Cisco ISR4451-X/K9
ISR 4451 (4GE3NIM2SM8G FLASH4G
Key facts
- Part number
- ISR4451-X/K9
- Brand
- Cisco
- Category
- Routers
- Price
- AUD 53,442.88≈ USD 37,530 Reference price (RRP)
- Availability
- On request — ask for a quote
Overview
CISCO ISR 4451 (4GE3NIM2SM8G FLASH4G
The Cisco 4451-X Integrated Services Router revolutionizes the delivery of application-aware services in a branch-office environment. This new member of the Cisco ISR Family provide extensive Layer 7 services hosted internally to the branch office while maximizing operating expenses(OpEx) savings.
The Cisco 4451-X offers a multicore CPU architecture running modular Cisco IOS XE Software that dynamically adapts to the changing needs of your branch-office environment. The separation of the control and data planes provides the ability to deliver application-aware network services while maintaining a stable platform and a high level of performance during periods of heavy network load. With the ability to integrate application-aware services and the ability to scale performance without a complete equipment upgrade, the Cisco 4451-X offers exceptional total cost of ownership (TCO) savings and network agility through the intelligent integration of market-leading security, unified communications, and application services.
- With Gigabit Ethernet, retrieve up to 10x faster than standard Ethernet connectivity and provides high-performance
- Tuck the router out of the way with its wall mounting feature
- Management capability provides control over the router's setup and configuration
- With 10/100/1000Base-T technology, get up to 1000 mbps data transfer rate over twisted pair cable
- Built-in power supply to ensure all components are being supplied with accurate voltage
- Offers high performance and reliable connectivity to the Internet and other offices
Specifications
General
- Security Features
- IPsecVPNSecure Socket Layer (SSL)Advanced Application InspectionApplication ControlSecure Shell (SSH)Network Admissions control (NAC)Voice and Video Enabled VPNDynamic Multipoint VPN (DMVPN)Group Encrypted Transport (GET)Flex VPNCisco IOS XE Software-based Traffic ControlNBARAAAPKIACL
- Network Technology
- 10/100/1000Base-T
- Ethernet Technology
- Gigabit Ethernet
- Expansion Slot Type
- SFP
PVDM
- Total Number of Expansion Slots
- 10.0
- Flash Memory
- 8 GB
- Maximum Memory Supported
- 16 GB
- Standard Memory
- 4 GB
- Memory Technology
- DRAM
- Input Voltage
- 110 V AC
220 V AC
- Power Source
- Power Supply
- PoE (RJ-45) Port
- Yes
- Redundant Power Supply Supported
- Yes
- Product Type
- Router
Manufacturer Website Address
- Manufacturer
- Cisco Systems, Inc
- Product Model
- 4451-X
- Product Name
- 4451-X Router
- Brand Name
- Cisco
- Token Ring Port
- No
- USB
- Yes
- Number of Network (RJ-45) Ports
- 4
- Powerline
- No
- Management Port
- Yes
- Total Number of Ports
- 4
- Serial V.35 Interface
- No
- Weight (Approximate)
- 13.06 kg
- Form Factor
- Wall Mountable
Rack-mountable
- Height
- 88.9 mm
- Width
- 438.2 mm
- Depth
- 469.9 mm
- Compatible Rack Unit
- 2U
Reference price history
Recorded reference and list prices over time. Not Prology selling prices.
- Latest
- AUD 53,442.88≈ USD 37,530
- Oct 2026
- Lowest recorded
- AUD 53,442.88≈ USD 37,530
- Highest recorded
- AUD 53,442.88≈ USD 37,530
- Recorded
- 2026
- 1 price point
AUD 53,442.88 rrp, recorded
Buy or sell Cisco ISR4451-X/K9
Buying Cisco routers
Looking to buy the Cisco ISR4451-X/K9 or a compatible router? Prology supplies new, refurbished and used Cisco routers in Australia and the United States. Send the part number and quantity for a firm price.
Selling Cisco routers
Have a spare or decommissioned ISR4451-X/K9? Prology buys used and surplus Cisco routers — single units or whole lots — and replies with an offer within 1 business day. Sell your ISR4451-X/K9.
- What is the Cisco ISR4451-X/K9?
- The Cisco ISR4451-X/K9 is a Cisco router – ISR 4451 (4GE3NIM2SM8G FLASH4G.
- How much does the Cisco ISR4451-X/K9 cost?
- The reference price on record is AUD 53,442.88 (Oct 2026). It is a reference figure, not a selling price — ask Prology for a firm quote.
- Where can I buy the Cisco ISR4451-X/K9?
- It is not listed on the Prology store yet. Prology sources Cisco routers on request — request a quote and we reply with a firm price and lead time within 1 business day.
- Can I sell a used Cisco ISR4451-X/K9?
- Yes. Prology buys used and surplus Cisco routers, including the ISR4451-X/K9. Get an offer — sell outright or trade in against your next order.
Request a quote for ISR4451-X/K9
Tell us the quantity and condition you need. Prology replies with a firm price and lead time within 1 business day.