Cisco ISR4431-SEC/K9
ISR 4431 Router Rack-Modul

Key facts
Specifications
Dimensions & Weight
- Depth
- 50.72 cm
- Height
- 4.39 cm
- Weight
- 8.4 kg
- Width
- 43.815 cm
Expansion / Connectivity
- Expansion Slots
- 3 (total) / 3 (free) x NIM , 1 (total) / 1 (free) x ISC , 3 (total) / 0 (free) x DIMM 240-pin , 1 (total) / 0 (free) x eMMC
- Interfaces
- WAN / LAN: 4 x 10Base-T/100Base-TX/1000Base-T - RJ-45 , Serial: 1 x console - RJ-45 , Management: 1 x console - mini-USB Type B , Serial: 1 x auxiliary - RJ-45 , USB 2.0: 2 x 4 pin USB Type A , 4 x SFP (mini-GBIC) , Management: 1 x RJ-45
General
- Compliant Standards
- IEEE 802.3, IEEE 802.1Q, IEEE 802.3ah, IEEE 802.1ag, ANSI T1.101, ITU-T G.823, ITU-T G.824, CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, ICES-003 Class A, CS-03, R&TTE, FCC CFR47 Part 15, UL 60950-1, IEC 60950-1, EN 60950-1, AS/NZS 3548 Class A, GB 4943, VCCI V-3, EN 61000, KN22, KN24, CNS 13438, EN 300 386, CAN/CSA-C22.2 No. 60950-1
- Connectivity Technology
- Wired
- Data Link Protocol
- Ethernet, Fast Ethernet, Gigabit Ethernet
- Device Type
- Router
- Enclosure Type
- Rack-mountable - modular - 1U
- Features
- Firewall protection, VPN support, VLAN support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), wall mountable, IPSec Virtual Private Network (VPN), Access Control List (ACL) support, Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN), RADIUS support, NetFlow, IPFIX
- Flash Memory
- 8 GB (installed) / 32 GB (max)
- Network / Transport Protocol
- IPSec, PPPoE, DHCP
- Performance
- Aggregate throughput: 500 Mbps
- RAM
- 4 GB (installed) / 16 GB (max) - DDR3 SDRAM
- Remote Management Protocol
- SNMP, RMON
- Routing Protocol
- OSPF, IS-IS, RIP-1, RIP-2, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR), IPv4-to-IPv6 Multicast
Miscellaneous
- Rack Mounting Kit
- Included
Power
- Power Device
- Internal power supply - hot-plug
- Power Redundancy
- Optional
- Voltage Required
- AC 120/230 V (50/60 Hz)
Software / System Requirements
- OS Provided
- Cisco IOS Security
- Software Included
- Cisco IOS IP Base
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- USD 20,447.01≈ AUD 29,160
- Dec 2023
- Lowest recorded
- USD 14,000≈ AUD 19,966
- Highest recorded
- USD 20,447.01≈ AUD 29,160
- Recorded
- 2014 – 2023
- 24 price points
- List price
- Prology US
AUD 505 on Prology AU, recorded
Buy or sell Cisco ISR4431-SEC/K9
Buying Cisco routers
Prology stocks the Cisco ISR4431-SEC/K9 from USD 358 on Prology AU and Prology US. Need more than one, or a different condition? Request a quote for volume pricing.
Selling Cisco routers
Have a spare or decommissioned ISR4431-SEC/K9? Prology buys used and surplus Cisco routers — single units or whole lots — and replies with an offer within 1 business day. Sell your ISR4431-SEC/K9.
- What is the Cisco ISR4431-SEC/K9?
- The Cisco ISR4431-SEC/K9 is a Cisco router – ISR 4431 Router Rack-Modul.
- How much does the Cisco ISR4431-SEC/K9 cost?
- The manufacturer list price on record is USD 20,447.01 (Dec 2023). It is a reference figure, not a selling price — the live price is on the Prology store page.
- Where can I buy the Cisco ISR4431-SEC/K9?
- It is listed on Prology AU and Prology US. Use the “View on Prology” button above for live price, condition and stock, or request a quote for volume pricing.
- Can I sell a used Cisco ISR4431-SEC/K9?
- Yes. Prology buys used and surplus Cisco routers, including the ISR4431-SEC/K9. Get an offer — sell outright or trade in against your next order.
Request a quote for ISR4431-SEC/K9
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