Question 2017 IMac 4k 21.5inch 3.4ghz quad core i5 - CPU upgrade

Jan 10, 2022
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Hi,

Im looking at upgrading 2017 iMac 4k 21.5inch 3.4ghz quad core i5

What's the highest cpu i can install ?

Ifixit advertise the - Intel Core i7-7700 Desktop Processor 4 Cores up to 4.2 GHz LGA 1151 100/200 Series 65W

Can I go to say an i9 etc ?

Any help much appreciated

cheers