Lian Li EG1200G ATX v3.1 PSU Review

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% 8.105A 1.955A 1.978A 0.976A 119.994 88.374% 0 <6.0 48.72°C 0.974
12.140V 5.114V 3.337V 5.122V 135.782 40.19°C 114.83V
20% 17.220A 2.937A 2.971A 1.175A 239.957 91.04% 764 12.5 40.68°C 0.983
12.140V 5.108V 3.332V 5.107V 263.568 41.46°C 114.8V
30% 26.624A 3.429A 3.47A 1.374A 359.183 91.474% 880 16.5 41.16°C 0.988
12.137V 5.105V 3.328V 5.093V 392.663 42.24°C 114.75V
40% 36.126A 3.92A 3.971A 1.575A 479.561 91.376% 1071 22.6 41.58°C 0.992
12.134V 5.102V 3.324V 5.079V 524.828 42.89°C 114.71V
50% 45.241A 4.904A 4.971A 1.777A 599.279 90.896% 1224 26.6 42.09°C 0.994
12.130V 5.099V 3.32V 5.064V 659.303 43.42°C 114.67V
60% 54.431A 5.89A 5.974A 1.981A 719.796 90.219% 1416 30.6 42.55°C 0.995
12.125V 5.094V 3.315V 5.049V 797.838 44.06°C 114.63V
70% 63.562A 6.877A 6.98A 2.186A 839.52 89.407% 1690 35.9 43.39°C 0.996
12.121V 5.09V 3.31V 5.033V 938.983 44.91°C 114.57V
80% 72.756A 7.862A 7.987A 2.291A 959.499 88.525% 1865 38.6 43.62°C 0.996
12.118V 5.087V 3.305V 5.02V 1083.868 45.77°C 114.52V
90% 82.283A 8.358A 8.483A 2.397A 1079.298 87.59% 2064 41.3 44.96°C 0.996
12.114V 5.084V 3.301V 5.007V 1232.228 47.08°C 114.48V
100% 91.616A 8.854A 9.01A 3.01A 1199.309 86.46% 2128 42.4 45.78°C 0.997
12.111V 5.082V 3.296V 4.983V 1387.129 48.17°C 114.42V
110% 100.879A 9.845A 10.117A 3.018A 1319.935 85.195% 2133 42.4 46.04°C 0.995
12.110V 5.078V 3.291V 4.971V 1549.324 48.9°C 114.39V
CL1 0.115A 14.18A 14.358A 0A 121.293 81.436% 1236 26.7 41.46°C 0.978
12.152V 5.091V 3.322V 5.12V 148.943 42.88°C 114.82V
CL2 0.114A 19.645A 0A 0A 101.384 80.477% 1034 21.3 41.18°C 0.972
12.154V 5.09V 3.34V 5.134V 125.981 42.1°C 114.84V
CL3 0.114A 0A 19.891A 0A 67.38 74.373% 996 20.3 40.19°C 0.961
12.149V 5.115V 3.318V 5.128V 90.597 41.07°C 114.85V
CL4 99.118A 0A 0A 0A 1199.883 87.349% 2124 42.3 45.2°C 0.997
12.105V 5.098V 3.309V 5.064V 1373.683 48.01°C 114.44V

Load regulation is tight at 12V,  within 1% at 5V and loose at 3.3V.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 18.3 mV 9.8 mV 10.7 mV 9.5 mV Pass
20% Load 16.0 mV 9.1 mV 9.4 mV 9.0 mV Pass
30% Load 16.0 mV 10.2 mV 11.5 mV 10.6 mV Pass
40% Load 15.7 mV 11.1 mV 11.2 mV 10.2 mV Pass
50% Load 16.0 mV 11.3 mV 12.5 mV 10.9 mV Pass
60% Load 17.4 mV 12.3 mV 12.9 mV 11.6 mV Pass
70% Load 17.8 mV 12.6 mV 12.2 mV 11.8 mV Pass
80% Load 20.2 mV 12.7 mV 12.7 mV 11.1 mV Pass
90% Load 20.8 mV 13.6 mV 13.8 mV 11.7 mV Pass
100% Load 32.2 mV 15.4 mV 14.1 mV 13.2 mV Pass
110% Load 33.5 mV 15.1 mV 14.6 mV 13.4 mV Pass
Crossload 1 24.9 mV 14.5 mV 15.0 mV 22.7 mV Pass
Crossload 2 17.5 mV 13.9 mV 12.7 mV 20.5 mV Pass
Crossload 3 15.0 mV 12.1 mV 14.0 mV 20.2 mV Pass
Crossload 4 32.8 mV 12.8 mV 12.6 mV 24.6 mV Pass

Ripple suppression is good.

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15 thoughts on “Lian Li EG1200G ATX v3.1 PSU Review

  1. Just bought this one for a new build.

    The fan has a weird initial ramp up noise (grinding/bearing noise), then it quiets down 4-5 seconds after. Not sure if you had this issue while testing it. It can be a bit annoying since it’s 0RPM so you hear that ramp up motor/grind noise reasonable often even on idle.

    Here is a recording I did for reference which I posted on their Reddit page.

    https://www.reddit.com/r/lianli/comments/1mgbxg2/lian_li_1200w_edge_gold_fan_spin_up_noise/

      1. Got a replacement from Lian Li. The noise is still there but a bit better and lasts a shorter time. No obstructions.

        Its like an engine revv up noise for the first 3 seconds, then the noise goes away. Not sure if its just a bad fan curve going from zero to max rpm, or just a cheapo fan. Either way I might get something else with an Eco switch so i can just leave the fan on rather than getting ramp ups.

        1. Did some more digging, it looks like the Hong Hua fans are in some Seasonics and a few others. Apparently it doesn’t have a good reputation and now I know why. I actually found some testing you guys (Cybernetics) did on one of their fans and it rated it fairly well, so maybe it was just a bad batch?

          I’ve emailed their rep asking them to look at this internally.

  2. Just opted for this unit in preference to the 1200w Shift, largely due to the better cable quality and slightly better performance metrics. The shift uses Gen 5 cable connections. No mention of cable connections is mentioned in any review I’ve seen can I assume that these are gen 4 cables.

    1. Please note that Gen 4/5 cables refer to Corsair units. Unless you check, you should never mix cables between different brand PSUs, even between PSU models.

  3. Do we still need to concern about capacitor these days? Especially the japanese one? I read that Nippon-ChemiCon are now produced with Chinese Manufacture like ChengX that now make Rubycon and Nippon-ChemiCon. Does that mean they all now have the same quality?

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