CMI8738 PCI Sound Card
Buy on Amazon
The CMI8738 is a budget-friendly internal PCI sound card designed to bring 4.1 channel surround audio to desktop computers that lack adequate onboard audio. Powered by the CMI8738 chipset, it supports full-duplex operation meaning it can handle simultaneous playback and recording without switching modes. It is a practical, no-frills solution for users seeking a modest but reliable upgrade to their system's audio capabilities.
Key Features & Specs
| Audio Channels | 4.1 channel stereo surround sound output |
|---|---|
| Chipset | C-Media CMI8738, a widely supported and stable audio chipset |
| Interface | PCI slot installation, compatible with standard desktop motherboards |
| Duplex Support | Full-duplex operation allows simultaneous audio playback and recording |
| Compatibility | Works with most Windows operating systems including XP, 7, and 10 |
| Use Case | Suitable for digital modes, software-based radio, and general audio interfacing |
| Form Factor | Internal card requiring an available PCI slot on a desktop motherboard |
Best for: Desktop PC users who need an affordable internal audio upgrade for digital modes, amateur radio software, or general sound improvement on systems with weak or failed onboard audio.