HP ProDesk 400-G2 Mini Intel i5 8GB DDR4 Desktop

What’s the difference between this listing and this one?

http://computers.woot.com/offers/hp-prodesk-400-g2-mini-intel-quad-core-desktop-1?ref=ref%3Dcnt_wp_4_14

They appear pretty much identical…

Hmmmm, not sure. I’m checking with the computer team.