More cards added.
GTS 450 (specs list 1gb) so should work.
Also
GTS 430 which isn't released yet but lists 1gb Vram, looks like a 460 variant. It's only $86.70 so might be one of the cheaper options that should work (obviously I haven't tested it yet). It is almost a single slot (the heatsink/fan goes abot the line, but the backplate is single slot, so might be a decent physx GPU...
Actually, the GT 430 (there is no GTS 430) is already shipping and already at some retailers. It does have 1GB of VRAM - but it's only 128-bit DDR3 memory. The GT 430 chip is a different chip from either the GTS 450 or the GTX 460 - it is a GF108, which has only 96 CUDA cores. The chip used in the GTS 450 is the GF106, with 192 CUDA cores. There is currently no GDDR5 variant of the GT 430. As such, don't expect the GT 430's performance to be any faster than the DDR3 variant of the outgoing GT 240. And as someone has tested both the DDR3 and the GDDR5 variants of the GT 240 has proved, the DDR3 variant would have been about 30% slower than the GDDR5 variant of the same GPU in Premiere Pro CS5's GPU mode.
All GTS 450s use 128-bit GDDR5 memory.
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