The ProCurve 2100 Switch series is a low cost, unmanaged 24-port switch with 10/100 auto-sensing per port and 1 open transceiver slot for a 100Base-FX uplink, the ProCurve Switch 2124 offers HP Auto-MDIX on all 10/100 ports.
HP ProCurve 2124 Switch
HP ProCurve 2124 Switch