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Cisco 3945 Router delivers excellent performance with SPE150. Handles high traffic workloads reliably and efficiently.
CISCO3945/K9
Cisco 3945 Router w/SPE150(3GE,4EHWIC,4DSP,4SM, 256MBCF,1GBD...
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Name:
CISCO3945/K9
- Description:
- Cisco 3945 Router w/SPE150(3GE,4EHWIC,4DSP,4SM, 256MBCF,1GBDRAM,IPB)
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818249427867
- Condition:
- Warranty:
- 3
- List Price:
$17,175.00
- Price:
$1,303.0092.4% off
Quantity:
1
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CISCO3945/K9 Overview
CISCO3945/K9 is a high-performance enterprise router built on a modular architecture that integrates data, voice, video, and WAN optimization services. It delivers robust routing with advanced WAN and LAN interfaces, redundant power options, and secure VPN features—including IPSec and SSL VPN—to support mission-critical operations with high throughput and reliability.
Designed for scalability in demanding network environments, the router offers modular expansion slots for EHWIC and NIM cards, enabling flexible configuration and performance upgrades. Its integrated security, high availability, and efficient management make it ideal for enterprise branch offices and business deployments where seamless connectivity and expanded services are essential.
CISCO3945/K9 price is $1,303.00, a 92.4% saving from the Cisco list price of $17,175.00. CISCO3945/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO3945/K9 for additional pricing. Browse the full Router Isr 3900 series or explore all Cisco products.
CISCO3945/K9 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / SSL VPN / DMVPN / N/A
- Power Source
- AC Power Supply / Redundant
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Modular
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100/1000
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IP, IPv6, TCP/IP, UDP, OSPF, BGP, EIGRP, RIP
- Remote Management
- Telnet/SSH/SNMP
- Compliance Standards
- FCC, CE
- Wireless Support
- No
- Speed/Capacity
- Gigabit
- Firewall Features
- Yes
- Features
- VPN, Voice, Video, IPv6 Compatible, Firewall, MPLS
- Use Case
- Enterprise / Business
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- Voice / Video / WAN Optimization
- High Availability Support
- Supported
- Safety
- UL / cUL
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 75 Mbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall / Intrusion Prevention
- Expansion Slots
- EHWIC / NIM
- Modular Slots Available
- 3+ Slots
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 512 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45 / SFP
- Power
- 350 W
- Device Type
- Router
- Product Name
- Cisco 3945 Integrated Services Router (ISR)
- Height
- 4.45 inches
- Width
- 17.65 inches
- Depth
- 16.14 inches
- Weight
- 29 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 CISCO3945/K9 |  C3925E-VSEC/K9 |  CISCO3945-HSEC+/K9 |  C3945E-VSEC-CUBEK9 |  C3945-VSEC-CUBE/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | N/A | DSL / Fiber (Optional) | N/A | Fiber Optic | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE | FCC, CE | FCC / CE / UL | IEEE, FCC, CE | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16.14 inches | 20 inches | 17 inches | 18 inches | 18 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC Part 15 | N/A | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | EHWIC / NIM | NIM / EHWIC | NIM / EHWIC | EHWIC | NIM |
| Features | VPN, Voice, Video, IPv6 Compatible, Firewall, MPLS | VPN / Firewall / Intrusion Prevention / IPv6 Compatible / Voice / POE | VPN / Firewall / IPv6 Compatible / Modular | VPN, Firewall, MPLS, IPv6 Compatible, Intrusion Prevention | VPN / IPv6 Compatible / Firewall / Intrusion Prevention |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 512 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 4.45 inches | 1.73 inches | 4.5 inches | 4.5 inches | 4 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Security / Data | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice / VPN |
| Interface Ports | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP | RJ-45, SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 2 GB | 512 MB |
| Modular Slots Available | 3+ Slots | 2 Slots | 2 Slots | 2 Slots | 3+ Slots |
| Network Protocols | IP, IPv6, TCP/IP, UDP, OSPF, BGP, EIGRP, RIP | IPv4, IPv6 | OSPF / EIGRP / BGP / RIP / Static Routing | IPv4, IPv6, MPLS, VPN | IP, MPLS |
| Power | 350 W | 275 Watts | 375 Watts | 350 W | 350 Watts |
| Power Source | AC Power Supply / Redundant | AC Power Supply with Redundant Options | AC Power Supply / Redundant | Redundant AC/DC Power Supply | AC Power Supply / Redundant |
| Product Name | Cisco 3945 Integrated Services Router (ISR) | Cisco C3925E-VSEC/K9 Integrated Services Router | CISCO3945-HSEC+/K9 | Cisco 3945E Integrated Services Router - VSEC | C3945-VSEC-CUBE/K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet/SSH/SNMP | SSH / Telnet / SNMP | Telnet / SSH / SNMP | Telnet, SSH, SNMP | SSH, Telnet |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / IS-IS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | UL / cUL | UL Certified | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 75 Mbps | 450 Mbps | 75 Mbps | 750 Mbps | 1 Gbps |
| Use Case | Enterprise / Business | Enterprise / Business | Enterprise / Business | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | Modular WAN | 2 WAN |
| Weight | 29 lbs | 30 lbs | 30 lbs | 27 lbs | 15 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.65 inches | 17.2 inches | 17 inches | 17 inches | 17 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
E
Ethan Parker
5
Easy to deploy with consistent uptime. Ideal for medium-sized branch offices.
I
Isabella Reed
4
Strong routing, UC, and network performance. Keeps business operations running smoothly.
M
Mason Gray
4
Reliable Cisco router with predictable performance. Easy to manage and configure.
A
Ava Coleman
4
Durable and efficient. Handles voice, data, and security with minimal downtime.
Questions & Answers
What are the key features of the Cisco 3945/K9 with SPE150?
The Cisco 3945/K9 includes an SPE150 embedded services processor, 3 integrated Gigabit Ethernet ports, 4 EHWIC slots, 4 DSP slots, 4 SM slots, 256 MB CompactFlash, 1 GB DRAM, and IP Base feature set for advanced routing.
What is the maximum throughput of the Cisco 3945/K9 router?
The Cisco 3945/K9 delivers up to 85 Mbps of aggregate throughput with SPE150, scalable via license to match branch office requirements.
How many expansion slots and interfaces does the Cisco 3945 support?
The Cisco 3945 provides 4 EHWIC slots, 4 DSP module bays, 4 Service Module slots, plus 3 onboard Gigabit Ethernet ports for flexible interface expansion.
What voice channel capacity does the Cisco 3945/K9 offer?
With 4 DSP slots, the Cisco 3945/K9 supports up to 240 voice channels for unified communications and contact center deployments.
Can I upgrade the memory and storage on the Cisco 3945 router?
Yes, you can expand DRAM up to 2 GB and upgrade CompactFlash storage via the front-panel CF slot for enhanced performance and logging.
Which Cisco IOS Software images are supported on the 3945/K9?
The Cisco 3945/K9 supports Cisco IOS 15.x with IP Base, Security, and Unified Communications feature licenses to match your network needs.
What licensing options are available for the Cisco 3945?
Licensing for the Cisco 3945 includes IP Base, Security, and Unified communications bundles, plus performance licenses to unlock full SPE150 throughput.
Is the Cisco 3945/K9 suitable for small to medium enterprises?
Yes, the Cisco 3945/K9 delivers enterprise-class routing, integrated security, and voice services tailored for small to medium-sized branch offices.
How much power does the Cisco 3945 consume?
Typical power consumption for the Cisco 3945/K9 is around 80 W under full load, with support for AC and optional DC power supplies.
What are the physical dimensions and weight of the Cisco 3945?
The Cisco 3945 measures 3.5″ H x 17.5″ W x 16.1″ D (89 mm x 445 mm x 410 mm) and weighs approximately 11.0 lbs (5 kg).
Does the Cisco 3945/K9 support virtualization and security services?
Yes, it supports Cisco Security Appliance virtualization with Zone-Based Firewall, IPS, SSL VPN, and hardware-accelerated encryption via the SPE150.
How reliable is the Cisco 3945 in high-availability deployments?
The Cisco 3945/K9 supports Dual LAN and Stateful Switchover (SSO) with redundant power supplies for carrier-grade availability.
What environmental compliance certifications does the Cisco 3945 meet?
The Cisco 3945 is RoHS-compliant, ENERGY STAR qualified, and meets NEBS Level 3 and EAL2 security validation standards.
What warranty and support options are available for the Cisco 3945?
Cisco offers a one-year limited hardware warranty, with optional SMARTnet service for 24×7 technical support, software updates, and hardware replacement.
How do I configure IP Base features on the Cisco 3945/K9?
Use Cisco IOS CLI to apply IP Base license commands (license install ipbasek9) and configure routing, NAT, QoS, and basic security via global mode.
Where can I purchase the Cisco 3945/K9 router and check availability?
You can buy the Cisco 3945/K9 through authorized Cisco partners or resellers; check stock and pricing on Cisco’s official distribution portals.