Is this a good laptop? ThinkPad x220 i7-2620M, 8 Gb ram, IPS screen. How to get 5 ghz WiFi and bluetooth 4 or 5 on it? Maybe some other useful upgrade? : r/thinkpad
Finally upgraded the RAM in my X220 : r/thinkpad
Lenovo Thinkpad X220 - iFixit
OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad X220 (DDR3-10600) Laptop Memory at Amazon.com