Lian Li EG1200G ATX v3.1 PSU Review

Epilogue

The Lian Li EG1200G has a unique shape, which, according to its maker, offers some advantages in dual-chamber chassis. The USB and fan hub might interest some users, but if you ask my opinion, most mainboards nowadays have more USB headers than required. As for the fan hub, getting one that can also handle ARGB lighting is preferable. Since the PSU’s location is typically hard to reach, making the USB/fan hub removable is smart. Moreover, the removable fan dust cover is a nice idea, and it would be nice to see it in more PSUs!

Performance-wise, which matters the most, this unit isn’t competitive at 115V, with models like the Montech Titan Gold 1200W and the NZXT C1200 achieving notably higher performance. The latter unit’s price is similar to the MSRP of this Lian Li unit, but it doesn’t come with a USB and fan hub. Lian Li paid special attention to the high power cables to avoid any issues in the long run with powerful GPUs like the RTX 5090 and used a reliable fan to increase reliability. The filtering capacitors on the secondary side are not from known manufacturers to restrict the production cost; the same goes for most of the MOSFETs used in this platform. Until I check these Ltec capacitors’ performance, I prefer not to comment on their reliability because whatever information I find is dated. I want to test everything in my lab to be sure that the data I provide is accurate.

Overall, the Lian Li EG1200G is a decent unit sold at a fair price. Its performance is not highly competitive at 115V, but the difference from most PSUs in this category is not huge. It would score higher with better transient response at 12V and 3.3V under high loads. Moreover, Lian Li and Helly must look into the minor rails OCP triggering points, which need adjustments.

 

Before investing in a new power supply, read my Best ATX v3.x PSUs article to check all alternative PSU offerings. You help me a lot by using my affiliate links, which don’t increase the product’s price. I get a commission from Amazon every time you do it, which can make a difference for me, especially now that I am on my own, working exclusively for my media and not for someone else.

 

 

Pros:
  • Decent price for its features
  • Delivered full power at 46°C
  • Not noisy operation
  • Efficient
  • Tight load regulation on the +12V
  • Good ripple suppression
  • Good transient response (normal loads) at +12V
  • Higher than 70% efficiency with a 2% load
  • High enough power factor
  • Low vampire power
  • Alternative Low Power Mode (ALPM) compatible
  • 2x 12+4-pin PCIe connectors
  • Lian Li paid extra attention to the high-power cables
  • Removable USB/PWM hub & fan cover
Cons:
  • Not competitive performance at 115V
  • 12V and 3.3V rails drop low in the high-power ATX v3.x transient response tests
  • The minor rail OCP triggering points need adjustments
  • Mediocre transient response at 3.3V
  • Not sure about the capacitors quality on its secondary side
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7 thoughts on “Lian Li EG1200G ATX v3.1 PSU Review

  1. 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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