I think the numbers speak for themselves... the PolarFLO blocks are simply the best water blocks we've gotten to test this year. They were at least 1°C better at the very minimum, and sometimes up to 2.5°C better.
Build quality is excellent, and it looks like the extra time to flatten and shine the blocks really paid off in the performance area. A totally metal construction is a sign of quality, as well as making the blocks more durable. Having seven colour choices as well is a plus for those of you who wish to match the blocks with your hardware.
I do have an issue with their choice of screws and nuts being made of nylon though, as they do take away a bit from the overall look of the kit. The blocks are fairly heavy as it is, and although the screws held up well, who is to say what will happen over time. Also, it would be wise if PolarFLO added some springs to help balance out the block as installing the block is a bit tricky without any way of truly knowing if the block is properly mounted securely to the CPU. Finally, instructions should be included in the future to assist those unfamiliar with installation.
One thing I noticed during testing is good waterflow is key for maximum performance. Now, I already knew this beforehand, as it's a general rule for any water block, but flow is more important with the PolarFLO than it is with past blocks we've tested. Perhaps it's the larger blocks, but I purposely bent the tube a little to slow the flow down. This ended up increasing temperatures by 4°C. On the WaterChill, bending the tubes resulted in a 2°C increase. Now, this is far from being scientific testing, but I suggest sticking with a minimum of 175GPH for the pump, with a head of at least 4 feet. Keep bends in the tubing to a minimum, and I think you'll be fine.
It's a little complicated for first-time water cooler users, so be prepared for a bit of a learning curve setting the PolarFLO blocks up. Those of you using sub-par water blocks should definitely drop those, and grab these. Simply put, if you have a good pump and radiator, I think you'll be quite pleased with the PolarFLO Universal Water Blocks.
Skrevet af Lasse den 12. Dec 2003. Nyheden er læst 998 gang(e).
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