New 21-Inch iMac Won’t Let Users Upgrade RAM Themselves, But 27-Inch iMac Will
Ask iFixIt: the thinner Apple makes their products, the less user serviceable they are. That’s why the new 21.5-inch iMac doesn’t allow users to upgrade the RAM themselves. The 27-inch, though, apparently does, a consequence of the added space.
- Source Apple

John Brownlee is Cult of Mac's Deputy Editor. He has also written for Wired, Playboy, Boing Boing, Popular Mechanics, VentureBeat, and Gizmodo. He lives in Boston with his girlfriend and two parakeets. You can follow him 

