https://www.bestbuy.com/site/thermaltake-tr2-600nl2nc-atx-12v-eps-12v-power-supply-black/5381884.p?skuId=5381884
600w powersupply for $35 on clearance at bestbuy. Mine came with free 2 day delivery, ordered Monday night, getting it today. Normally $70, just as a comparison it's $65 at Newegg...
It's from Newegg through their Ebay store.
https://www.ebay.com/itm/Acer-Predator-XB271HU-27-WQHD-IPS-NVIDIA-G-Sync-Black-Red-Gaming-Monitor-2560/291654066158?epid=232106923&hash=item43e7efdfee:g:YdoAAOSwV4BZ0LeI:rk:5:pf:0
Use the ebay app and discount code PICKFAST