Will a CoolMax 600W LED PSU be compatible with a ASUS Z97 Pro Gamer mobo?" has moved
- Thread starter Malaxus
- Start date
Richard416282
Prominent
- Jul 16, 2017
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There are two questions merged into one here. So, it is difficult to answer both.
For the question on 'Efficiency', there is the problem with the current. As the switching speeds of the data bus go up, the load on the power rails also goes up.
So, as the Power being drawn approaches the maximum, the overall efficiency of the PSU goes down.
So, the only way to absolutely know if this PSU will power your board, is to know the load that the board presents to the PSU.
OK, so we start with the CPU load, add the GPU load, then the main memory load, and finally the periphera loads and ending with your primary SSD , and secondary HDD drive loads.
Typically, you do not want to go to 2/3 of the RATED power value.
Now, for the RATING, coolmax have not been very accurate in their ratings, with labelling a 250-200 Watt unit as 500 Watts.
While it might be true to be able to handle 500 w at peak times, the DUTY FACTOR is not very high.
So, even if it is RATED 500 W, in other reviews here, Coolmax brand PSUs have failed.
The second part is the 20 pin / 24 pin / 28 pin power pins on the mainboard. Those should match the documentation on the mainboard connector. No Docs. then No opinion. Sorry. If you plug a +5 rail with a +12 supply, something will fry alonf the way from the mobo. Plug a 12V rail with a +3.3 supply, then the supply will shut down, and not deliver the 3.3 v to the rail. If the load on the 12V rail is not high, then the +3.3 v output will start but not be able to drive the load at 12v what is being expected.
So, one way will ket the 'magic smoke' out of the mobo, the other way will let the 'magic smoke' out of the PSU.
As good as PSUs get, they are built to a pricepoint, and the coolmax are built to a very low value. (not top tier).
So, I hope this helps your decision with a PSU.
It is always better to have some headroom in the power capabilities, but IMHO , this particular brand is a 50% load factor pass. 75% load factor is a fail.
Push the PSU to 90% adn you are asking for problems later down the road.
For the question on 'Efficiency', there is the problem with the current. As the switching speeds of the data bus go up, the load on the power rails also goes up.
So, as the Power being drawn approaches the maximum, the overall efficiency of the PSU goes down.
So, the only way to absolutely know if this PSU will power your board, is to know the load that the board presents to the PSU.
OK, so we start with the CPU load, add the GPU load, then the main memory load, and finally the periphera loads and ending with your primary SSD , and secondary HDD drive loads.
Typically, you do not want to go to 2/3 of the RATED power value.
Now, for the RATING, coolmax have not been very accurate in their ratings, with labelling a 250-200 Watt unit as 500 Watts.
While it might be true to be able to handle 500 w at peak times, the DUTY FACTOR is not very high.
So, even if it is RATED 500 W, in other reviews here, Coolmax brand PSUs have failed.
The second part is the 20 pin / 24 pin / 28 pin power pins on the mainboard. Those should match the documentation on the mainboard connector. No Docs. then No opinion. Sorry. If you plug a +5 rail with a +12 supply, something will fry alonf the way from the mobo. Plug a 12V rail with a +3.3 supply, then the supply will shut down, and not deliver the 3.3 v to the rail. If the load on the 12V rail is not high, then the +3.3 v output will start but not be able to drive the load at 12v what is being expected.
So, one way will ket the 'magic smoke' out of the mobo, the other way will let the 'magic smoke' out of the PSU.
As good as PSUs get, they are built to a pricepoint, and the coolmax are built to a very low value. (not top tier).
So, I hope this helps your decision with a PSU.
It is always better to have some headroom in the power capabilities, but IMHO , this particular brand is a 50% load factor pass. 75% load factor is a fail.
Push the PSU to 90% adn you are asking for problems later down the road.
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