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Kingston HyperX KHX1600C8D3K2/4GX 2x2GB Review

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To find out just how well a product performs, you have to test it in a real world environment so that you don't just blindly believe what the manufacturer says the product will do. Some are right on the money, while others fall somewhat short. On the other hand, there are products that exceed the manufacturer's specifications and will perform at a higher level than what the specifications lead you to believe. To find out what kind of performance these Kingston HyperX modules deliver, I will be running them through the OverclockersClub suite of benchmarks to see how the performance compares to that of modules that are rated both lower and higher than the rated speed and timings of 8-8-8-20. The CPU is run at a clock speed of 160 x 20 with the memory multiplier increased to the 1600MHz mark to reach the rated speed of each set of modules. For the overclocking test, I will use a combination of increasing the clock on the CPU to increase the clock speed of the Kingston HyperX modules.

Testing Setup:

Comparison Modules:

  • Comparison Module #1: Corsair Dominator 

CPU-Z: This application shows us the settings that we have chosen in the BIOS. Items shown in this application include CPU speed and bus settings, motherboard manufacturer, BIOS revisions, memory timings, and SPD chip information.






Task Manager: We use this utility to show physical memory, kernel memory, page file, and processor usage.



Overclocked settings:

  • Processor: Intel Core i5 750 218x15
  • Memory: Kingston HyperX 9-9-8-24 2180MHz

Overclocking these modules was actually fun. The rated timings at 1600MHz are 8-8-8-24. What I found was that at 1600MHz, they could be tightened up to 6-7-6-18 with no increase in voltage above the rated 1.65 volts. After seeing how tight the timings would go, I was anticipating big things and was not disappointed. How does 2180MHz with a small bump in voltage and a bump in cas latency and TRCD to 9 sound? Really, at this point, my jaw had hit the keyboard because it took all of about an hours worth of wrangling to get to the 2180MHz level. That's what I call overclocking headroom - 580MHz worth, to be exact. Since the i5 750 has the memory multiplier locked, I feel there is more left on the table with this set. Even so, I left the latencies at what would be considered usable and still ended up with the highest memory overclock I have had to date, by far. By increasing the latencies there may be some more low hanging fruit. But keeping close to the Intel specified 1.65v max on the memory at 1.68 volts, you really cannot go wrong with this set when looking to max out your system. Did I say 580MHz of headroom? Kind of makes me feel like I won the lottery! I just hope that the ballot box was not stuffed and that this kit is indicative of the retail sampling!



The benchmarks used in this review include the following:


  • CPU-Z Version 1.52
  • Windows Task Manager
  • PCMark Vantage
  • SiSoft Sandra 2009
  • Left 4 Dead


  1. Introduction & Closer Look
  2. Specifications & Features
  3. Testing: Setup & Overclocking
  4. Testing: PCMark Vantage, Sandra 2009
  5. Testing: Left 4 Dead
  6. Conclusion
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