
The following cards are (or were) available in PCIe x1 or in PCI that could crunch via CUDA (# of shaders in parentheses):
in PCI:
8400 GS (16)
8400 GS rev.2 (8)
8500 GT (16)
8600GT (32)
9400 GT (16)
9500 GT (32)
9600 GS (48) -- OEM only
G210 (16)
Fermi cards
GT 430 (96) -- Double precision capable
GT 520 (48) -- Double precision capable
GT 610 (48) -- Double precision capable
GT 620 (48 or 96) -- Double precision capable
Gt 630 (96) -- Double precision capable
in PCIe x1
8400 GS rev.2 (8)
G210 (16)
Quadro NVS 290 (16) -- same as 8400 GS
Quadro NVS 295 (8) -- same as 8400 GS rev.2
Quadro NVS 300 (16) -- same as G210
Quadro NVS 420 (8 x2) -- same as two 8400 GS rev.2
Fermi cards
GT 520 (48) -- Double precision capable
GT 610 (48) -- Double precision capable