Companies like Alienware and Falcon Northwest have been touting Quad SLI configurations in their high-end systems for a while, but enthusiasts have thus far been deprived of the ability to build their own four-GPU setup. NVIDIA launched the dual-PCB GeForce 7950 GX2 last month, and the card seemed ripe for Quad SLI. However, NVIDIA cryptically stated that Quad SLI support would initially be disabled due to the "complexity" involved.
A month and a half later, NVIDIA has finally released a beta ForceWare 91.37 driver that brings Quad SLI support to the GeForce 7950 GX2. NVIDIA says two GeForce 7950 GX2 graphics cards can now be used in tandem in a single machine, although the company warns users to double-check motherboard compatibility and verify that their power supply is up to the task before running such a setup. Recommended power supplies range from 700W to 1,000W models and even include some dedicated graphics PSUs such as Fortron's 300W BoosterX 3.
To coincide with the new beta driver release, HardOCP scored an interview with NVIDIA's SLI Product Manager Chris Daniel. In the interview, Daniel provides some additional insight on the GeForce 7950 GX2's design, its capabilities, and the implications of running a Quad SLI setup.
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