iMac Intel 24" EMC 2134 Hard Drive Replacement
5 - 15 minutes
Slow tempo about an hour. No problems and no mistakes, thanks to the guide of Brittany McCrigler: iMac Intel 24" EMC 2134 and 2211 Hard Drive Replacement
The only thing that I didn't follow, was step 11 "disconnect the LCD cable by pulling down". I disconnected it from the lcd-screen itself.
2 TB SSD Hybrid 3.5" Hard Drive
Anti-Static Wrist Strap
TR6 Torx Security Screwdriver