techPowerUp posted a review on the OCZ PC2-5400 Platinum EB memory in english and german

Right now, DDR2 is only available to the Intel Platform. The biggest drawback people are complaining about, is that DDR2 is running at slower timings than traditional DDR. That is why OCZ, who have always been designing products with the enthusiast in mind, came up with a memory that can run at 667 MHz but at tighter timings than the standard JEDEC Spec. The maximum clock we could get out of the memory at 2.4V was DDR726 at Timings of 4-2-2-8.

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