This sale is for a Avocent 520-255-004 KVM PS/2 System Integration Module. I have a few of these and most look like they were never used. Winning buyer to pay $3.50 shipping. If you need more than one, adjust quantity at checkout. Only $1.00 additional shipping for each. See pictures of all sides for condition.There are a few reflections in the pictures, sorry. Please use the shipping calculator for priority or Parcelselect shipping rates to your zip code. I accept paypal. It can be picked up at my residence in Mechanicsburg, PA 17055 with a ca$h payment. Please Email any questions. See my other sales for other electronics, beer signs, and other collectiblestuff.