StarTech .com USB 1.0/1.1 (ICUSBAUDIO7D) Sound Card for sale online | eBay
StarTech.com 7.1 USB Audio Adapter External Sound Card (ICUSBAUDIO7)
StarTech.com 7.1 USB Audio Adapter External Sound Card w SPDIF (ICUSBAUDIO7D)
Amazon.com: Creative Sound Blaster X4 Hi-Res 24bit/192kHz External USB DAC and Amp Sound Card, Super X-Fi, Multi-Channel, 7.1 Discrete Surround, Optical-in, Optical-out, Line-in, Mic-in, Headset-in for PC and Mac : Electronics