The Lian Li EG1000 Platinum ATX 3.1 PSU maintains commendable efficiency during hot testing. The unit achieves an average nominal load efficiency of 89.1% with a 115 VAC input and 91% with a 230 VAC input. This indicates some degradation due to the elevated ambient temperature but within reasonable limits. There are signs of thermal stress at maximum load, with greater efficiency degradation.
Even though the ambient temperature is significantly higher, the fan once again does not start right up, but once the load is a little higher than 70 Watts. It maintains its linear speed profile but accelerates more rapidly, reaching its maximum speed just below a 900-watt load. It keeps fairly low noise levels when the load is below 300-400 Watts, but the noise output will increase rapidly after that point, with the EG1000 becoming very loud at loads above 800 Watts.
The Lian Li EG1000 Platinum's relatively compact size does not do it any favors when it comes to thermal performance. The internal temperatures are on the high side for an 80Plus Platinum-certified unit, although they stay within safe operational limits. There is a small spike at maximum load due to the fan's inability to increase its speed any further, but the final temperatures are far too low to trigger an OTP event.
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