BYTECC U3CR-2SD USB 3.0 USB 3.0 SD Card Reader/Writer Installation Type: External Support - MMC: Yes Support - SD: Yes Support - xD: Yes Slots: 2 Compatibility: Compitable with SD/SDHC/SDXC/MicroSD/MicroSDHC/ MicroSDXC/MMC/XD/TF memory cards Dimensions: 0.47 x 1.38 x 2.36 Color: Black