Is your memory on the QVL list for that motherboard?
What is the exact memory brand/part?
Can you test the PSU in another computer or with a PSU tester?
Inspect the 24-pin EATX12V and 8-pin EATX12V connectors, motherboard-side pins might be damaged from force, unsoldered PSU-side pins/crimps could be disconnected or "loose" inside their housings (at either end if they're modular cables). You can test cable/pin continuity with a DMM, you can backprobe with a DMM to test if pins are receiving power.
Onboard speaker/piezo is not included with most motherboards these days, sadly, stupidly, but
plug-in parts can be purchased.
I can't tell if your motherboard comes with a speaker and if there are any beep codes then you can't hear them without a speaker.
(Unless, of course, you hear a brief beep during startup, in which case you obviously have a speaker, lol.)
Is the standby PWR_LED (green?) lit when system is plugged in?
Are any of the Q-LEDs - BOOT (green), VGA (white), DRAM (yellow), CPU (red) - ever lit during POST attempts or POST halts?
Are the POWER/RESET LEDs (or HDD LEDs) ever lit during boot, when pressed, when held?
The board will not boot with the CLRTC jumper in the wrong position (bridge pins 1-2 to clear CMOS/RTC RAM, otherwise leave unbridged).
Best to have the CPU_OV jumper disabled (bridge pins 1-2) when troubleshooting, only enable (bridge pins 2-3) when overclocking.
Is the motherboard CR2032 battery present, properly connected, and providing ≥3.0V?
Does the system boot (with errors) when keyboard/mouse are not connected?
"All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others." - Douglas Adams
[/Korth]