Best prices on Rs232 usb converter in Computer Cables & Adapters. Check out BizRate for great deals on Computer Cables & Adapters from IOGear, Aluratek and Cables Unlimited. Use BizRate's latest online shopping features to compare prices for Rs232 usb converter. Read product specifications, calculate tax and shipping charges, sort your results, and buy Computers & Software with confidence. Easily narrow your search and find the product that's perfect for you: Cables Unlimited USB2920 USB to Serial Adapter - USB 1.1 to RS232 Serial DB9 Cable Converter Adapter.