Trust Card Reader-Writer Pro USB2 725. Compatible memory cards: Mini SD, MMC, MS Duo, MS Pro, MS Pro Duo, MS Select, SD. Write speed: 480 MB/s, Read speed: 480 MB/s. Bundled software: CD-ROM drivers & manual. Dimensions (WxDxH): 92 x 60 x 15 mm. Minimum processor: Intel Pentium / PowerPC, Compatible operating systems: Windows 98SE, ME, 2000, XP / Mac OS 9 -10