Hardwareoverclock Austria has reviewed Mushkin's DDR2 kit HP2-6400 CL4-5-4-11 (996533). This are 800 MHz memories with low latency of 4-5-4-11. The default Volt settings with this spezification are 2,^1 Volt. With 2,4 Volt and better cooling we have overclocked them up to 1066 MHz.