We are more than happy to help you and settle all of your concerns. Cisco SG300-28P 28-Port Gigabit PoE Managed Switch – Tested/Each Port. Gigabit Ethernet, Layer 3, PoE, VLAN. Number of Ethernet Ports. 24 port, 26 port, 28 port. Switch – 28 ports – L3 – managed. 26 x 10/100/1000 + 2 x combo Gigabit SFP. Power Over Ethernet (PoE). Switching capacity: 56 Gbps Forwarding performance (64-byte packet size): 41.67 Mpps. Virtual interfaces (VLANs): 256. Secure Shell (SSH), RADIUS, TACACS+. Layer 3 switching, layer 2 switching, DHCP support, BOOTP support, VLAN support, IGMP snooping, Syslog support, DoS attack prevention, port mirroring, DiffServ support, Weighted Round Robin (WRR) queuing, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Unicast Storm Control, firmware upgradable, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, MLD snooping. Port transmission speed, system, link/activity. Each port pass-thru test passed. Unit(s) does have some heavy scratches. 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.