Assuming he only replaced the motherboard here, according to the original specs it has a small form factor 1050 ti: https://fabiensanglard.net/the_beautiful_mac

Assuming he only replaced the motherboard here, according to the original specs it has a small form factor 1050 ti: https://fabiensanglard.net/the_beautiful_machine/index.html https://fabiensanglard.net/the_beautiful_machine/index.html