I have ddr2 800 can i also run ddr2 1066 at the same time Tags: Memory DDR2 Last response: May 29, 2009 2:11 PM in Memory Share heroofspirits May 29, 2009 4:59:00 AM hi there at the moment i am running 1066 ddr2 memory. is it possible to have ddr2 800 running on my board at the same time? just want to know cause i have 4 gig of 800 laying on my desk winking at me going "make your computer faster by putting me in " but afraid that if i do that ill blow something up. specs are up to scratch in my signature cept for the cpu which i am pushing at 4.55 ghz thanks for any help in advance! More about : ddr2 800 run ddr2 1066 time | E-mail me updates | Report abuse Register or log in to remove cjl Memory Expert May 29, 2009 6:10:27 AM It should work, but all of your memory would be running at the speed of the slower memory. What voltage are you running on that E8500 by the way? | Report abuse heroofspirits May 29, 2009 6:32:43 AM cjl said:It should work, but all of your memory would be running at the speed of the slower memory. What voltage are you running on that E8500 by the way? 1.386xxx the xxx means the aditional numbers in bios. cant remember what they are. cant tell you through real temp though cause have just down clocked to test out some things, dam bsods... will post back here though when i do put it back up. | Report abuse heroofspirits May 29, 2009 2:11:15 PM ok then will leave as is | Report abuse Register or log in to remove Ask the community Publish Tom's Hardware>Forum>Memory>I have ddr2 800 can i also run ddr2 1066 at the same time> Related ressources: ForumDDR2 Ram 800 Mhz and DDR2 1066 Mhz in same Mobo...? ForumDDR2 1066 with DDR2 800 in same Mobo? Forumwhat happens if i run ddr2 800 2x1gb+ ddr2 1066 2x 1gb ForumIs 2gb ddr2 running at 1066 mhz in dual mode better than 3gb at 800 mhz ForumDDR2 1066 Mhz or 800 Mhz ForumDDR2 RAM: Better performance with 5GB @ 800 MHz or 4GB @ 1066 MHz? ForumDDR2 1066 module unstable. OK at 800 ForumOverclocking DDR2 from 800 Mhz to 1066 Mhz, is it worth the risk? ForumDDR2 PC2 8500 1066 mhz read as PC2 6400 800 mhz ForumKingston ddr2 800 vs 1066 help ForumAM2+ and DDR2 , should I go with 4 GB of 1066 or 6 GB of 800 ? ForumDDR2 800 with DDR2 1066 Question ForumDDR2 800 vs DDR2 1066 ? Forum3-4-3-9 DDR2 800 or 5-5-5-15 DDR2 1066 ? ForumDDR2 1066 detected as DDR2 800 , by bios. ForumASUS P8z77-V Question???? ForumDDR2 or DDR3??? ForumI have some questions ForumDDR2 and Vista ForumCant hit bus 1066 now it is 800 (ram kingston 2gb/1066) More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !