iogear GFR204SD. Compatible memory cards: microSDHC, SD, SDHC, SDXC, Product color: Green. Weight: 0.32 oz (9.07 g). Package weight: 1.28 oz (36.3 g). Compatible operating systems: Windows XP, Windows Vista, Windows 7 Mac OS X v10.3.9 +. Dimensions (WxDxH): 0.625 x 2.37 x 0.312" (15.9 x 60.3 x 7.94 mm), Package dimensions (WxDxH): 0.687 x 4.62 x 6.5" (17.5 x 117.5 x 165.1 mm)
iogear GUH285W6. Data transfer rate: 480 Mbit/s, Product color: Black. Compatible operating systems: Windows 2K, XP, Vista / Mac OS X v10.3.9 +. Weight: 0.8 oz (22.7 g). Cables included: USB. Interface: USB, Dimensions (WxDxH): 3.7 x 1.18 x 0.35" (94 x 30 x 8.89 mm)