StarTech 2SD4FCRU3C USB 3.0 (5 Gbit/s) Dual-Slot SD Card Reader/Writer - USB 3.0 with USB-C - SD 4.0, UHS II Installation Type: External Support - MMC: Yes Support - SD: Yes Slots: Drive Connectors: 2 x SD / MMC Slot Female External Ports: 2 x SD / MMC Slot Female Host Connectors: 1 x USB Type-C (24 pin) USB 3.0 Receptacle Other Interface(s): 1 x USB Micro-B (5 pin) Receptacle Compatibility: Memory Media Type: SD/MMC (Secure Digital/Multimedia Card) SDHC (Secure Digital High Capacity) SDXC (Secure Digital eXtended Capacity) OS Compatibility: OS independent; No software or drivers required Dimensions: 0.50 x 2.70 x 4.20 Color: Black Package Contents: 1 x dual-slot SD card reader 1 x quick-start guide