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G.Skill F2 6400 CL4D-4GBPI-B Review

Price: $69.99


Two of the biggest concerns with memory modules are voltage and getting rid of the associated heat that an increase in voltage brings. There are not only those issues, but enthusiasts have been asking for modules that have tighter latencies to increase the performance of their systems. Memory manufacturers have been happy to oblige to this demand but have had to increase the voltages on even DDR2 800MHz modules to keep up with this demand. I have one set that requires 2.3 volts to run 3-4-3-8 at DDR2 800. There comes that heat that has to be controlled and dissipated to keep the modules alive. How many times have you marveled at an amazing overclock on a set of memory modules and then seen the obligatory system shot that shows a big old 120mm fan blowing air over the modules to keep them cool and stable? For me, more times than I can count! In fact I am part of that club. Sadly! Well G.Skill has just released a set of modules that solve three issues. Tight latencies at DDR2 800MHz speeds, with low voltage and a large cooling solution for improved cooling efficiency. The G.Skill Black PI PC 6400 2x2GB kit has latencies of 4-4-4-12 at a low 1.9 volts versus 2.1 or greater volts to reach this level. The PI thermal management solution is said to offer a reduction in operating temperature up to 20 percent lower than traditional memory heatsinks. How will the thermal solution help with the overclocking of these modules? Will additional volts heat them up? How far can they be pushed? All questions to be answered. Let's see what the latest from G.Skill has to offer the enthusiast!

Closer Look:

The PI series module come in a solid black box with just the symbol for PI on the front of the box. Kind of reminiscent of the Metallica Black album. Simple and straight to the point. The rear has a sticker with the part number of the modules, the G.Skill name and slogan, as well as the company contact information. The package has a flip-open front cover that has a window to view the modules on one side as well as a presentation on the benifits of the attached PI heat spreaders.




Once out of the box, the modules are encased in a plastic clam-shell that prevents any movement in transit. Included with the modules are a quick start guide and several stickers for those collectors out there.



The G.Skill F2 6400 CL4D-4GBPI-B set of modules are rated for use at a low 1.9 volts at the low latencies of 4-4-4-12. A significant reduction in the voltage requirement from the normal 2.1 volts normally needed. G.Skill is also using an over-sized heatsink to keep these modules cool and stable under any condition. The heatspreaders appear to be securely mounted. Each half of the heatsink assembly crosses over the other in an interlocking design that is sure to promote the dissipation of the heat generated by the modules.




Now let's see what these modules are capable of.


  1. Introduction & Closer Look
  2. Specifcations & Features
  3. Testing: Setup, CPU-Z, Task Manager, Overclocking
  4. Testing: PCMark Vantage, Sandra XII
  5. Testing: Company of Heroes
  6. Conclusion
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