This Dell OptiPlex 3020M is a great desktop, tiny and quiet.

CPU - i3 4160T 3.1 GHz
RAM - 8GB 
SSD - 120GB Samsung EVO 840
Network - Gigabit Ethernet, Wireless AC (no antenna fitted)
Ports - 3x USB3, 3x USB2, Ethernet, VGA, DisplayPort

Listing is for the desktop.

If you have any questions or would like more photos please ask.