SIIG SoundWave 4 Channel PCI dual profile surround sound card fits in low profile and standard height chassis.
Specifications
General 
Device Type: Sound card - low profile

Form Factor: Internal

Interface Type: PCI
Audio Output 
Sound Output Mode: Stereo/FourPoint

DAC Resolution: 16-bit

Compliant Standards: DirectSound3D, A3D
Expansion / Connectivity 
Interfaces: 1 x microphone - mini-phone 3.5 mm ¦ 1 x audio line-in - mini-phone stereo 3.5 mm ¦ 1 x audio line-out - mini-phone stereo 3.5 mm ¦ 1 x speakers (rear) - mini-phone stereo 3.5 mm
Miscellaneous 
Included Accessories: Low-profile bracket

Compliant Standards: ACPI, PC 99, FCC Part 15, RoHS
Software / System Requirements 
Software: Drivers & Utilities

OS Required: Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows XP 64-bit Edition, Microsoft Windows Server 2003, Microsoft Windows Vista, Microsoft Windows Server 2003 x64 Edition, Microsoft Windows Vista (64-bit versions)

Peripheral / Interface Devices: CD-ROM

System Requirements Details: Pentium II - 266 MHz - RAM 64 MB
Manufacturer Warranty 
Service & Support: 5 years warranty

Service & Support Details: Limited warranty - 5 years