For a product like this, there is only one thing to do, overclock them as far as we can. For testing we used the following system:

Intel X6800 CPU (8 x410) = 3.28ghz
EVGA 680I SLI Motherboard
XFX 8800GTX 768MB Graphics Card
OCZ Reaper 9200 HPC
Corsair Dominator 9136
OCZ Flex XLC Edition (cooled with Danger Den water cooling kit).
Tagan 1kw PSU
Western Digital Raptor WD1500 HDD
Windows Vista x86 Enterprise
Zalman 9700NT Nvidia Approved CPU Cooler
Thermaltake Kandalf Chassis

System stability was tested with numerous runs of Prime, Memtest and 3dmark.

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Much like the FlexXLC series, the overclocks are as expected. I was hoping to be able to tighten the timings slightly, however there would be errors at anything above the listed test figures above. According to the manufacturer's warranty 2.35 is allowed, unfortunately that didn't help matters and no extra bandwidth was available. We even tried 2.4 volts, but this again gave no discernable benefits. With these timings, the Reaper give impressive results, outclassing the competiting products.

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Changing to 1T didn't quite have the expected results with the FlexXLC edition slightly outclassing the passively cooled counterpart. However, to be fair, the increased results of the FlexXLC kit were attained via watercooling which for many users might not be an option.

With such impressive cooling solutions, we wanted to ascertain any differences, so using a diode, I checked each kit and the temperatures produced (after a 30 minute looped PCmark and Sandra Session). Ambient temperatures 25c. All modules were tested at 2.3volts and 1150mhz frequency.

	Temperature (Full load)
Corsair Dominator (air)	51c
Corsair Dominator (airflow)	47c
OCZ FlexXLC Edition (air)	50c
OCZ FlexXLC Edition (water)	42c
OCZ Reaper	54c

I was slightly surprised with these results as I had expected the FlexXLC modules under standard air cooling to run slightly hotter than the Reaper modules, however the reverse was true. The Corsair Dominator are firmly placed in middle ground when cooled passively, however with the airflow cooler, the temperatures drop 4-5c under load.

The Reaper HPC cooling system actually proved to be the least efficient of them all, however they are still safely within operational temperatures.

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