Futurelook checked out Corsair Dominator 4GB 1600MHz DDR3 Dual Channel Memory
A quote from the article:
>> Corsair Dominator 4GB 1600MHz DDR3 Dual Channel Memory Review
Every so often we receive questions from readers asking for a recommendation on some new dual channel DDR3 compatible with P55 motherboards. It can be confusing to figure out what would be "enough" to get the job done. Basically, that depends on the purpose of the system and if overclocking might be something you'll tinker with in the near future.
>> Corsair Dominator 4GB 1600MHz DDR3 Dual Channel Memory Review