If you are still looking, try setting an alert up on Slickdeals or Amazon directly as a few times over the last couple weeks the R7 was going for $400 new.
Selling a pair of previously-mined (in a grow tent since early-2021; temps no higher than 63 degrees C, fan speed less than 50%) Gigabyte Geforce RTX 3070 GPUs, $340 each + shipping F&F Paypal, else you cover Paypal fees w/ G&S. Please provide zip code for a shipping estimate (I use pirateship...