SIIG SuperSpeed USB 3.0 Multi-Slot Card Reader/Writer (JU-MR0712-S1) Adds a SuperSpeed USB 3.0 multi-slot card reader/writer to your USB 3.0 enabled system Supports SuperSpeed USB 3.0 data transfer rate up to 5Gb/s Supports the latest and high capacity memory cards currently in the market Supports SDXC; MSXC up to 2TB Chipset: Realtek RTS5301