The 7950 GX2 is the fastest card available for a single slot motherboard, full stop. However, calling it a single GPU is misleading and anyone considering purchasing one should be aware of its caveats – mainly that games requires an SLI profile and that it can't run dual monitors without tediously disabling "Dual GPU" mode.
At around the £400 mark, this is a lot to pay for a graphics card and unlike running SLI, which can be split up into two manageable chunks – this must be paid for all at once. I would only consider doing so if I didn't have an SLI motherboard, or had the full intention of upgrading to Quad SLI in the future. For most people, a single 7900 GT and then adding a second in six months time would offer better value for money.
All in all though, this is not the disappointment I thought it would be. It's fast, quiet and the price is competitive for the performance.
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