The best replacement for ddr ram is sdram.

The best alternatives to ddr ram are rated as following:
★★★★★  sdram
★★★★  ddr2
★★★  ddr2 ram
★  ddr sdram
★  rdram
★  sdr ram
  gddr
  dimm
  sodimm
  sd ram
  sd

Your alternative for ddr ram is not listed? Suggest!
Speaking about ddr ram, one probably shouldn't forget about sdram.

Other search terms related to ddr ram and their ratings are:
★★★★★ sdram
You have in mind a companion for ddr ram and it is not yet here? Propose!



Google Trends

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ddr ram
sdram
ddr2