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Does 400 Mhz memory work in a G5 Dual Core 2.3?

Discussion in 'PowerPC Macs' started by Mac Hammer Fan, Apr 11, 2013.

  1. macrumors 6502

    I bought a second hand G5 Dual Core 2.3 to replace my old dead G5 Dual 1.8. Standard memory is 533 MHz PC2-4200 DDR2 SDRAM. However it came with only 2 GB RAM. I have 4 RAM modules 400 MHz PC3200 DDR SDRAM from my old Mac. Is there a chance they will work in the new G5 Dual Core?
  2. macrumors 68000


    Unfortunately, it will not work.
  3. macrumors regular


    DDR1 RAM does not work in a machine that requires DDR2 RAM.
  4. macrumors 6502

    Thanks for the useful info.

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