Best mouse for Mac: 12 brilliant Mac-compatible mice http://www.macworld.co.uk/feature/mac/best-mac-mouse-review-test-mice-3610923/
Split Your Fusion Drive Apart http://macs.about.com/od/diyguidesprojects/ss/Split-Your-Fusion-Drive-Apart.htm
Mac mini (Late 2012 and later), iMac (Late 2012 and later): About Fusion Drive https://support.apple.com/en-us/HT202574