MSI StarReader mini, 0.882 oz (25 g), 480 MB/s, 480 MB/s, Windows XP(SP2)/2000(SP4)/VISTA/ME/98SE, 2.99 x 1.18 x 0.315" (76 x 30 x 8 mm), USB MSI StarReader mini. Weight: 0.882 oz (25 g). Write speed: 480 MB/s, Read speed: 480 MB/s. Compatible operating systems: Windows XP(SP2)/2000(SP4)/VISTA/ME/98SE. Dimensions (WxDxH): 2.99 x 1.18 x 0.315" (76 x 30 x 8 mm), Minimum system requirements: USB