The Crucial Ballistix PC3-12800 CL8 4GB DDR3 RAM kit contains two 2GB modules, which just needs a little voltage increasement to operate at DDR3-1600 CL8.
In the current review we will see, how far the memory modules can be overclocked and how the kit performs against other memory modules.

Crucial Ballistix 4GB Kit DDR3-1600 CL8 BL2KIT25664BN1608 Memory Review