Full Details from Amazon.com : http://www.amazon.com/gp/product/B003BYRLEA?tag=onigi-20

Corsair Dominator 4GB (2x2GB) DDR3 1600 MHz (PC3 12800) Desktop Memory (CMP4GX3M2A1600C8)

Ultra-high performance 4 GB DOMINATOR kit for Intel Core i3 i5 i7 Dual Channel processors
1600MHz 8-8-9-24 165V with Intel XMP support
Two matched 2 GB modules for use in high performance Intel Core i3 i5 i7 Dual Channel systems
Intel XMP Extreme Memory Profile Support
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