| Model | 8820-40C | 
| Type | Data Center Switch | 
| Form Factor | 1U Rack-mountable | 
| Weight | 33.7 lbs (15.3 kg) | 
| Power Requirements | +/-39 VDC to +/-72 VDC | 
| Power Supply Type | Hot-swappable DC Power Supplies | 
| Installed Power Supply Quantity | 2 | 
| Power Provided (Per Supply) | 1600 W | 
| Fan Modules | 6 Hot-swappable Fans | 
| Airflow Direction | Back-to-Front | 
Extreme 8820-40C 40x100GE QSFP28 Switch, DC Power, Back-Front Airflow

Key Benefits
              
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- Supports dense high-speed network environments with 40 QSFP28 ports and 100 Gbps throughput
 - Designed for reliability and uptime with dual power supplies and redundant cooling
 - Compliance with TAA and RoHS standards makes it suitable for regulated and government-sector use
 
Product Overview
Extreme 8820-40C with Back-Front airflow. Base unit with 40x100GE/40GE QSFP28 ports with 2 DC power supplies 6 fan modules and a 4-post rack mount kitSpecifications
                      Product Overview
                      
                    
                    
                      Physical & Environmental
                      
                    
                    | Width | 17.72 Inch | 
| Depth | 25.2 Inch | 
| Height | 1.7 Inch | 
| Operating Temperature (Min) | 0 °C | 
| Operating Temperature (Max) | 25 °C | 
| Storage Temperature (Min) | -40 °C | 
| Storage Temperature (Max) | 70 °C | 
| Operating Humidity | 5% to 95% (non-condensing) | 
| Acoustic Noise Level | 71 dB (typical) | 
| Cooling | Redundant Fans with Back-to-Front Airflow | 
                      Cloud Management & Licensing
                      
                    
                    | Management Interface | Web UI, CLI via SSH, SNMP, ExtremeXOS/EXOS | 
| Cloud Management | ExtremeCloud IQ Compatible | 
| Licensing Model | Feature-based software licensing | 
| Included Licenses | Base OS License Included | 
                      Interfaces
                      
                    
                    | Interface Type | QSFP28 | 
| Total Ports | 40 | 
| Port Speed | 100 Gbps | 
| Data Link Protocol | 100 Gigabit Ethernet, 40 Gigabit Ethernet | 
| Switching Capacity | 8 Tbps | 
| Forwarding Rate | 2.38 Bpps | 
| MAC Address Table Size | 320,000 entries | 
| Packet Buffer Memory | 64 MB | 
                      Compliance & Origin
                      
                    
                    | Country of Origin | Taiwan | 
| TAA Compliant | Yes | 
| RoHS Compliant | Yes | 
| Certifications | UL, cUL, CB, CE, EAC, VCCI, FCC, ICES | 
                      Advanced Security Features
                      
                    
                    | Access Control | IEEE 802.1X, RADIUS, TACACS+ | 
| Secure Management | SSH, HTTPS, SNMPv3 | 
| MACsec Support | Yes | 
| Control Plane Protection | Yes | 
| Network Access Control | Policy-Based Network Access Control (NAC) |