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Mushkin 4GB (2 x 2GB) XP2-6400 Memory Review

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The Mushkin XP2-6400 4GB (2 x 2GB) set of RAM surprised me in many ways. I didn’t think it would be much better than the Mushkin HP2-6400 4GB (2 x 2GB) set. The XP2 set definitely outperformed the HP2 set by quite a margin, making it the best true 4GB set that I have ever tested. Also, Mushkin informed us that this new XP2 set should run at 1T on the 680i chipset with no problem (running DDR2 at 1T is almost unheard of). Unfortunately, even when I manually changed the RAM settings to run at 1T, my motherboard wouldn’t run it. Hopefully, down the road I’ll be able to put Mushkin’s claim to the test to see if this RAM really can run at 1T. What stuck out to me was the overclocking ability of this set. I was able to take it 44MHz higher without changing the timings or voltage. When I loosened the timings up to 5-5-5-12, I was able to overclock the RAM 143MHz higher without changing the voltage. What makes this exceptional is that this is a 4GB set of RAM! Do not pass this true 4GB set up as it performs at an exceptional level, but it also gives you room to overclock, all while running tight timings.



  • Exceptional Performance
  • Overclocking Ability
  • True 4GB Set
  • 4-4-4-12 Timings



  • None


Editors' Choice

  1. Introduction & Closer Look
  2. Installation & Specifications
  3. Testing: CPU-Z, Task Manager
  4. Testing: PCMark05, SiSoft Sandra
  5. Testing: Cachemem, Far Cry
  6. Overclocking: Results, PCMark05, SiSoft Sandra
  7. Overclocking: Cachemem, Far Cry
  8. Conclusion
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