850w gold rated PSU from MSI for a good price, 10-year warranty.
Tier A PSU according to LTT list https://linustechtips.com/topic/1116640-psu-tier-list-40/
No total silent mode is probably the only compromise here.
Also get a free copy of Assassin's Creed: Valhalla - Dawn of Ragnarok from MSI https://au.msi.com/Promotion/Assassins-Creed-Valhalla-Dawn-o…
$113 with free delivery on ebay with ebay plus and coupon code SAVEAPRIL
https://www.ebay.com.au/itm/264941286743