PSU

When you purchase a PSU it is best to get something powerful enough.

USB ports can be used to charge devices and extra current can be configure for this purpose via the BIOS.

X370 motherboards require a 8 pin EPS Power cable 12 volt

I opted for an 850 Watt PSU

After 2 years the PSU became problematic. The 24 pin connector stopped making proper contact and sometimes did not power up. The problem was identified as when I gently moved the 24 pin connector the system power up. I replaced the PSU with a "750W - Aerocool MOD XT 80+ Bronze Modular Power Supply" which has been working as it should since it was replaced. This PSU includes 8 pin EPS power connector.

new PSUold PSU

This connection is similar to a PCI EXPRESS ADAPTOR but it is not the same thing. You will also notice the layout of the

connector is different. I needed this adaptor as the PSU did not have this connector. If you can find a PSU which includes an 8 pin EPS power connector that will avoid the need for this device.

You will find many of the latest motherboard require this ATX_12V power.