iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement

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iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

iMac Intel 21.5" Retina 4K Display (2017) RAM Replacement: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

The original RAM module closer to the logic board has a thermal pad adhered to its top side (facing away from the logic board, between the two DIMMs).
Peel off and transfer the thermal pad from the original RAM stick to your replacement RAM before you install it in the lower slot.

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