KVM-221 2-Port USB KVM Switch Desktop with Audio and 6-ft Cable
By D-Link Systems

Control two computers using one monitor, USB keyboard, and USB mouse with D-Links 2-Port USB KVM Switch with Audio Support the KVM-221 allows users to effortlessly control two systems without having to buy additional computer peripherals. It is ideal for the home office where business files are kept on one computer and personal files on another. ... 

MiniView Ultra 8 Port PS/2 KVM Switch with OSD and 8 Cables
By IOGEAR

8 port PS/2 KVM Switch with OSD and (4) 6 ft Cables & (4) 10 ft Cables ... 

MiniView Micro 2-Port Audio KVM with 6 inch Built in Cables PS/2
By IOGEAR

Introducing the two port MiniView Micro Audio KVM switch from IOGEAR- the simplest way to manage two PCs or Macs* from a single keyboard, monitor and mouse and share the multimedia speakers among them. This self-powered KVM switch features mouse and keyboard emulation to ensure smooth operation, as well as support for Plug-n-Play monitors and most wheel mice. ...