Upgrades for iMac 27″ 2012–Mid 2015

8.0GB PC3-12800 1600MHz SO Kit (4GB + 4GB) @Check Price
12.0GB PC3-12800 1600MHz SO Kit (4GB + 8GB) @Check Price
16.0GB PC3-12800 1600MHz SO Kit (8GB + 8GB) @Check Price
32.0GB PC3-12800 1600MHz SO Kit (8GB + 8GB + 8GB + 8GB) @Check Price

• iMac 27" i5 2.9GHz
  
• iMac 27" i5 3.4GHz
  
• iMac 27" i7 3.5GHz
  
• iMac 27" i5 3.2GHz
  
• iMac 27" i7 3.4GHz
  

Recommended:
• iMac comes with 4 memory slots supporting up to 8GB per slot
• iMac supports 32GB total memory
• Install in pairs (2 modules at a time) for the best performance