About iMac memory

• Capacity: 16GB-128GB
• Memory Type: 260 pin SO-DIMM
• Speed: DDR4-2666MHz (PC4-21300)
• Unbuffered
• Nonparity
• Meets Apple specifications
• JEDEC Compliant
• RoHS Compliant
• Limited lifetime warranty

How much memory is right for you?
With more memory in your iMac, you can run more apps simultaneously and work with larger data sets with a higher rate of performance. 

iMac memory 
Supports up to 128GB of  DDR4-2666MHz PC4-21300 SO DIMM


Upgrade Tips

• Slots: 4 (user accessible)
• interleaving Supports: Yes
• Install in pairs for best performance.