This is a near new 48 port switch in excellent condition. It was used in our data center for 12 months then placed into storage when the GFC hit. Happy to post anywhere in Australia at my cost. Model Brand D-Link Model DXS-3350SR Format & Standards Format Rackmount Standards IEEE 802.3 Ethernet, 802.3u Fast Ethernet, 802.3ab Gigabit Ethernet 802.1D Spanning Tree, 802.1w Rapid Spanning Tree, 802.1s Multiple Spanning Tree, 802.1p, 802.1v Network Management Type Managed Ports & Interface Primary Ports 48 Port 10/ 100/ 1000 Switch with 4 Combo SFP, 10GbE stacking Primary Port Speed 10/ 100/ 1000Mbps Data Transmission MAC Address Table 16K VLAN Support 802.1Q support, GARP/ GVRP, Max number of VLANs 4K, Static VLANs up to 4K, Dynamic VLANs, up to 255, 802.1v Jumbo Frames Up to 9,216 bytes Details Security 802.1x Port & MAC based Access Control, SSH, SSL, TACACS/ TACACS , RADIUS, Cisco-like Port Security PoE No Stackable Yes SNMP Yes QoS Yes LACP Yes Layer 3 Port Mirroring Yes Module Support Yes Power 100-120, 200-240VAC, 50/ 60 Hz Internal Universal Power Supply Features Features 176Gbps Switching Capacity Recoverable Ring or Star Stacking Architecture Dual 10-Gig Stacking Ports and Optional 10-Gig Uplinks Stacks up to 8 Units per Stack Dimensions & Weight Dimensions 17.4" x 16.9" x 1.7" Weight 14.3 lbs. Environmental Temperature 0 C to 40 C (32 F to 104 F) Humidity 5% - 95%, Non-condensing.