Predator PO3-655: RAM DDR5 5600 works on 4400 and power supply voltage drops

overcrate
overcrate Member Posts: 1 New User
edited November 26 in Predator Desktops

I have bought Predator PO3-655 DG.E45EG.00G. Stock 2 x 8gb Apacer DDR5 5600 supports JEDEC#9 and JEDEC#10 (2800 MHz) and should perform @5600 MT/s, but it works only @4400 MT/s. It is intalled according to the manual in DIMM1 and DIMM2 (the second and the fourth slot with respect to CPU). BIOS 1.02 have no options to manage RAM frequency neither XMP.
I have read on the forum that it should work @5600 MT/s. What should I do to make it work @5600 MT/s?
Another problem that the CPU I7 14700F has Current/EDP limit throtling for 60% of time without load (I think 12 V line voltage drops) and also locked for max power @135W. Acording the techical data for PO3-655 DG.E45EG.00G the power supply is 750W. The 750W power supply should not behave like this.
Even if I change radiator I will not be able increase power limit to the processor to 219W to have maximal performence in the future because of Current/EDP limit throtling. Acording to the tests CPU performance is 60% of its maximal. I think it is because of the power limits and DDR5@4400.

I think my PC has some sort of deffect either the ajustments is not ok((

Answers