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Model A1419 / EMC 3070 / Mid 2017 / 3.4, 3.5 or 3.8 GHz Core i5 or 4.2 GHz Core i7 Kaby Lake Processor (ID iMac18,3) / Retina 5K Display. Benutze die Anleitungen des iMac Intel 27" Retina 5K Display (Ende 2014 & 2015), da das Gerät sehr ähnlich ist.

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Can iMac 5k 2017 upgrade to i9 processor?

I would like to upgrade the CPU of my mid 2017 imac 5k retina (3.8 GHz Intel Core i5 with Radeon Pro 580 8192 MB) to the i9 9900k or 9900kf cpu. Is this possible? I believe that the pinout for both these chips is the same, but I’m not sure if the chipset will accept the new cpu and whether my current motherboard will be able to utilize the full power of i9 and the OS will be able to handle it.

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Sorry just not possible!

This series is limited to what Apple released iMac18,3. In this case the best you could install would be a 4.2 GHz Core i7 (I7-7700K).

While all of them use the same socket (FCLGA1151) The RAM speeds are also different DDR4-2133 Vs DDR4-2666 the logic board is not able to support it. And lastly the TDP this system requires is 91 W Vs the hotter 95 W CPU’s. The systems firmware won’t recognize the CPU.

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guttikar wird auf ewig dankbar sein.
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