We are more than happy to help you and settle all of your concerns. Brocade ICX 6450-48, 48-Port Gigabit Ethernet PoE+ Switch, Uplink/Stacking Ports. Gigabit Ethernet, VLAN, POE+. Number of Ethernet Ports. 24 port, 48 port. Switch – 48 ports – L3 – managed – stackable. 48 x 10/100/1000 + 2 x 10 Gigabit Ethernet / 1 Gigabit Ethernet SFP+. Switching capacity: 176 Gbps Forwarding performance: 132 Mpps Stacking bandwidth: 40 Gbps. Virtual interfaces (VLANs): 4096 Spanning Tree Protocol instances: 253. Max Units In A Stack. SNMP 1, RMON, Telnet, SNMP 2c, HTTP, HTTPS, TFTP, CLI. RADIUS, TACACS, TACACS+, Secure Shell v. 2 (SSH2), Extensible Authentication Protocol (EAP). Flow control, auto-uplink (auto MDI/MDI-X), IGMP snooping, DoS attack prevention, DiffServ support, Weighted Round Robin (WRR) queuing, MAC address filtering, IPv6 support, High Availability, Link Fault Signaling (LFS), Metro Ring Protocol (MRP) support, sFlow, Rapid Spanning Tree Protocol (RSTP) support, Per-VLAN Spanning Tree (PVST), Virtual Route Redundancy Protocol (VRRP) support, Virtual Switch Redundancy Protocol (VSRP) support, VLAN Stacking, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Access Control List (ACL) support, Quality of Service (QoS), Digital Optical Monitoring (DOM) support, DHCP server, MLD snooping, Dynamic ARP Inspection (DAI), Per-VLAN Spanning Tree Plus (PVST+), LLDP support, DHCP relay, Link Aggregation Control Protocol (LACP), Per-VLAN Rapid Spanning Tree (PVRST). AC 120/230 V (50/60 Hz). Each port pass-thru test passed. Items will be inspected for customer and parcel damage upon their return. Reborn Electronics does not guarantee battery life. We are an R2 certified asset recovery company. Stay informed, follow us on Facebook.