Can i use ddr3 ram in a ddr2 machine hp 7800 Tags: Chipsets DDR2 DDR3 RAM Hewlett Packard Motherboards Last response: June 9, 2012 1:27 PM in Motherboards Share syedadnanp June 9, 2012 12:40:59 PM Hello, can i use ddr3 ram in a ddr2 machine hp 7800 More about : ddr3 ram ddr2 machine 7800 nikorr a c 328 V Motherboard June 9, 2012 1:24:50 PM Is this yours? -> HP - Compaq dc7800 Series Convertible Minitower Desktop/PC Memory: DDR2 PC2-8500, DDR2 PC2-6400, DDR2 PC2-5300 Memory Type: DDR2 PC2-8500, DDR2 PC2-6400, DDR2 PC2-5300, DDR2 (non-ECC) Maximum Memory: 8GB Slots: 4 In most cases, when u have DDR2, u cannot use DDR3, as it is different from DDR2. Unless there is a slot for DDR3 too. nikorr a c 328 V Motherboard June 9, 2012 1:26:31 PM Take a look what is different. On the bottom of the RAM stick, there is a notch in different place so users cannot place in the wrong RAM. Can't find your answer ? Ask ! Get the answer nikorr a c 328 V Motherboard June 9, 2012 1:27:27 PM Can't find your answer ? Ask ! Publish Related resources Can i mix DDR2 and DDR3 ram Forum Upgrade HP dc 7800 Forum GeForce 7600GT vs. GeForce 7800 GS Forum DDR3 faster and more energy efficient than DDR2 Forum Q9550 or i7-860? DDR2 or DDR3 ? X48 or P55? Forum Can i use ddr2 with ddr3 in a emachine,1tg drive and 3gb memory Forum Will a ddr3 graphics card work with ddr2 ram Forum Difference between ddr2 and ddr3 and ram Forum Will Asus P5GC41C-MLX mobo support Transcend JM1333KLN-2G DDR3 2GB RAM Forum Free 7800 GS - In the Spirit... Forum DDR2 or DDr3 ? (I'm kind of stuck) Forum Will ddr2 motherboard support ddr3 memory? Forum DDR2 vs. DDR3 Forum DDR2 or DDR3 ... Please help Forum "Reboot and select Proper boot device" Forum Can my Asus P5LD2 motherboard support dual core? Forum Can i run ddr2 on ddr3 motherboard? Forum Does changing from 1333 to 1600 DDR3 gains performance? Forum Can i run ddr2 on ddr3 motherboard? Forum Can my PC run Mac OSX? Forum More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !