Full Details from Amazon.com : http://www.amazon.com/gp/product/B0017SA5ZY?tag=onigi-20<br /><br />OCZ OCZ2P10664GK DDR2 PC2-8500 1066 MHz Platinum Series 4 GB Dual Channel Memory Kit<br /><br />Platinum-Mirrored XTC Heatspreader <br />EPP 5-5-5-18CAS-TRCD-TRP-TRAS <br />1066MHz DDR2?Unbuffered <br />21 - 22V240 Pin DIMM <br />Available in 2 GB Modules and 4 GB 2x2048MB Dual Channel
