iMac Intel 21.5" Retina 4K Display Repairability Score: 1 out of 10 (10 is easiest to repair)

Cutting the tape to open the iMac isn't too hard (with the right tools), but it must then be replaced to complete any repair.

The RAM is still soldered to the logic board—you're stuck with what you bought.

The Fusion Drive connector is missing from the logic board, killing all hope of storage hacking.

The CPU is soldered to the logic board, and cannot be replaced or upgraded.

The glass and Retina Display are fused together, increasing the cost of replacement.