DDR2 compatable with DDR3? Tags: Memory DDR2 DDR3 RAM Motherboards Product Last response: March 6, 2011 5:09 AM in Memory Share Purina March 6, 2011 4:34:20 AM Got a pal that has this motherboard (240pin ddr2 - 1066 ram): http://www.newegg.com/Product/Product.aspx?Item=N82E168... I just got some new ram and am thinking of giving him my old ram, here it is (240pin ddr3 - 1333 ram): http://www.newegg.com/Product/Product.aspx?Item=N82E168... He currently has this ram: http://www.newegg.com/Product/Product.aspx?Item=N82E168... Can he use the ram I am wanting to give him and if so will he see much of a performance increase? Thanks for your help in advance. More about : ddr2 compatable ddr3 jsc a b } Memory a c 156 V Motherboard March 6, 2011 4:57:13 AM No. DDR2 and DDR3 are physically and electronically incompatible. m 0 l Leaps-from-Shadows a b } Memory a c 107 V Motherboard March 6, 2011 5:01:37 AM Confirming that the "key" slots are in different positions on DDR2 and DDR3 so they cannot be interchanged. m 0 l Can't find your answer ? Ask ! Get the answer Purina March 6, 2011 5:09:54 AM well heck ,that blows. Thanks for the speedy reply. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedGraphics Card with DDR3 Memory on DDR2 Motherboard Compatibility Forum SolvedWill DDR2 be compatible with DDR3 Forum Does PCI Express 3.0 means it's only compatible with DDR3 videocards and not ddr2? Forum is my cpu 64-bit compatible-2 quad q9550,and which better 8gb ddr2 or 4gb ddr3? Forum My ram is ddr1 is ddr2 or ddr3 compatible Forum Are ddr2 and ddr3 memory boards compatible? Forum DDR2 and DDR3 compatibility problems Forum Intel mother board ddr3 compatability with ddr2 Forum Is ddr3 compatible with ddr2 motherboards Forum DDR3 vs DDR2 compatibility problems Forum Radeon HD 4650 DDR2 compatible with DDR3 Motherboard? Forum DDR3 compatible with motherboard DDR2? Forum SolvedDDR2 or DDR3??? Forum SolvedRadeon HD 5550 1gb ddr2 vs nvidia 8600 gt oc 512gb ddr3? Forum Solvedddr3 graphics card supports ddr2 motherboard Forum Solvedi have a motherbord its support DDR2 ram chip am planng to update my graphics card DDR3 graphics card is it work my DDR2 suppo Forum SolvedIs it worth upgrading to 4GB DDR3? (From 2GB DDR2) Forum SolvedDDR2 vs DDR3 RAM Forum SolvedAre there motherboards supporting DDR2 and DDR3 RAM? Forum SolvedChanged DDR2 to DDR3 on combo mobo, not working, beeps when booting. Forum More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !