I have the Gigabyte GA EP45-UD3P and recently installed the Asus Xonar 1.3 Deluxe into my system. Because of the length and the position of the Xonar I have had to remove 2 sticks of ram so i am left with 2 slots out of 4. I had installed 2 kits of Corsair TWIN2X2048-6400C4 2GB (2x1GB) DDR2 1GB at the latencies of 4-4-4-12. I would like to replace this with a 2 x 2GB Kit and was looking for recommendations on what works on this motherboard. i was looking at OCZ DDR2 PC2-8500, 1066 MHz, Platinum Series, 5-5-5-18, 4GB Dual Channel or the Corsair TWIN2X4096-8500C5D 4GB (2x XMS2 2GB), PC-8500 (1066MHz) DDR2 RAM
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I second the G.Skill - I have 8G of it on a DS5, at 1080, a tenth volt under spec; I have also walked two people here with it through mild overclocks, both got 1066 under 2.1; and, it's pretty reasonable - I think I paid about $75-80 for it six months ago...