Cougar GEX X2 1000W PSU Review

Load Regulation

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 6.480A 1.991A 1.978A 0.985A 99.973 88.379% 0 <6.0 44.33C 0.96
12.095V 5.021V 3.336V 5.075V 113.118 40.07C 114.82V
20% 13.977A 2.988A 2.97A 1.185A 199.911 91.392% 0 <6.0 45.56C 0.958
12.093V 5.019V 3.334V 5.065V 218.743 40.85C 114.79V
30% 21.826A 3.488A 3.467A 1.385A 299.947 92.089% 0 <6.0 46.49C 0.969
12.091V 5.017V 3.331V 5.055V 325.714 41.38C 114.76V
40% 29.630A 3.988A 3.965A 1.586A 399.4 92.027% 0 <6.0 47.23C 0.977
12.089V 5.014V 3.329V 5.046V 434.004 41.62C 114.72V
50% 37.115A 4.988A 4.961A 1.787A 499.129 91.568% 0 <6.0 48.41C 0.983
12.088V 5.012V 3.326V 5.035V 545.091 42.41C 114.69V
60% 44.669A 5.988A 5.958A 1.99A 599.668 90.855% 775 18.4 42.67C 0.986
12.086V 5.01V 3.323V 5.025V 660.022 49.19C 114.65V
70% 52.166A 6.986A 6.957A 2.194A 699.409 90.196% 1239 32.6 43.16C 0.988
12.083V 5.01V 3.321V 5.014V 775.436 50.20C 114.62V
80% 59.730A 7.986A 7.957A 2.297A 799.438 89.386% 1863 43.7 43.75C 0.99
12.080V 5.009V 3.317V 5.005V 894.375 51.84C 114.58V
90% 67.630A 8.487A 8.446A 2.402A 899.257 88.492% 2291 48.9 44.34C 0.991
12.077V 5.007V 3.315V 4.996V 1016.208 53.54C 114.54V
100% 75.331A 8.99A 8.967A 3.013A 999.278 87.626% 2309 49.1 45.28C 0.992
12.075V 5.005V 3.312V 4.979V 1140.398 55.29C 114.51V
110% 82.961A 9.996A 10.063A 3.017A 1099.904 86.573% 2322 49.3 46.53C 0.993
12.073V 5.002V 3.309V 4.971V 1270.51 57.46C 114.46V
CL1 0.115A 12.014A 11.912A 0A 101.291 83.444% 0 <6.0 46.99C 0.962
12.095V 5.011V 3.333V 5.084V 121.399 41.60C 114.82V
CL2 0.114A 20.042A 0A 0A 101.331 81.626% 562 9.1 41.44C 0.96
12.098V 4.987V 3.34V 5.089V 124.141 48.53C 114.81V
CL3 0.114A 0A 19.876A 0A 67.381 76.287% 407 <6.0 42.62C 0.949
12.096V 5.009V 3.321V 5.084V 88.325 51.64C 114.83V
CL4 82.781A 0A 0A 0A 999.859 88.198% 2308 49.1 45.13C 0.992
12.078V 5.005V 3.318V 5.039V 1133.656 56.08C 114.52V

Load regulation is tight on all rails, especially at 12V.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 11.9 mV 8.4 mV 9.1 mV 10.8 mV Pass
20% Load 15.4 mV 8.4 mV 9.2 mV 10.6 mV Pass
30% Load 18.1 mV 8.4 mV 9.3 mV 10.5 mV Pass
40% Load 19.4 mV 8.8 mV 9.9 mV 10.9 mV Pass
50% Load 17.4 mV 8.9 mV 9.8 mV 12.4 mV Pass
60% Load 18.3 mV 8.9 mV 10.4 mV 13.5 mV Pass
70% Load 18.6 mV 11.3 mV 11.8 mV 14.0 mV Pass
80% Load 20.8 mV 10.9 mV 13.0 mV 13.9 mV Pass
90% Load 21.2 mV 10.6 mV 14.1 mV 15.7 mV Pass
100% Load 33.8 mV 13.9 mV 14.1 mV 15.7 mV Pass
110% Load 35.2 mV 13.2 mV 14.7 mV 16.4 mV Pass
Crossload 1 19.3 mV 11.7 mV 14.6 mV 17.1 mV Pass
Crossload 2 17.9 mV 22.5 mV 12.2 mV 16.8 mV Pass
Crossload 3 12.4 mV 10.7 mV 16.6 mV 16.7 mV Pass
Crossload 4 33.2 mV 10.3 mV 9.4 mV 18.4 mV Pass

Ripple suppression is good on all rails. That said, it could be better at 12V to avoid the last place in the corresponding graph.

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8 thoughts on “Cougar GEX X2 1000W PSU Review

  1. I’m finding more and more sources confirming that the 12VHPWR connector is actually 450W
    This is a very vile deception :C
    Be careful with this cable.

  2. Ive installed it today and it sucks ass, just sitting in browser it overheats and turns fan on with like 1500rpm to my hearing every 3-5min, also ive looked more closely and this review is so off, on box it says 30% fan start, its 300w, and u show us its 500w, it just cant be true

  3. Hello. This is not the first time I have noticed errors in your article.
    1. Page 1. First write about the depth of 140mm, then as 160mm.
    2. Page 3. APFC MOSFETs and Main Switchers. The text has one name, but a hyperlink to another.
    3. Page 4. Fan Speed (RPM) and PSU Noise (dB[A]) columns. Fan speed and noise do not match page 9.

    I did not read the entire article, but only walked through what interests me.

    1. 1) you were correct I wrote 160mm instead of 140mm. Feel free to shoot me!
      2) the link is correct in APFC, not correct in main switchers. fixed
      3) The page 9 IS NOT THE SAME DATA as page 4. If you had read a bit of the text or noticed the temperatures on the corresponding graphs, you would have seen that.

      You understand that in a review where a full week’s work is needed and around 20K readings have to be obtained (yes thousands) there can be mistakes!
      So I would appreciate a bit tact and understanding from my readers.

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