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CISCO3925/K9
Cisco 3925 Router w/SPE100(3GE,4EHWIC,4DSP,2SM, 256MBCF,1GBD...
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CISCO3925/K9 is a modular enterprise router engineered with a scalable fixed architecture that integrates advanced WAN and LAN interfaces to support diverse connectivity requirements. It is built with flexible power options, including redundant AC power supplies, and offers integrated services that deliver comprehensive voice and data solutions while maintaining high performance and reliability.
CISCO3925/K9 features modular capabilities through dual Network Interface Module (NIM) slots, robust VPN support with IPSec, GRE, and DMVPN protocols, and quality throughput capacity with built-in redundancy for high availability. Designed for enterprise branch deployments, it efficiently handles routing protocols, integrated security features, and dedicated management options to meet demanding use cases.
CISCO3925/K9 price is $3,535.00, a 71.8% saving from the Cisco list price of $12,550.00. CISCO3925/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO3925/K9 for additional pricing. Browse the full Router Isr 3900 series or explore all Cisco products.
A national retail chain with 200 stores deploys the Cisco 3925 Router w/SPE100 at each branch to aggregate MPLS and Internet links via its 3 GE WAN ports and 4 EHWIC slots. Leveraging AES-256 IPsec DMVPN tunnels and QoS for VoIP and POS traffic, it delivers up to 85 Mbps secure throughput and central policy enforcement. Benefit: unified WAN management, hardened data protection and 99.99% branch uptime.
A 250-user professional services firm uses the Cisco 3925 Router w/SPE100 as its voice gateway, integrating SIP trunks on 4 DSP modules and analog fallback via HWIC ports. Enabled by IP Base licensing and tight Cisco UC Manager integration, the solution supports HD voice, call routing and fax over IP. Benefit: streamlined voice infrastructure, 30% reduction in PSTN costs and crystal-clear call quality across all offices.
An oil-field operator with unmanned well sites integrates a ruggedized EHWIC-LTE card into the Cisco 3925 Router w/SPE100 to provide automatic 4G backup when the primary fiber link fails. Combined with dual-SIM support and intelligent WAN analytics, it ensures zero manual intervention. Benefit: uninterrupted SCADA data flow, real-time monitoring and guaranteed business continuity in the world’s most remote locations.
To get the detailed certification, please go to the Compliance Center.
| CISCO3925/K9 |  C3945E-VSEC-SRE/K9 |  CISCO3945E-SEC/K9 |  CISCO3945E-V/K9 |  C3945E-VSEC/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Modular |
| Broadband | N/A | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC / CE / RoHS | IEEE 802.3, IEEE 802.1Q | FCC / CE | FCC / CE / RoHS | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 16.1 inches | 20 inches | N/A | 21 inches | 16 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | FCC / CE | FCC Part 15, CISPR 22 |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 |
| Expansion Slots | NIM | EHWIC, NIM | NIM | EHWIC / NIM | EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN, IPv6 Compatible, Firewall, POE, MPLS | VPN / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 4.5 inches | N/A | 1.75 inches | 3.5 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice / WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | Modular LAN | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 2 GB | 512 MB | 512 MB | 512 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6 | IPv4 / IPv6 | IPv4 / IPv6 | OSPF / BGP / EIGRP / RIP |
| Power | 190 Watt | 350 Watts | 150 W | 240 Watt | 350 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | Cisco 3925 Integrated Services Router | Cisco 3945E-VSEC-SRE/K9 | CISCO3945E-SEC/K9 | Cisco 3945E Integrated Services Router | Cisco 3945E Integrated Services Router with Virtual Security Services |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / SNMP / Telnet / SSH | SSH, Telnet, SNMP | SNMP / Telnet / SSH / HTTP | CLI / SNMP / HTTP / HTTPS | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / MPLS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | UL / cUL / CE | UL/cUL, IEC |
| Speed/Capacity | N/A | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.075 Gbps | 150 Mbps | 0.15 Gbps | 0.075 Gbps | 0.25 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / GRE / DMVPN / N/A | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / GRE / DMVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 15.3 lbs | 22 lbs | N/A | 22 lbs | 20 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.7 inches | 19 inches | N/A | 19 inches | 17.5 inches |
| Wireless Support | No | No | No | No | No |
Cisco 3925 Router provides stable performance with SPE100. Reliable for branch offices and medium-sized deployments.
Handles data and voice traffic efficiently. Predictable uptime and simple management.
Strong Cisco build ensures smooth operations and minimal downtime.
Easy to configure and manage. Maintains stable network performance.
Reliable branch office router. Ensures consistent performance and efficient network management.
The Cisco 3925 Router (SKU: CISCO3925/K9) is a high-performance branch router featuring the SPE100 performance upgrade, 3 Gigabit Ethernet ports, 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots, 4 DSP channels, 2 service module slots, 256 MB CompactFlash, 1 GB DRAM, and an IP Base license.
Key features include up to 100 Mbps aggregate throughput with SPE100, modular WAN connectivity via 4 EHWIC slots, integrated voice DSP support for up to 4 channels, dual service module slots, and flexible licensing for routing and security.
With the optional SPE100 performance upgrade, the Cisco 3925 delivers up to 100 Mbps of aggregate WAN throughput, making it ideal for medium-sized branch deployments.
The Cisco 3925 includes 3 fixed Gigabit Ethernet ports, 4 EHWIC slots for custom WAN interfaces, and 2 service module slots for advanced voice, security, or application modules.
This router ships with 1 GB of DRAM for high concurrency and buffering, plus 256 MB of CompactFlash for IOS images, configurations, and logs.
The CISCO3925/K9 includes the Cisco IOS IP Base license, providing comprehensive IP routing, NAT, DHCP, and basic VPN capabilities.
Yes. You can upgrade from IP Base to Security, Data, or Unified Communications feature sets via Cisco Smart Licensing without hardware changes.
Yes. The router supports hardware-accelerated IPsec encryption up to 100 Mbps when paired with the SPE100 module, offloading crypto processing from the CPU.
Absolutely. The integrated DSP farm supports up to 4 voice channels for VoIP transcoding and conferencing, and the platform can prioritize video traffic using Cisco Quality of Service (QoS).
The Cisco 3925 draws approximately 90 W under full load. It supports dual internal universal power supplies (100–240 VAC, 50–60 Hz) and optional DC power modules.
Yes. The router supports Cisco IOS Software virtualization features such as VRF-Lite for logical separation of multiple routing domains.
Ideal for medium-sized branch offices, retail sites, and enterprise WAN aggregation requiring integrated routing, security, voice, and application services in a single platform.
The router measures 1.75 x 17.5 x 14.75 inches (H×W×D) and weighs approximately 12.1 pounds (5.5 kg), fitting standard 19-inch racks with 1-RU clearance.
You can configure and manage the router via CLI (SSH/Telnet), Cisco Configuration Professional GUI, or Cisco Prime Infrastructure for centralized policy and network management.
The Cisco 3925 comes with a 1-year limited hardware warranty and 90 days of Cisco Technical Assistance Center (TAC) support. Optional SMARTnet contracts extend support and advance replacement.
The Cisco 3925 reached end-of-sale in 2018, but Cisco continues to provide software updates and TAC support until its end-of-support date in 2023 under extended maintenance programs.