?After-Sale-Service? Every NICGIGA switch is rigorously tested for reliability, quality and performance. We provide a one-year warranty and lifetime technical support for the entire product. ?Plug and Play?Easy to use and simple to set up, no software or configuration required. Supports automatic MDI/MDIX and non-blocking data forwarding. ?6KV lightning protection design?Protects products and devices from damage even in bad weather. Adopt fanless design and metal housing to ensure good heat dissipation and stability of the device. Support desktop and wall mounting. ?Auto-Negotiation?Autonegotiation intelligently senses link speed and adjusts between 3 speeds (100Mb/1G/2.5G) to provide compatibility and optimal performance for all your devices, including 2.5G WiFi 6 AP, 2.5G NAS, 2.5G PCIe adapter, 2.5G server, gaming PC, 4K video, etc. ?5 Port 2.5G Ethernet Switch?5*100/1000/2500Mbps RJ45 Ethernet ports, 1*10G uplink SFP port, 45Gbps switching capacity to meet the broadband needs of more devices, build more stable and larger network?.