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You don't need a massive case to cram in tons of computing muscle. With a little help from a few manufacturers, our excessively-overclocked GeForce GTX 580 SLI build is small enough to sit atop most desks (and smoke our $2000 SBM machine).

Because integrated GPUs generally employ shared system memory, RAM performance has a significant effect on gaming frame rates. We're testing seven 8 GB DDR3 kits that manufacturers tell us are a perfect match for AMD’s mainstream Llano-based APUs.

Intel’s newest platform lineup has the same memory requirements as P55 Express, yet some of the modules available for it are rated differently. We discuss those differences on our quest to find the best performance/price in an 8 GB dual-channel kit.

High-end RAM prices have fallen far faster than they have in the mainstream market, enticing mid-budget builders. As 4GB mainstream kits hover around $100, Tom’s Hardware asks the question “How much more can we get for a few dollars more?”