USB 2.0 4 Port Peripheral Sharing Switch US224 ATEN, USB 2.0 compliant, support Windows, Linux ,Mac and Sun, Overcurrent protection, Hot pluggable, UK #1 KVM Market Leader - PC Maestro
4-Port USB 2.0 Cat 5 Extender (up to 100m) - UEH4002A, ATEN USB Extenders | ATEN U.S.A.
ATEN UE2120H - USB extender - USB, USB 2.0 - UE2120H - -
ATEN UCE260 USB 2.0 Cat 5 Extender - Up to 196 Ft.