Deepcool PQ1000G ATX v3.1 PSU Review

Epilogue

The Deepcool PQ1000G offers an alternative option to the PN1000M, which uses CWT’s omnipresent CSZ platform. The overall performance is not high enough to threaten the competition, but it is not so far away from the majority of offerings in this section. Surely, Helly Technology could improve this platform’s overall performance by tuning the platform to offer tighter load regulation at 3.3V and 5VSB and better ripple suppression overall. Moreover, I want to see above 70% efficiency with a 2% load, which is not true for the PQ1000G. The PSU’s overall efficiency is satisfactory, and the APFC converter does an excellent job of restricting the amount of wasted energy. The 5VSB rail is also highly efficient, and vampire power is low.

Contrary to its 1200W sibling, the average noise output doesn’t exceed 30 dBA, which I consider the limit for relatively quiet PSUs. With a larger PCB and chassis, airflow could be better. Using a larger fan would also decrease the average noise output since a larger fan would output the same airflow as a smaller fan but at lower speeds, so its noise would be lower, too.

In the protection features section, which is among the most crucial, the things that need attention are the high OCP triggering points on the minor rails, their minimal deviation between cold and hot OCP triggering points, the high over power protection triggering points, and their minimal deviation between hot and cold conditions. Typically, the triggering points should fall notably under hot conditions to provide better protection.

I don’t know when this PSU will be available in other markets besides the Chinese one, but Deepcool informed me that this will happen this year, and the price will be attractive. If the PQ1000G has a lower price than the PN1000M, which currently goes for 129 dollars, then Deepcool will have a vital asset.

To give you an idea of the prices of the competition:

  • ARESGAME AGT Series ATX 3.0 & PCIE 5.0 1000W: $110
  • Vetroo 1000W Power Supply ATX 3.0: $120
  • Deepcool PN1000M: $129
  • be quiet! Pure Power 12 M 1000W: $140
  • Corsair RM1000e: $140
  • ASUS TUF Gaming 1000W: $157
  • MSI MPG A1000G PCIE 5: $160

1000W ATX v3.x PSU reviews:

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:
  • Delivered full power at 47°C
  • ATX v3.1 and PCIe 5.1 ready
  • Good build quality
  • Good transient response at 12V (ATX v3.1)
  • Tight load regulation at 12V and 5V
  • Long enough hold-up time
  • Low inrush currents
  • Well-performing APFC converter
  • Properly set 12V OCP
  • Efficient 5VSB rail
  • Low standby power
  • Alternative Low Power Mode (ALPM) compatible
  • FDB Hong-Hua fan
  • Fully modular (individually sleeved cables)
  • Enough cables and connectors, including a high-power one (12+4 pin, 600W)
  • Compact dimensions (140mm depth)
Cons:
  • Not competitive overall performance
  • OPP triggering points need tuning
  • OCP triggering points need tuning on the minor rails
  • Lower than 70% efficiency with a 2% load
  • Mediocre transient response (normal loads)
  • Loose load regulation at 3.3V and 5VSB
  • EPS cables should be 650mm long
  • Short distance (120mm) between peripheral connectors
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