Thanks so much to everyone that helped out with comments!
...
Just ordered one of these for the PSU:
https://www.amazon.com/dp/B07X9SVB5K?psc=1&smid=A1QLGMVB669WW&ref_=chk_typ_imgToDp
cgminer version 4.11.1 - Started: [2021-10-21 08:51:19.768]
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(5s):1.013T (1m):1.016T (5m):1.017T (15m):986.4G (avg):983.1Gh/s
A:709450 R:8192 HW:157 WU:13734.2/m
Connected to us-east.stratum.slushpool.com diff 1.06K with stratum as user ------.worker1
Block: 1fce3401... Diff:20.1T Started: [09:39:48.710] Best share: 572K
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SB management [P]ool management
0: GSI 10040368: BM1387:12+ 750.00MHz T:750 P:750 (8:4) | 98.9% WU:^96% | 1.016T / 983.1G
h/s WU:13734.2/m----------------------------------------------------------------