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Item#: N82E16833150521CVF

Cisco Small Business ISR4331/K9 Router 3 x 10/100/1000Mbps LAN Ports

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  • 3 x 10/100/1000Mbps LAN Ports
  • 1 GE (Integrated Out of Band)

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet.

Learn more about the Cisco Systems, Inc. ISR4331/K9


Cisco Small Business


IPv4, IPv6, static routes, Routing Information Protocol Versions 1 and 2 (RIP and RIPv2), Open Shortest Path First (OSPF), Enhanced IGRP (EIGRP), Border Gateway Protocol (BGP), BGP Router Reflector, Intermediate System-to-Intermediate System (IS-IS), Multicast Internet Group Management Protocol Version 3 (IGMPv3), Protocol Independent Multicast sparse mode (PIM SM), PIM Source Specific Multicast (SSM), RSVP, CDP, ERSPAN, IPSLA, CNS, Call Home, EEM, IKE, ACL, EVC, DHCP, FR, DNS, LISP, OTV, HSRP, RADIUS, AAA, AVC, Distance Vector Multicast Routing Protocol (DVMRP), IPv4-to-IPv6 Multicast, MPLS, Layer 2 and Layer 3 VPN, IP sec, Layer 2 Tunneling Protocol Version 3 (L2TPv3), Bidirectional Forwarding Detection (BFD), IEEE802.1ag, and IEEE802.3ah
UL 60950-1
CAN/CSA C22.2 No. 60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1
LAN Ports
3 x 10/100/1000Mbps
100 Mbps to 300 Mbps
Console Port
1 GE (Integrated Out of Band)
Operating Conditions:
32 to 104ºF (0 to 40ºC) (altitude 0-10000 ft) (altitude 0-3000m)
32 to 95ºF (0 to 35ºC) (altitude 10000-15000ft) (altitude 3000m-4600m)

Nonoperating Conditions: -13 to 158ºF (-25 to 70ºC)
Operating Conditions:
Relative humidity: 5% to 85%
Short-term humidity: 5% to 90%, not to exceed 0.024 kg water/kg of dry air

Nonoperating Conditions:
Relative humidity: 5% to 95%

Dimensions & Weight

17.25" x 17.25" x 1.75"
14.6 lb (6.6 kg) Typical weight (fully loaded with modules)


Package Contents
ISR 4331 with 3 onboard GE, 2 NIM slots, 1 ISC slot, 1 SM slots, 4 GB Flash Memory default, 4 GB DRAM default
Warranty, Returns, And Additional Information
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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