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Separating The Wheat from the Chaff: The Latest DDR2 Modules Tested

PQI 2-5400

The second pair of modules from PQI is specified for DDR2-667 and had the same SPD error as the 4300 DIMMs: instead of values for 266 and 333 MHz, we found the timings for 266 MHz twice.

Unlike the PC2-4300 DIMMs from the same manufacturer, these DIMMs only mustered timings of CL4-4-4-11 at DDR2-533. That is likely the flip side of the enhanced overclockability, as the results were no better when we varied the supply voltage.

At DDR2-667 and DDR2-710 the fastest combination of parameters we could set was CL5-4-5-11 - not super-speedy, but acceptable nonetheless.