Full Details from Amazon.com : http://www.amazon.com/gp/product/B00006B8EN?tag=onigi-20
StarTech 4-Port Black PS/2 KVM Switch Kit with Cables (SV411K)
All in one KVM kit includes four 3-in-1 cables for a complete out-of-the-box solution
Compact space efficient form factor makes this product perfect for desktop applications where space is limited
The KVM draws power from attached computers so no external power supplyoutlet is required
Unique 3-in-1 cables included prevent keyboard and mouse connectors from becoming loose
Supports PS2 keyboard and mouse emulation for error-free PC boot
All in one KVM kit includes four 3-in-1 cables for a complete out-of-the-box solution