Sonnet SD-SXS-E34 Internal ExpressCard card reader - card readers (SDHC, ExpressCard, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x, 34 x 75 x 5 mm, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion)