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XPG Pylon 750 W Review
Fan Noise »Efficiency
Using the results we gathered so far, we plotted a chart showing the PSU's efficiency at low loads and loads ranging from 10 to 110 percent of the maximum-rated capacity.
Efficiency is satisfactory in all load ranges.
10%–110% Load Testing
These tests reveal the PSU's load regulation and efficiency levels under high ambient temperatures and show how the fan-speed profile behaves under harsh operating conditions.| Load Regulation & Efficiency Testing Data - XPG Pylon 750W | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test | 12 V | 5 V | 3.3 V | 5VSB | Power (DC/AC) | Efficiency | Fan Speed | PSU Noise | Temp (In/Out) | PF/AC Volts |
| 10% Load | 4.377A | 2.000A | 2.000A | 0.988A | 74.963W | 86.199% | 864 RPM | 22.1 dB(A) | 35.10°C | 0.875 |
| 12.191V | 5.000V | 3.300V | 5.064V | 86.965W | 39.91°C | 230.25V | ||||
| 20% Load | 9.786A | 3.002A | 3.003A | 1.188A | 150.035W | 89.902% | 868 RPM | 21.9 dB(A) | 35.89°C | 0.944 |
| 12.174V | 4.997V | 3.296V | 5.051V | 166.888W | 41.18°C | 230.25V | ||||
| 30% Load | 15.547A | 3.502A | 3.508A | 1.390A | 225.051W | 90.847% | 872 RPM | 21.8 dB(A) | 36.23°C | 0.965 |
| 12.157V | 4.995V | 3.293V | 5.037V | 247.726W | 42.18°C | 230.25V | ||||
| 40% Load | 21.326A | 4.003A | 4.013A | 1.593A | 300.067W | 90.926% | 876 RPM | 21.7 dB(A) | 37.01°C | 0.975 |
| 12.139V | 4.992V | 3.290V | 5.025V | 330.012W | 43.62°C | 230.25V | ||||
| 50% Load | 26.740A | 5.011A | 5.020A | 1.797A | 374.601W | 90.543% | 879 RPM | 21.9 dB(A) | 37.38°C | 0.981 |
| 12.120V | 4.991V | 3.287V | 5.010V | 413.728W | 44.98°C | 230.25V | ||||
| 60% Load | 32.206A | 6.012A | 6.030A | 2.000A | 449.516W | 89.954% | 884 RPM | 22.5 dB(A) | 37.47°C | 0.984 |
| 12.101V | 4.990V | 3.284V | 4.995V | 499.720W | 46.00°C | 230.24V | ||||
| 70% Load | 37.730A | 7.016A | 7.045A | 2.210A | 524.852W | 89.132% | 891 RPM | 23.0 dB(A) | 38.31°C | 0.986 |
| 12.079V | 4.989V | 3.280V | 4.978V | 588.848W | 47.64°C | 230.25V | ||||
| 80% Load | 43.273A | 8.004A | 8.058A | 2.419A | 600.051W | 88.078% | 1277 RPM | 32.3 dB(A) | 38.71°C | 0.988 |
| 12.057V | 4.986V | 3.276V | 4.962V | 681.273W | 49.04°C | 230.25V | ||||
| 90% Load | 49.183A | 8.530A | 8.556A | 2.423A | 674.615W | 87.140% | 1619 RPM | 38.6 dB(A) | 39.36°C | 0.989 |
| 12.039V | 4.983V | 3.272V | 4.953V | 774.174W | 50.42°C | 230.25V | ||||
| 100% Load | 55.119A | 9.037A | 9.083A | 2.530A | 749.738W | 86.083% | 1996 RPM | 44.2 dB(A) | 40.19°C | 0.990 |
| 12.020V | 4.981V | 3.269V | 4.941V | 870.949W | 52.31°C | 230.25V | ||||
| 110% Load | 61.462A | 9.041A | 9.088A | 2.534A | 824.927W | 85.288% | 2161 RPM | 45.6 dB(A) | 40.27°C | 0.991 |
| 12.003V | 4.978V | 3.267V | 4.934V | 967.227W | 53.08°C | 230.24V | ||||
| Crossload 1 | 0.117A | 14.001A | 13.999A | 0.000A | 117.317W | 81.446% | 898 RPM | 22.7 dB(A) | 37.53°C | 0.935 |
| 12.166V | 4.995V | 3.283V | 5.052V | 144.043W | 45.22°C | 230.25V | ||||
| Crossload 2 | 62.508A | 1.000A | 1.000A | 1.000A | 764.848W | 87.151% | 1405 RPM | 34.9 dB(A) | 40.01°C | 0.990 |
| 12.024V | 4.987V | 3.278V | 4.987V | 877.617W | 52.69°C | 230.23V | ||||
This PSU doesn't struggle at high ambient temperatures, and the PF readings are high. The cooling fan exceeds 40 dBA only during the full load and overload tests, with over 40 °C ambient.
Light Load Testing
In the following tests, we measure the PSU's efficiency at loads significantly lower than 10 percent of the maximum capacity (the lowest load, the 80 PLUS standard measures). This is important for when a PC is idle with its power-saving features turned on.| Efficiency at Low Loads - XPG Pylon 750W | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Test # | 12 V | 5 V | 3.3 V | 5 VSB | Power (DC/AC) | Efficiency | Fan Speed | PSU Noise | PF/AC Volts |
| 1 | 2.858A | 0.501A | 0.498A | 0.197A | 40.025W | 80.577% | 857 RPM | 21.7 dB(A) | 0.763 |
| 12.201V | 5.003V | 3.305V | 5.087V | 49.673W | 230.23V | ||||
| 2 | 4.073A | 1.000A | 0.998A | 0.394A | 59.975W | 85.013% | 863 RPM | 22.0 dB(A) | 0.840 |
| 12.196V | 5.002V | 3.303V | 5.080V | 70.548W | 230.23V | ||||
| 3 | 5.295A | 1.501A | 1.498A | 0.591A | 80.001W | 87.216% | 864 RPM | 22.1 dB(A) | 0.883 |
| 12.191V | 5.001V | 3.301V | 5.073V | 91.727W | 230.23V | ||||
| 4 | 6.518A | 2.001A | 2.000A | 0.790A | 100.035W | 88.426% | 864 RPM | 22.1 dB(A) | 0.910 |
| 12.186V | 5.000V | 3.300V | 5.066V | 113.129W | 230.23V | ||||
Average efficiency in the 40–100 load range is pretty high, especially if we take into account this unit's official efficiency ratings.
Ultra-light Load Testing
The applied load in this test is only 10 W for PSUs with 500 W and less capacity. We dial in 2% of the maximum-rated capacity for all other PSUs and only run this test with 115 V input.| Efficiency at Low Loads - XPG Pylon 750W | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Test # | 12 V | 5 V | 3.3 V | 5 VSB | Power (DC/AC) | Efficiency | Fan Speed | PSU Noise | PF/AC Volts |
| 1 | 1.064A | 0.246A | 0.245A | 0.042A | 15.247W | 66.738% | 839 RPM | 21.6 dB(A) | 0.870 |
| 12.209V | 5.007V | 3.309V | 5.095V | 22.846W | 115.11V | ||||
This platform struggles to achieve over 70% efficiency in this test. That said, the Pylon unit performed quite well, reaching close to 67% efficiency.
5VSB Efficiency
| 5VSB Efficiency - XPG Pylon 750W | ||||
|---|---|---|---|---|
| Test # | 5VSB | Power (DC/AC) | Efficiency | PF/AC Volts |
| 1 | 0.100A | 0.510W | 69.293% | 0.025 |
| 5.096V | 0.736W | 230.23V | ||
| 2 | 0.250A | 1.273W | 74.532% | 0.056 |
| 5.093V | 1.708W | 230.23V | ||
| 3 | 0.550A | 2.798W | 76.406% | 0.114 |
| 5.087V | 3.662W | 230.23V | ||
| 4 | 1.000A | 5.078W | 78.937% | 0.179 |
| 5.077V | 6.433W | 230.22V | ||
| 5 | 1.500A | 7.600W | 79.490% | 0.233 |
| 5.066V | 9.561W | 230.23V | ||
| 6 | 2.500A | 12.617W | 79.282% | 0.300 |
| 5.046V | 15.914W | 230.23V | ||
The 5VSB rail's efficiency is satisfactory.
Power Consumption in Idle and Standby
| Idle / Standby - XPG Pylon 750W | ||||||
|---|---|---|---|---|---|---|
| Mode | 12 V | 5 V | 3.3 V | 5VSB | Power (AC) | PF/AC Volts |
| Idle | 12.215V | 5.006V | 3.309V | 5.098V | 3.966W | 0.126 |
| 230.2V | ||||||
| Standby | 0.090W | 0.002 | ||||
| 230.2V | ||||||
Vampire power stays below 0.1 W with 230 V input, so I am quite satisfied.
Dec 21st, 2024 20:16 EST
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