I have a compact Dell desktop to sell. Only the desktop tower and the keyboard+mouse included. No monitor. It is a nice/quite little computer if you don't do much computing or gaming. I have used it for a year with great satisfactory. Check out the specs below:

https://www.amazon.com/gp/product/B00K0HMRH2/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1

Screen Resolution No monitor included.
Processor 3.5 GHz Intel Core i3
RAM 4 GB DDR3
Hard Drive 1024 GB
Number of USB 2.0 Ports 4
Number of USB 3.0 Ports 2
Other Technical Details
Brand Name Dell
Series Dell Inspiron
Item model number i3647-2309BK
Operating System Windows 8.1
Item Weight 15.9 pounds
Product Dimensions 19.9 x 15.4 x 10.3 inches
Item Dimensions L x W x H 19.88 x 15.39 x 10.32 inches
Processor Brand Intel
Hard Drive Rotational Speed 7200 RPM