T420, 8GB RAM, 500GB HDD & 120GB SDD (swapped out the cd drive with a hard disk caddy)...oh and my reddit avatar laser engraved on it : r/thinkpad
8GB Stick for IBM Lenovo ThinkPad T Series T420 T420i T420s T520 T520i. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com