StarTech.com Portable 7-in-1 USB 2.0 Flash Card Reader / Writer, 5.11 oz (145 g), 7.41 oz (210 g), 480 MB/s, 480 MB/s, Windows 98SE/2000/ME/XP/Server 2003 & up Mac OS X & up, 6.3 x 2.44 x 0.602" (160.1 x 62 x 15.3 mm) StarTech.com Portable 7-in-1 USB 2.0 Flash Card Reader / Writer. Weight: 5.11 oz (145 g). Package weight: 7.41 oz (210 g). Write speed: 480 MB/s, Read speed: 480 MB/s. Bundled software: Windows 98SE/2000/ME/XP/Server 2003 & up Mac OS X & up. Dimensions (WxDxH): 6.3 x 2.44 x 0.602" (160.1 x 62 x 15.3 mm)