Control 4 ps2 based computers with vga video using this complete kvm kit with cablesr r all in one kvm kit includes four 3 in 1 cables for a complete out of the box solutionr compact space efficient form factor makes this product perfect for desktop applications where space is limitedr the kvm draws power from attached computers so no external power supplyoutlet is requiredr r control 4 ps2 based computers with vga video using this complete kvm kit with cables the sv411k 4 port black ps2