Original Graphics GT 755M A1419 Motherboard For Apple iMac 27" A1419 Logic Board 820-3478-A Late 2013 ME088LL/A - AliExpress
I game on a 3.2 GHz Intel Core i5, 8GB DDR3, NVIDIA GeForce GT 755M 1024 MB Mac, planning on upgrading to the Crusher or Exterminator in PCMR Custom Builds, advice is