PSUs

XPG Core Reactor II VE 850W 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% 5.191A 1.979A 2.009A 0.994A 85.007 86.468% 914 21.5 40.10C 0.982
12.215V 5.055V 3.285V 5.031V 98.309 44.31C 115.15V
20% 11.472A 2.969A 3.016A 1.194A 169.974 90.191% 918 21.6 40.64C 0.989
12.122V 5.053V 3.282V 5.025V 188.457 45.19C 115.13V
30% 18.075A 3.465A 3.522A 1.396A 254.99 91.065% 921 21.6 41.06C 0.992
12.112V 5.051V 3.28V 5.017V 280.009 46.14C 115.11V
40% 24.680A 3.962A 4.029A 1.597A 340.084 91.024% 924 21.8 41.81C 0.99
12.110V 5.049V 3.277V 5.009V 373.619 47.36C 115.08V
50% 30.810A 4.956A 5.042A 1.8A 425.11 90.697% 929 21.8 42.09C 0.991
12.158V 5.046V 3.273V 5.002V 468.716 48.11C 115.05V
60% 37.014A 5.951A 6.057A 2.001A 509.63 90.068% 932 21.9 42.80C 0.992
12.153V 5.043V 3.27V 4.995V 565.825 49.37C 115.03V
70% 43.292A 6.946A 7.074A 2.206A 594.976 89.303% 1323 33.6 43.39C 0.993
12.147V 5.04V 3.266V 4.988V 666.245 50.45C 115V
80% 49.592A 7.944A 8.094A 2.309A 679.804 88.5% 1635 39.2 43.69C 0.994
12.137V 5.036V 3.262V 4.982V 768.142 51.79C 114.98V
90% 56.289A 8.445A 8.593A 2.412A 765.234 87.703% 1960 45.1 44.84C 0.995
12.129V 5.033V 3.258V 4.976V 872.538 53.89C 114.95V
100% 62.723A 8.947A 9.124A 3.028A 850.066 86.809% 2215 47.7 45.81C 0.995
12.122V 5.03V 3.255V 4.954V 979.233 55.88C 114.91V
110% 69.034A 9.948A 10.243A 3.029A 934.63 85.845% 2399 49.3 46.85C 0.996
12.115V 5.026V 3.251V 4.952V 1088.732 57.75C 114.88V
CL1 0.115A 14.339A 14.581A 0A 121.308 83.357% 944 22.3 40.84C 0.988
12.159V 5.035V 3.271V 5.085V 145.529 46.36C 115.14V
CL2 0.115A 21.821A 0A 0A 111.394 81.315% 943 22.3 41.13C 0.985
12.167V 5.041V 3.29V 5.12V 136.99 48.20C 115.14V
CL3 0.114A 0A 22.207A 0A 73.995 75.937% 922 21.7 40.12C 0.982
12.219V 5.057V 3.269V 5.053V 97.443 49.17C 115.16V
CL4 70.098A 0.001A 0.005A 0.001A 849.807 87.536% 2087 45.7 45.56C 0.995
12.123V 5.05V 3.268V 5.038V 970.819 56.53C 114.91V

Load regulation is tight at 5V only, while it is over 1% on all other rails.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 7.0 mV 5.8 mV 5.4 mV 5.6 mV Pass
20% Load 13.6 mV 6.2 mV 7.9 mV 5.9 mV Pass
30% Load 12.7 mV 7.4 mV 11.1 mV 7.3 mV Pass
40% Load 14.1 mV 9.5 mV 15.8 mV 8.1 mV Pass
50% Load 16.8 mV 10.6 mV 16.8 mV 8.6 mV Pass
60% Load 18.8 mV 11.2 mV 19.5 mV 9.4 mV Pass
70% Load 21.5 mV 13.0 mV 22.7 mV 10.7 mV Pass
80% Load 23.8 mV 15.1 mV 29.0 mV 12.5 mV Pass
90% Load 26.6 mV 16.4 mV 32.0 mV 13.5 mV Pass
100% Load 33.7 mV 20.4 mV 37.1 mV 17.5 mV Pass
110% Load 37.0 mV 21.9 mV 40.2 mV 17.6 mV Pass
Crossload 1 27.2 mV 9.2 mV 13.4 mV 7.5 mV Pass
Crossload 2 14.7 mV 8.9 mV 6.0 mV 6.1 mV Pass
Crossload 3 6.3 mV 5.0 mV 12.7 mV 5.3 mV Pass
Crossload 4 33.6 mV 16.1 mV 31.9 mV 14.0 mV Pass

Ripple suppression is decent on all rails but 5VSB, where it is not that good.

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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3 thoughts on “XPG Core Reactor II VE 850W PSU Review”

    1. It will apply high stress to the corresponding DC-DC converter that expects 3.3V at its input. This is why the ATX spec sets as the lowest limit the 3.14V level.

      Reply

      1. Thank you for the information. Then I’ll go back to the beginning and start looking for a new psu. I benefit a lot from your articles. Thank you.

        Reply

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