Mini Desktops available on the secondary market

Available on ebay.  Ebay: Qotom

Qotom Mini Desktop Computer with 4 serial ports

Other SFF USFF form factor computers

• ThinkCentre M900
• ThinkCentre M72e
• Ebay: Prime Systems desktop
• Ebay: HP Compaq 6000 Pro SFF  – not so small but cheap!
• Ebay: ThinkCentre M93p – has wifi and serial port. CD add on module plentiful
• Ebay: Mini Desktop
• Ebay: Optiplex FX160
• Ebay: Z83II
• Ebay: Lenovo M91p
•  

Related Work

• HP ProDesk G1 Mini Desktop