FrostyTech Mk.III Synthetic Thermal Heatsink Test Results Intel Core i7, Extreme Edition class heatsinks tested at a 200W heat load. Results based on readings from a 38x38mm copper interface die with 200W heat load on the Intel version of the Mk.III Test Platform. Temperature results listed for each heatsink were calculated by determining the rise over ambient temperatures at time of test. Information on Frostytech's test methodology is available here. Socket LGA2011/1366 compatible CPU heatsinks
manufacturer:	model no.:	*fan speed:	200w thermal test (°c)	noise level (dba)
Coolermaster	Seidon 240M	high	13.4	55.6
Silverstone	Tundra TD02	high	13.6	53.0
Coolermaster	Glacer 240L	high	14.1	52.5
NZXT	Kraken X60	high	14.5	60.7
Noctua	NH-U14S		17.0	47.3
Coolermaster	Seidon 120V	high	17.5	54.3
NZXT	Kraken X40	high	18.2	59.4
Silverstone	Tundra TD03	high	18.7	58.1
Noctua	NH-U12S (+2nd fan)		18.8	49.8
Silverstone	Argon AR01	high	18.8	53.0
Coolermaster	Eisberg 240L	high	19.1	50.5
Raijintek	Themis	high	19.7	52.8
Coolermaster	V8 GTS	high	20.0	59.7
Corsair	Hydro H80i	high	21.1	64.0
Noctua	NH-U12S		21.1	46.2
Raijintek	Ereboss	high	21.4	49.7
Zalman	Reserator 3 Max	high	21.6	58.9
Scythe	Mugen 4	high	21.7	41.9
Zalman	LQ315	high	21.9	50.8
Silverstone	NT06-P	high	22.1	51.6
Raijintek	Aidos	high	23.0	55.6
Zalman	LQ310	high	23.8	52.7
Zalman	LQ320	high	25.5	50.2
Zalman	LQ310	low	30.8	33.5
Silverstone	NT01-Pro	high	35.8	40.4
			200w thermal test (°c)	noise level (dba)
*heatsinks are ranked according to the 125w thermal test results column (rise over ambient temp.). low temperatures with low noise levels are considered best. for reference heatsinks with variable-speed fans, only the high speed (12v) fan test result is included in the comparison sheet; more detailed results reside in each specific heatsink review.

Frostytech's socket LGA2011 Intel synthetic thermal test platform stresses socket LGA2011/1366 compatible heatsinks with a 200W heat load. Keep in mind that the AMD Integrated Heat Spreader and Intel LGA2011 Integrated Heat Spreader both measure ~38x38mm, so these test results can be extrapolated to AMD processor scenario's as well.

With a 200W heat load applied by the Intel LGA2011/1366 version of FrostyTech's synthetic thermal test platform, the Zalman LQ310 yields a temperature result of 23.8°C over ambient at stock fan speed. Reducing the speed of the LQ310's single 120mm PWM fan to 900RPM saw test results rise to 30.8°C over ambient and noise decrease to whisper quiet levels. 30.8°C over ambient is warmer than what we'd expect from a liquid cooler, so clearly this smallish radiator needs more airflow than a 900RPM fan can deliver.

So where does all this leave the Zalman LQ310?

The compact LQ310 liquid CPU cooler offers good performance on sub-150W TDP processors like the Intel LGA115x, but it does so with moderate noise. The best bet is to buy a second 120mm fan and attach it to the rear of the heat exchanger. This makes us wonder why Zalman didn't package the LQ310 with two fans in the first place? On the 200W Intel LGA2011/1366 synthetic thermal test platform, Zalman's LQ310 simply isn't competitive. It's not bad, but in the realm of water coolers where most consumers are seeking better cooling performance than a air cooled heatsink can deliver, the LQ310 falls short. If you're a computer enthusiast dead set on liquid cooling, you're going to be better off with a 240mm or 280mm heat exchanger equipped water cooler.

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