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Mix different ddr2 kits on same board that have different timings

  • Asus
  • DDR2
  • Latency
  • Dual Channel
  • Motherboards
Last response: in Motherboards
March 5, 2011 3:52:12 AM

i currently have a Kingston HyperX 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model KHX8500AD2K2/4GR
Cas Latency 7
Timing 7-7-7-20
Voltage 2.0V
these are discontinued however i would like to upgrade to 8gb ram and buy another 4gb kit but all the avliable modules are now
Cas Latency:5
can \ will mixing both kits work on the same board
ASUS M3N72-D AM2+/AM2 NVIDIA nForce 750a

More about : mix ddr2 kits board timings

a c 252 V Motherboard
a b Ĉ ASUS
March 5, 2011 3:57:09 AM

Hard to say. Usually memory will just default to the slowest module. That is a huge difference though.2.0 vs 2.3v and cas 7 vs cas 5 makes it a crapshoot. Too bad DDR2 is so expensive now or I would say just get an 8GB kit.
March 5, 2011 4:02:46 AM

so the best bet would be to just upgrade both kits since the current one is quite a bit slower then the current modules avliable
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Best solution

a c 252 V Motherboard
a b Ĉ ASUS
March 5, 2011 4:05:27 AM

I would not try to match the 2 but it may work if you try it, thus saving you some money. I hate to give wrong info but I really just do not think those will match well with such different voltages and cas latency. My opinion is don't try it.
March 5, 2011 4:13:31 AM

after more reading on other posts i agree with you in this , theres just too much of a difference to go that route :-)
thank you for the input most helpfull
March 5, 2011 4:13:51 AM

Best answer selected by areicebo.
a b Ĉ ASUS
a b V Motherboard
February 23, 2012 7:27:09 PM

This topic has been closed by Mousemonkey