| Depth (Inches) | 17.2 |
| Height (Inches) | 1.8 |
| Weight (Pounds - lbs) | 11.02 |
| Width (Inches) | 17.2 |
| Humidity Operating Range | 5 - 85% |
| Max Operating Temperature | 104 °F |
| Lowest Operating Temperat | 32 °F |
| Memory Type | DIMM 240-pin |
| Installed Memory | 4 GB |
| Max Supported Size | 16 GB |
| Type of Connector | RJ-45 |
| Interface Port Type | Ethernet 10Base-T/100Base-TX/1000Base-T |
| Interface Type | Console |
| Type of Connector | Mini-USB Type B |
| Interface Type | Auxiliary |
| Type of Connector | 4 pin USB Type A |
| Type of Connector | SFP (mini-GBIC) |
| Compliance Std | AS/NZS 3548 Class A , AS/NZS 60950-1 , CAN/CSA C22.2 No. 60950-1 , CISPR 22 Class A , CISPR 24 , CNS 13438 , CS-03 , EN 60950-1 , EN 61000 , EN300-386 , EN50082-1 , EN55022 Class A , EN55024 , FCC CFR47 Part 15 , GB 4943 , ICES-003 Class A , IEC 6095 |
| Required Rack Units (RU H | 1 |
| Compliance Std | ANSI T1.101 , IEEE 802.1ag , IEEE 802.1Q , IEEE 802.3 , IEEE 802.3ah , ITU-T G.823 , ITU-T G.824 |
| Type of Connectivity | Wired |
| Port Speed | Ethernet , Fast Ethernet , Gigabit Ethernet |
| Features | Access Control List (ACL) support , Class-Based Weighted Fair Queuing (CBWFQ) , IPFIX , IPv6 support , NetFlow , Quality of Service (QoS) , RADIUS support , Syslog support , VLAN support , VPN support , Wall mountable , Weighted Random Early Detectio |
| Installation Method | Rack-mountable |
| Key Features | USB port , VPN support |
| Modular | Yes |
| Communication Protocol | DHCP , IPSec , PPPoE |
| Remote Management Protoco | RMON , SNMP |
| Routing Protocol | BGP , DVMRP , EIGRP , GRE , IGMPv3 , IPv4-to-IPv6 Multicast , IS-IS , OSPF , PIM-SM , PIM-SSM , Policy-based routing (PBR) , RIP-1 , RIP-2 , Static IPv4 routing , Static IPv6 routing |
| WAN Ports | 3 |
| Frequency Required | 50/60 Hz |
| Max Supported Qty | 1 |
| Power Compatability | AC 120/230 V |
| Power Supply Voltage | 250 Watt |
| Power Supply Type | Internal |
| Memory Type | DDR3 SDRAM |
| Test_Script | cisco_router_isr4331.py |
| Software | isr4300-universalk9.17.03.01a.SPA.bin |