Transcend RDF8. Compatible memory cards: CF, MicroSDHC, MicroSDXC, SD, SDHC, SDXC, Product color: Black, Compatible operating systems: Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows 10 Mac OS X 10.2.8 or later Linux Kernel.... Interface type: Micro-USB. Power source type: USB, Input voltage: 5 V. Windows operating systems supported: Windows 10, Windows 7, Windows 8, Mac operating systems supported: Mac OS X 10.2 Jaguar, Linux operating systems supported: Kernel 2.6.31. Width: 2.66" (67.6 mm), Depth: 0.598" (15.2 mm), Height: 1.77" (45 mm)