2U 2xPCI 32bit (with ribbon) 1 x PCI-Express 16X left angle riser card 2U-32 -R_EXP
PCI Express - Wikipedia
TSV PCIe Sound Card for PC Windows 10, PCI Express Desktop Sound Adapter with Low Profile Bracket, 3D Stereo PCI-e Audio Card, CMI8738 Chip 32/64 Bit Sound Card for Windows XP /