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MIFCOM Performance 450 W Review - For Tight Budgets
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 high enough for all load ranges given this PSU's price tag.
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 - MIFCOM Performance 450W | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test | 12V | 5V | 3.3V | 5VSB | Power (DC/AC) | Efficiency | Fan Speed | PSU Noise | Temp (In/Out) | PF/AC Volts |
| 10% | 1.926A | 1.916A | 1.96A | 1A | 45.02W | 80.496% | 677 RPM | 19.6 dB(A) | 34.11°C | 0.763 |
| 12.158V | 5.22V | 3.367V | 5.001V | 55.929W | 39.12°C | 230.3V | ||||
| 20% | 4.874A | 2.88A | 2.951A | 1.204A | 90.027W | 86.515% | 680 RPM | 20 dB(A) | 34.51°C | 0.893 |
| 12.130V | 5.209V | 3.356V | 4.986V | 104.059W | 40.24°C | 230.3V | ||||
| 30% | 8.174A | 3.366A | 3.452A | 1.408A | 134.977W | 88.339% | 682 RPM | 20 dB(A) | 35.41°C | 0.932 |
| 12.101V | 5.2V | 3.347V | 4.972V | 152.794W | 41.57°C | 230.3V | ||||
| 40% | 11.502A | 3.854A | 3.956A | 1.614A | 180.066W | 88.953% | 687 RPM | 19.7 dB(A) | 35.86°C | 0.953 |
| 12.072V | 5.191V | 3.337V | 4.958V | 202.427W | 42.41°C | 230.3V | ||||
| 50% | 14.494A | 4.828A | 4.963A | 1.821A | 225.067W | 88.683% | 919 RPM | 27.9 dB(A) | 36.32°C | 0.964 |
| 12.043V | 5.18V | 3.325V | 4.942V | 253.787W | 43.32°C | 230.3V | ||||
| 60% | 17.500A | 5.808A | 5.978A | 2A | 269.921W | 88.184% | 1147 RPM | 34.3 dB(A) | 36.48°C | 0.974 |
| 12.014V | 5.167V | 3.313V | 4.927V | 306.089W | 44.45°C | 230.29V | ||||
| 70% | 20.523A | 6.794A | 7.001A | 2.242A | 315.069W | 87.503% | 1395 RPM | 39.4 dB(A) | 37.34°C | 0.977 |
| 11.984V | 5.154V | 3.3V | 4.909V | 360.065W | 46.01°C | 230.3V | ||||
| 80% | 23.609A | 7.784A | 8.032A | 2.35A | 360.136W | 86.713% | 1516 RPM | 41.6 dB(A) | 37.74°C | 0.98 |
| 11.953V | 5.141V | 3.287V | 4.895V | 415.32W | 47.01°C | 230.3V | ||||
| 90% | 27.074A | 8.286A | 8.546A | 2.459A | 405.254W | 85.966% | 1519 RPM | 41.7 dB(A) | 38.6°C | 0.983 |
| 11.920V | 5.132V | 3.277V | 4.881V | 471.414W | 48.51°C | 230.3V | ||||
| 100% | 30.522A | 8.792A | 9.099A | 2.57A | 449.973W | 85.061% | 1519 RPM | 41.7 dB(A) | 39.6°C | 0.985 |
| 11.885V | 5.121V | 3.265V | 4.866V | 528.999W | 49.82°C | 230.29V | ||||
| 110% | 33.722A | 9.794A | 10.244A | 2.576A | 495.382W | 83.831% | 1519 RPM | 41.7 dB(A) | 40.88°C | 0.987 |
| 11.848V | 5.108V | 3.251V | 4.854V | 590.929W | 51.69°C | 230.29V | ||||
| CL1 | 0.116A | 11.636A | 11.947A | 0.001A | 101.34W | 78.936% | 1430 RPM | 40 dB(A) | 36.02°C | 0.915 |
| 12.120V | 5.176V | 3.323V | 4.994V | 128.382W | 43.27°C | 230.3V | ||||
| CL2 | 0.118A | 19.318A | 0A | 0.001A | 101.467W | 76.35% | 1234 RPM | 36.2 dB(A) | 37.34°C | 0.918 |
| 12.109V | 5.178V | 3.345V | 5.007V | 132.898W | 45.86°C | 230.3V | ||||
| CL3 | 0.115A | 0A | 19.825A | 0A | 67.401W | 70.952% | 1271 RPM | 37 dB(A) | 38.71°C | 0.881 |
| 12.153V | 5.216V | 3.329V | 5V | 94.995W | 48.37°C | 230.3V | ||||
| CL4 | 37.863A | 0A | 0A | 0.001A | 449.893W | 86.909% | 1517 RPM | 41.6 dB(A) | 39.66°C | 0.984 |
| 11.882V | 5.167V | 3.304V | 4.979V | 517.663W | 49.75°C | 230.3V | ||||
I stressed the PSU a lot, with 110% load for a prolonged period at 41°C, and it didn't struggle. Moreover, it successfully passed all crossload tests, so I can't complain. The fan profile is aggressive to keep operating temperatures as low as possible. This being a budget platform, it needs to be kept cool to ensure longevity.
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.| Light Load Efficiency - MIFCOM Performance 450W | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test | 12V | 5V | 3.3V | 5VSB | Power (DC/AC) | Efficiency | Fan Speed | PSU Noise | Temp (In/Out) | PF/AC Volts |
| 20W | 1.221A | 0.478A | 0.489A | 0.199A | 20.014W | 69.608% | 670 RPM | 19 dB(A) | 30.6°C | 0.563 |
| 12.173V | 5.228V | 3.376V | 5.033V | 28.752W | 33.74°C | 230.3V | ||||
| 40W | 2.690A | 0.67A | 0.685A | 0.299A | 40.015W | 80.428% | 673 RPM | 19.2 dB(A) | 31.57°C | 0.732 |
| 12.160V | 5.226V | 3.373V | 5.027V | 49.753W | 35.21°C | 230.3V | ||||
| 60W | 4.161A | 0.862A | 0.882A | 0.399A | 60.017W | 84.68% | 673 RPM | 19.2 dB(A) | 32.55°C | 0.818 |
| 12.148V | 5.222V | 3.369V | 5.02V | 70.875W | 36.72°C | 230.3V | ||||
| 80W | 5.633A | 1.054A | 1.079A | 0.499A | 79.987W | 86.779% | 675 RPM | 19.3 dB(A) | 32.84°C | 0.875 |
| 12.135V | 5.218V | 3.365V | 5.014V | 92.174W | 37.61°C | 230.3V | ||||
Efficiency levels are satisfactory at light loads.
5VSB Efficiency
| 5VSB Efficiency - MIFCOM Performance 450W | ||||
|---|---|---|---|---|
| Test # | 5VSB | Power (DC/AC) | Efficiency | PF/AC Volts |
| 1 | 0.1A | 0.504W | 66.262% | 0.025 |
| 5.039V | 0.761W | 230.3V | ||
| 2 | 0.25A | 1.259W | 74.289% | 0.055 |
| 5.034V | 1.695W | 230.3V | ||
| 3 | 0.55A | 2.765W | 78.298% | 0.109 |
| 5.025V | 3.531W | 230.29V | ||
| 4 | 1A | 5.012W | 79.212% | 0.177 |
| 5.011V | 6.327W | 230.29V | ||
| 5 | 1.5A | 7.495W | 79.68% | 0.233 |
| 4.996V | 9.406W | 230.29V | ||
| 6 | 2.501A | 12.416W | 79.287% | 0.305 |
| 4.965V | 15.66W | 230.29V | ||
5VSB performance is close to that of the competition.
Power Consumption in Idle and Standby
| Idle / Standby - MIFCOM Performance 450W | ||||||
|---|---|---|---|---|---|---|
| Mode | 12V | 5V | 3.3V | 5VSB | Power (AC) | PF/AC Volts |
| Idle | 12.186V | 5.231V | 3.382V | 5.043V | 6.042W | 0.175 |
| 230.29V | ||||||
| Standby | 0.132W | 0.004 | ||||
| 230.29V | ||||||
Power consumption is a bit high on standby with 230 V input. A value below 0.1 W would be ideal.
Dec 23rd, 2024 12:45 EST
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