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PCIe Sound Card for PC Windows,5.1 Internal Sound Card with Low Profile Bracket, 3D Stereo PCI-e Audio Card,CMI8738 Chip 32/64 Bit for Windows 7/8/10
Optimal Shop

Optimal Shop PCIe Sound Card for PC Windows

Bottom line: The Optimal Shop PCIe Sound Card for PC Windows ($18.99 on Amazon as of 2026-10-06): Low-profile bracket included for 2U and slim desktop cases; main trade-off: onboard Realtek audio must be disabled manually to get sound.

$18.99

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Buy on Amazon — $18.99 Compare to similar sound cards

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Low-profile bracket included for 2U and slim desktop cases
  • ✓ 5.1 channel output for surround setups without a receiver
  • ✓ CMI8738 chip supports legacy A3D, EAX and HRTF 3D audio
  • ✓ Ships with driver CD for Windows XP/7/10 installs

Cons

  • ✗ Onboard Realtek audio must be disabled manually to get sound
  • ✗ 16-bit internal decoder, not a 24-bit hi-res audio path
  • ✗ Driver CD is awkward on machines with no optical drive
  • ✗ No listed support for Windows 11 or modern surround codecs

Manufacturer description

NOTE:If there is not voice form the pcie sound card, please disable your local sound device.Specific steps are as follows：1, Right click "computer".2, click "manage".3, click "device manage".4, Right click your local device " Realtek High Definition Audio ".5, Click " disable device".Package List:1x PCIe Sound Card1x Low Profile Bracket1x CD DriveNote:If you have any product problems, please contact us.

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SpecPicks Verdict

SpecPicks scored Optimal Shop PCIe Sound Card for PC Windows using a rating × review-volume × price-fit model applied to published specs and reviews across the sound cards category. Optimal Shop's sound cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for sound cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • PCIe sound card, 5.1 stereo audio card.
  • Easily convert the PC into a cinematic entertainment system by providing a 5.1 3D stereo surrounding sound.
  • With low profile bracket for 2U case, your best choice of sound card for PC desktop.
  • 16-bit multimedia digital signal editing decoder inside, Supports 32/64-bit audio processing, recording and playback.
  • Supports direct sound, A3D and EAX, HRTF 3D tone. Supports Windows XP / 7 / 10.

Full Specifications

BrandOptimal Shop
PlatformWindows 7, Windows XP
Model Number8541594818
CompatibilityPC
Mfr Part Number8541594818
Audio Output ModeSurround
Hardware PlatformPC
Compatible DevicesPersonal Computer
Hardware InterfacePCI
Maximum Sample Rate96 KHz
Hardware ConnectivityPCI
Signal-to-Noise Ratio10 db
Surround Sound Channel Configuration5.1
Full listing titlePCIe Sound Card for PC Windows,5.1 Internal Sound Card with Low Profile Bracket, 3D Stereo PCI-e Audio Card,CMI8738 Chip 32/64 Bit for Windows 7/8/10

Ready to buy?

PCIe Sound Card for PC Windows,5.1 Internal Sound Card with Low Profile Bracket, 3D Stereo PCI-e Audio Card,CMI8738 Chip 32/64 Bit for Windows 7/8/10 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $18.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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PCIe Sound Card for PC Windows,5.1 Internal Sound Card with Low Profile Bracket, 3D Stereo PCI-e Audio Card,CMI8738 Chip 32/64 Bit for Windows 7/8/10
$18.99
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