Mac Mini 6,1 (Late 2012) - A1347
2.5GHz Core i5 (2-cores)
16GB Ram (2 x 8GB) 1600MHz DDR3 (upgraded from original specs)
500GB internal drive
MacOS Catalina (upgrade to Big Sur may be possible with "open core")
Recently updated to MacOS Catalina from Mojave and has no known defects, so use "as is" and/or associate with your own AppleID for even more functionality.
Could be a good Channels DVR platform if upgraded to Big Sur OR maybe an even better one if wiped and converted to Linux.
hardware specs ... Mac mini (Late 2012) - Technical Specifications - Apple Support (note: thunderbolt/firewire/usb 3.0 ports for external disk and/or replace internal HDD with SSD for even better i/o)
Pictures and screenshots available upon request (PM me).
Asking $75 obo plus shipping.