ART USBPHONOPLUSPS Audio Interface w/Phono, Line, SPDIF, Optical – Easy Music Center
Sound Devices USBPre 2 USB Audio Interface - Sound Productions
MOTU 8D AES3/SPDIF/USB/AVB-TSN Audio Interface with DSP - Sound Productions
Douk Audio U2 XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD64: Amazon.com: Industrial & Scientific
Optimal Shop USB 2.0 External Sound Card 6 Channel 5.1 Surround Adapter Audio S/PDIF for
QULOOS QU02 USB Digital Audio Interface to SPDIF AES/EBU I2S Supporti
MOTU 8D AES4, S/PDIF USB Audio Interface | Reverb
TASCAM US-144MKII USB AUDIO INTERFACE 2x mic/line in, S/PDIF, MIDI I/O, line, monitor out
Matrix X-SPDIF 2 USB Interface – Apos Audio
Matrix Audio X-SPDIF 2 USB Interface
Amazon.com: StarTech.com USB Sound Card w/ SPDIF Digital Audio & Stereo Mic – External Sound Card for Laptop or PC – SPDIF Output (ICUSBAUDIO2D),Black : Electronics
RME Digiface AES USB Audio Interface with AES/SPDIF/ADAT/Analog I/O - Vintage King
LiNKFOR USB to SPDIF Coaxial RCA and 3.5mm Headphone Jack Converter – LiNKFOR Store
audio interfaces - S/pdif ports - Should/can I use them? - Sound Design Stack Exchange