5520 vim 4x extreme network switch

{"cid":"91217105","title":"Superior Speed Extreme 5520-Vim-4X Switch for Seamless Network Performance","imgUrl":"https:\/\/img.chinax.com\/nimg\/0e\/a6\/68f7dcf4a4e3f4962be624c00396-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Extreme","Model Number":"5520-VIM-4X","Minimum Order Quantity":"1pcs","Delivery Time":"Based on inventory","Payment Terms":"T\/T","Supply Ability":"Supply by project\/batch","Packaging Details":"outer box","Model NO.":"5520-VIM-4X","Transmission Rate":"10\/100\/1000Mbps","Ports":"\u22668","Operating System":"Extreme Xos","L3":"WLAN\/STP\/Lldp\/Lacp","Transport Package":"Carton","Specification":"449\u00d7 441 \u00d7 44mm","Trademark":"Extreme"}}

{"cid":"91223307","title":"Industrial-Grade PoE++ Switch With 6x Gigabit Ports & 4x SFP H3C LS-IE4320-6P-AC","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/68\/d77f91aef9ec17c2decd78cc3dd5-200x200-1.jpg","attrs":{"Brand Name":"H3C","Model Number":"LS-IE4320-6P-AC","Uplink Interfaces":"Up to 8 x 40\/100-Gbps QSFP28 ports","Traffic Management":"QoS, ACL, CoS, DCB, FCoE","Data Center Interconnect":"OTV, VXLAN, LISP","Operating Humidity":"10-90%","Fans":"Dual redundant, hot-swappable fans","Management Interfaces":"CLI, SNMP, REST API","Port Type":"10\/25\/40\/100 Gigabit Ethernet","Virtual Network Services":"VXLAN","Management Interface":"1 RJ-45 Ethernet management port","Supported Protocols":"Ethernet, Fibre Channel, FCoE, VXLAN","Port Count":"48","Port Speed":"10\/25\/40\/100 Gbps","Virtualization":"VXLAN, EVPN","Product Type":"Fixed Configuration Switch"}}

{"cid":"90043289","title":"Cisco IE-4000-8T4G-E Industrial Ethernet Switch 8x FE RJ45 + 4x Gigabit SFP Uplinks IE4000 Series","imgUrl":"https:\/\/img.chinax.com\/nimg\/14\/5f\/e2b3a500aa3ff9844eaa50daa02b-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Cisco","Model Number":"IE-4000-8T4G-E","Minimum Order Quantity":"1","Place of Origin":"OEM","Ethernet Downlink Ports":"8 \u00d7 10\/100 Mbps Fast Ethernet (RJ45)","Packaging Details":"New original box","USB Port":"1 USB Type-A Interface (Configuration and Firmware Updates)","VLAN Support":"Up to 255 VLANs","Forwarding Rate":"5.36 million packets per second (Mpps)","Power Input":"Dual Redundant DC Input","Switching Capacity":"7.2 Gbps","Input Voltage Range":"18\u201360 VDC","Typical Power Consumption":"Approximately 13 watts (depending on configuration)","MAC Address Table":"8000 entries","Operating System":"Cisco IOS","Uplink Ports":"4 \u00d7 10\/100\/1000 Mbps SFP Ports","Spanning Tree Protocol":"STP, RSTP, MSTP","Console Port":"1 \u00d7 RJ45 Console Port"}}