PSUs

Thermalright TR-TGFX 550 ATX v3.1 PSU Review

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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% 2.762A 1.973A 1.963A 0.998A 54.996 84.356% 1421 16.9 40.30°C 0.949
12.093V 5.069V 3.361V 5.012V 65.195 41.47°C 114.83V
20% 6.541A 2.96A 2.946A 1.2A 109.922 88.944% 1426 17 40.78°C 0.967
12.081V 5.067V 3.36V 5.001V 123.586 42.17°C 114.81V
30% 10.676A 3.454A 3.439A 1.403A 164.913 90.507% 1451 17.5 41.08°C 0.967
12.070V 5.066V 3.359V 4.99V 182.209 42.96°C 114.8V
40% 14.821A 3.949A 3.931A 1.607A 219.989 91.114% 1695 22.5 41.64°C 0.972
12.064V 5.065V 3.358V 4.979V 241.444 43.89°C 114.77V
50% 18.619A 4.938A 4.916A 1.812A 274.983 91.047% 2308 32.1 42.43°C 0.978
12.057V 5.063V 3.356V 4.967V 302.02 44.66°C 114.76V
60% 22.421A 5.928A 5.903A 2A 329.881 90.76% 2729 36.5 42.92°C 0.981
12.050V 5.061V 3.354V 4.956V 363.466 45.03°C 114.74V
70% 26.218A 6.918A 6.891A 2.225A 384.965 89.654% 3103 40.6 43.14°C 0.984
12.047V 5.059V 3.353V 4.944V 429.392 45.38°C 114.72V
80% 30.019A 7.908A 7.877A 2.331A 439.384 89.313% 3103 40.6 43.89°C 0.986
12.042V 5.057V 3.351V 4.934V 491.957 47.62°C 114.71V
90% 34.212A 8.404A 8.357A 2.437A 494.41 88.894% 3104 40.6 44.84°C 0.987
12.040V 5.057V 3.35V 4.925V 556.184 49.03°C 114.69V
100% 38.208A 8.9A 8.867A 3.061A 549.622 88.259% 3104 40.6 45.45°C 0.988
12.037V 5.056V 3.349V 4.901V 622.744 50.41°C 114.65V
110% 42.071A 9.893A 9.947A 3.065A 604.628 87.558% 3104 40.6 46.60°C 0.989
12.035V 5.054V 3.347V 4.894V 690.551 52.89°C 114.64V
CL1 0.114A 11.91A 11.855A 0A 101.282 83.626% 2908 38.7 42.94°C 0.968
12.086V 5.054V 3.349V 5.026V 121.112 45.99°C 114.81V
CL2 0.114A 19.782A 0A 0A 101.317 83.011% 2337 32.2 41.24°C 0.968
12.086V 5.052V 3.357V 5.029V 122.053 43.68°C 114.8V
CL3 0.114A 0A 19.718A 0A 67.379 78.943% 1775 23.8 41.00°C 0.957
12.090V 5.065V 3.347V 5.029V 85.354 42.93°C 114.82V
CL4 45.633A 0A 0A 0.001A 549.513 89.309% 3116 40.7 44.48°C 0.988
12.042V 5.069V 3.361V 4.993V 615.296 48.23°C 114.65V

Load regulation is tight. The PSU’s low capacity helps in that.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 26.7 mV 18.9 mV 16.6 mV 11.6 mV Pass
20% Load 40.4 mV 20.1 mV 18.2 mV 13.7 mV Pass
30% Load 50.5 mV 20.5 mV 17.3 mV 15.3 mV Pass
40% Load 44.5 mV 21.3 mV 18.3 mV 17.0 mV Pass
50% Load 39.4 mV 22.2 mV 17.9 mV 19.8 mV Pass
60% Load 38.7 mV 25.2 mV 19.2 mV 21.0 mV Pass
70% Load 46.8 mV 27.4 mV 19.6 mV 26.6 mV Pass
80% Load 49.5 mV 29.8 mV 22.4 mV 28.4 mV Pass
90% Load 48.1 mV 33.2 mV 22.3 mV 29.7 mV Pass
100% Load 76.0 mV 36.0 mV 23.3 mV 38.0 mV Pass
110% Load 76.2 mV 38.4 mV 24.7 mV 40.5 mV Pass
Crossload 1 60.2 mV 22.5 mV 20.1 mV 21.7 mV Pass
Crossload 2 46.1 mV 26.7 mV 15.8 mV 20.8 mV Pass
Crossload 3 38.2 mV 22.5 mV 23.4 mV 19.4 mV Pass
Crossload 4 70.6 mV 34.4 mV 23.3 mV 37.3 mV Pass

Ripple suppression is mediocre, especially at 12V. This is a great shame! With more and higher quality caps on the secondary side, this wouldn’t be an issue, but Thermalright targeted budget-oriented users and an increased number of higher-quality caps would increase the production cost.

Pages:
  1. Prologue & Technical specifications
  2. Box & Bundle, Product Photos & Cables
  3. Part Analysis
  4. Load Regulation & Ripple Suppression
  5. Transient Response
  6. Hold-Up time, Inrush Current & PSU Timings
  1. Efficiency, Power Factor, 5VSB & Vampire Power
  2. Protection Features
  3. Noise Output
  4. Overall Performance
  5. Epilogue
Pages: 1 2 3 4 5 6 7 8 9 10 11
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2 thoughts on “Thermalright TR-TGFX 550 ATX v3.1 PSU Review”

  1. Can you do a review of the Thermalright TP-1000/1200? There’s a frustratingly low amount of information about it. Thanks in advance.

    Reply

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