Answer to: Mac Mini Unibody 2014 RAMThis info in the upgrade options for systems indicates it is. There is no important note disclaimer for the Mac mini. Mac mini Memory: (1) Upgrade your memory to enjoy greater performance for more intensive computing tasks or multitasking. Your Mac mini uses one of the fastest memory technologies available today — 1600MHz Low-Power Double Data Rate 3 (LPDDR3) synchronous dynamic random-access memory (SDRAM) — ensuring that the processor is constantly fed with data without wasting clock cycles. iMac Memory: (1) Upgrade the memory in your iMac to enjoy greater performance for more intensive computing tasks and allow professional applications like Aperture and Final Cut Pro to run at peak performance. Important note: Every 21.5-inch iMac comes with 8GB of memory built into the computer. If you think you may need 16GB of memory in the future, it is important to upgrade at the time of purchase, because memory cannot be upgraded later in this model.