Guaranteed compatible upgrades for:

Apple iMac 2011 (Mid) Core i5 2.7 GHz 21.5-inch (iMac12,1)

System Specifications
Maximum Memory:
  • 16GB (Original Apple Specs)
  • 32GB (Confirmed by 100's of our customers)
  • 4 Sockets
Standard Memory:
  • 4 GB (Removable)
  • Intel Core i5 2.7 GHz Intel HM67
Bus Architecture:
  • Flash - SDXC; SSD - SATA 2.5-inch 9.5mm
Mfr's System P/N's:
  • MC309K/A; MC309LE/A; MC309LL/A; MC812K/A; MC812LE/A; MC812LL/A
Upgrade Path:
  • Virtually any configuration up to 32GB can be reached using any combination of 1GB, 2GB, 4GB, and 8GB modules.