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Green PCIe x1 card with silver metal bracket, multiple 3.5mm jacks and SPDIF ports

SMUGDESK

SMUGDESK CM8828 7.1 Channel PCIe x1 Sound Card

SKU CH-3Q8A-HPGH5

Adds 7.1 surround audio via PCIe x1 with 24-bit 192 kHz playback, 100 dB SNR and SPDIF digital output

  • Full 7.1 surround sound for immersive gaming and home theater
  • 24-bit 192 kHz resolution with 100 dB SNR delivers pure audio detail
  • SPDIF optical and coaxial ports enable lossless digital output
  • ASIO driver and Xear software support recording and sound-field tuning
  • PCIe x1 plug-and-play fits any desktop motherboard

PCIe x1 7.1 Channel Sound Card

The SMUGDESK CM8828 is an internal audio adapter that adds full 7.1 surround output to a desktop PC through a standard PCI Express x1 slot. It is built around the C-Media CM8828 chip and targets gamers, music listeners and home-theatre builders who want richer detail than typical onboard audio provides.

Check Your Motherboard Slot and Speaker Plan

Verify that a free PCIe x1 slot is available on your desktop motherboard; the card will not fit laptops or small-form-factor systems without that slot. The metal bracket provides multiple 3.5 mm analog jacks for front, rear, side, centre and subwoofer speakers plus microphone and line-in, so confirm your speaker system uses 3.5 mm connectors. An SPDIF optical and coaxial port is also present for digital receivers.

Thermals, Noise and Power Draw

The card draws power directly from the PCIe x1 slot and has no active cooling, so it adds no fan noise to the chassis. Typical operation stays within the slot’s modest power budget and produces no measurable heat increase inside the case. With up to 100 dB signal-to-noise ratio and ultra-low harmonic distortion, electrical interference from the motherboard is largely eliminated for cleaner playback and recording.

Highlights

  • Full 7.1 surround sound for immersive gaming and home theater
  • 24-bit 192 kHz resolution with 100 dB SNR delivers pure audio detail
  • SPDIF optical and coaxial ports enable lossless digital output
  • ASIO driver and Xear software support recording and sound-field tuning
  • PCIe x1 plug-and-play fits any desktop motherboard

Specifications

No published specifications for this item yet.

Questions about this item

Does the card include the SPDIF cable or do I need to buy one separately?

The card provides both optical and coaxial SPDIF ports on the metal bracket; cables for those connections are not included and must be purchased separately.

Should I choose this CM8828 7.1 card over a 5.1 model for my 5.1 speaker set?

Yes — the CM8828 card outputs full 7.1 channels and is backward compatible with 2.1, 4.1 and 5.1 speaker systems, so it will drive your 5.1 set without issue.

Will the 24-bit 192KHz 100dB spec actually improve sound on a typical desktop?

The CM8828 chip delivers up to 24-bit 192KHz playback and recording with 100dB signal-to-noise ratio, reducing motherboard noise and distortion for cleaner audio in games, music and home-theatre use.

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