SilverStone Olympia OP650 650W: With time we have seen computers go from a single GPU and processor to dual and quad core CPUs with a number of different options for multi-GPU systems. As we have shoved more and more into our systems, the power supplies have gone from a single +12V rail to multiple +12V rails. Dual +12V rails has been very common in recent years, while recently at Phoronix we had looked at a few quad +12V rail power supplies such as the SilverStone Zeus 750W and the OCZ GameXStream 700W. However, the more +12V rails does not necessarily make a better power supply. What we are looking at today is one of SilverStone's newest power supplies, which was recently on display at the Consumer Electronics Show. The SilverStone Olympia OP650 is a 650W power supply that supports both the current 6-pin PCI Express power connector as well as the new 8-pin version, and supports 54 Amps on its single +12V rail.
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