StarTech.com ICUSB2324, USB, RS-232, 0,921 Gbit/s, 256 B, 1,5 W, 0 - 55 °C StarTech.com ICUSB2324. Host interface: USB, Serial interface type: RS-232. Data transfer rate (max): 0,921 Gbit/s, FIFO (First In, First Out): 256 B. Power consumption (typical): 1,5 W. Width: 150 mm, Depth: 66,5 mm, Height: 26 mm. Cables included: USB