and DVD+R/-R DL, 8x for DVD+RW, 6x for DVD-RW, 48x for CD-R and 24x for CD-RW. Weight: 1.1kg Lite-On eHAU424 24x External DVD Writer Price: $50.