Description The HP JC772A is an HP 5500-24G EI Layer 2/3 managed switch designed for high-performance, secure, and scalable enterprise networking. It features 24 Gigabit Ethernet ports and supports advanced Layer 3 routing, QoS, ACLs, and IPv6. Technical Specifications Condition New/Never Used Surplus Brand HP Networking Category Networking Equipment Part Number J4899B Subcategory Managed Layer 3 Ethernet Switches Enclosure Type Rack-mountable 1U Ports 48 X 1 Gigabit / 10 Gigabit Sfp+ + 4 X 40 Gigabit Qsfp+ Throughput 952 Mpps Routing/Switching Capacity 1280 Gbps Routing Table Entries 16000 Mac Address Table Size 128k Entries RAM 2 Gb - Sdram Flash Memory 512 Mb Interfaces 48 X 10gb Ethernet - Sfp+ 4 X 40gb Ethernet - Qsfp+ Serial1 X Console - Rj-45 - Management Hi-speed Usb1 X 4 Pin Usb Type A 1 X Rj-45 - Management Voltage Required AC 120/230 V ( 50/60 Hz ) Power Consumption Operational 260 Watt Weight 28.66 lbs Information About J4899B The HP J4899B, also known as the ProCurve 2650, is a Layer 2 managed Fast Ethernet switch designed to provide reliable, secure, and scalable network connectivity for small and medium-sized businesses. With 50 total ports, including 48 Fast Ethernet ports and 2 dual-personality Gigabit uplink ports, it offers flexible deployment options and robust management capabilities. Key Features 48 x 10/100 Mbps Fast Ethernet Ports: Provides access-layer connectivity for desktops, printers, and other devices. 2 x Dual-Personality Uplink Ports: Each can be used as either 10/100/1000Base-T or SFP-based fiber uplinks. Layer 2 Switching: Supports essential features such as VLANs, Spanning Tree Protocol (STP), and MAC address learning. Stackable Design: Enables simplified network expansion and management through physical or virtual stacking. Traffic Management: Includes rate limiting, port mirroring, and broadcast control for optimized performance. Security Features: 802.1X authentication MAC address-based access control Port security QoS Support: Traffic prioritization based on Layer 2 and Layer 3 parameters ensures smooth delivery of voice, video, and data. Auto MDI/MDIX: Automatically adjusts for straight-through or crossover cables, simplifying installation. Backplane Capacity: 13.6 Gbps Forwarding Rate: Up to 10.1 Mpps MAC Address Table Size: 8,000 entries Memory: 8 MB flash / 64 MB RAM Management Interfaces: CLI, web GUI, SNMP v1/v2c Software Features: VLAN tagging (802.1Q), RSTP, Link Aggregation, IGMP Snooping Form Factor: 1U Rack-Mountable