Are old DDR sticks compatible with new DDR2 motherboards? Tags: Memory DDR2 DDR Compatibility Motherboards Last response: January 21, 2007 4:50 AM in Memory Share airPA75 January 20, 2007 10:47:48 PM I have been shopping around trying to build a new system. To save a few bucks at the beginning I was hopping to use my old DDR 400 sticks until I can upgrade later. Can I do this? More about : ddr sticks compatible ddr2 motherboards John_C January 21, 2007 1:34:05 AM Sorry. DDR Ram has 184 pins. DDR2 RAM has 240 pins. Want to guess the likelihood of successfully getting your 184 memory to work in a 240 pin slot? Valtiel January 21, 2007 3:45:12 AM Hmmm, 184 divided by 240 = 0% chance. Can't find your answer ? Ask ! Get the answer Giraffe January 21, 2007 4:50:05 AM Quote:Hmmm, 184 divided by 240 = 0% chance. well you learn something everyday I thought 184 divided by 240 = 0.766666667 the only way you can use DDR ram in a new system is if you use the ASROCK 775Dual VSTA Motherboard it supports DDR, DDR2, AGP and PCIE the board has its downsides though Can't find your answer ? Ask ! Publish Related resources SolvedWhy doesn't this DDR2 RAM fit into this supposedly DDR2-compatible Supermicro motherboard? Forum SolvedDo new motherboards support ddr2? Forum Solvedabit motherboard ip35-pro silent and memory pny ddr2 pc2- 6400 compatible Forum Is ddr3 compatible with ddr2 motherboards Forum Upgrade old RAM (DDR2) or buy new PC for my limited needs. Forum SolvedIS a DDR2 GPU compatible with my motherboard? Forum SolvedMotherboard with a ddr2-800 standard still compatible with ddr2 1066? Forum DDR2 compatible motherboards Forum SolvedWhat motherboard is compatible with Amd phenom 2 x6 processor with ddr2 Forum SolvedWill a GPU with a DDR2 memory compatible w/ a motherboard w/ DDR1 ram Forum SolvedGraphics Card with DDR3 Memory on DDR2 Motherboard Compatibility Forum Will my new GTX 650 Ti Boost get bottlenecked by old system? (Core 2 Duo, 2GB DDR2) Forum Solved[RAM upgrade] 8GB DDR2 or 8GB DDR3 and new motherboard. Forum SolvedPSU Compatibility with Old and New Motherboards Forum SolvedCan I use DDR2 800 and 1066 sticks together? Forum have a msi g41m-p43 board, I put in one stick of memory ddr2 or ddr3 and get a post signal, put in two two sticks and it won't Forum Graphic cards compatible with Asus DDR2 Motherboard. Forum Graphic cards compatible with Asus DDR2 Motherboard. Forum Does ddr2 compatible for i series motherboard Forum Graphic cards compatible with asus ddr2 motherboard Forum More resources Read discussions in other Memory categories Compatibility DDR2 DDR3 Dual Channel RAM Corsair G.SKILL !