EK Supreme and Supreme LT

Thermal Test Results

Now finally some results! First up, the individual configurations testing.

Here we can see the Supreme pulling ahead of the Supreme LT, with both showing similar losses when oriented incorrectly. The best orientation for each is positioning the barbs parallel to the top of the board (or perpendicular to the socket latch). Specifically with the LT, having flow go from right to left (from the RAM slots to the I/O ports) nets a small but noticeable improvement. This is likely because Bloomfield processors have the die off-center, closer to the RAM slots.

Specific Pumping Power

Now that we’ve figured out what the best configuration is for each block, let’s chart its performance over the entire flowrate spectrum.

  • Very High Pumping Power: All three MCP355 pumps and the D5 are on at full speed–this has a very similar PQ curve to a pair of RD-30s at 20V.
  • High Pumping Power: Two MCP355s with EK V2 tops are on at full speed. The other two pumps are off.
  • Medium High Pumping Power: A single MCP355 with XSPC V3 top is on at full speed. The other three pumps are off.
  • Medium Pumping Power: The stock D5 is on at full speed and setting 5. The other three pumps are off.
  • Low Pumping Power: A single MCP355 with XSPC V3 top is on at minimum speed (~7.7V, ~2450RPM). The other three pumps are off.
  • Very Low Pumping Power: The stock D5 is on at minimum speed–setting 1. The other three pumps are off.



Note: I do 5 mounts at “Medium High” then take the best config of a block and test the whole flow spectrum (after a TIM curing session) then realign that curve with average of the 3 median mounts to give you the “Adjusted” data.

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