United States$5,000,000+
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J
John Williams
5
Excellent router with impressive 2.5G DRAM and fast performance. Handles our growing network demands efficiently with minimal downtime.
CISCO1941-2.5G/K9
Cisco 1941 with 2.5G DRAM, 256MB Flash
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Name:
CISCO1941-2.5G/K9
- Description:
- Cisco 1941 with 2.5G DRAM, 256MB Flash
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 4054318031573
- Condition:
- Warranty:
- 3
- List Price:
$2,475.00
- Price:
$1,242.0049.8% off
Quantity:
1
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CISCO1941-2.5G/K9 Overview
CISCO1941-2.5G/K9 is an enterprise-grade router with a fixed architecture designed for modern branch and enterprise networks. It provides multiple power options with an AC power supply, dual WAN/LAN interfaces that ensure reliable connectivity, and modular capabilities via integrated expansion slots to adapt to evolving service requirements.
CISCO1941-2.5G/K9 delivers integrated services including voice, video, and WAN optimization along with enhanced VPN features for secure data communications. Designed for consistent throughput and high-performance environments, it offers built‐in firewall protection, QoS management, and redundancy options that make it ideal for diverse use cases in business and enterprise settings.
CISCO1941-2.5G/K9 price is $1,242.00, a 49.8% saving from the Cisco list price of $2,475.00. CISCO1941-2.5G/K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CISCO1941-2.5G/K9 for additional pricing. Browse the full Router Isr 1900 series or explore all Cisco products.
CISCO1941-2.5G/K9 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / SSL VPN
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Fixed
- WAN Configuration
- WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100/1000 / 2.5G
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6, MPLS
- Remote Management
- SSH, Telnet, SNMP
- Compliance Standards
- FCC, CE
- Wireless Support
- No
- Speed/Capacity
- 2.5gb
- Firewall Features
- Yes
- Features
- VPN, Firewall, IPv6 Compatible
- Use Case
- Enterprise, Business
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice, Video, WAN Optimization
- High Availability Support
- Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 2.5 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention, Malware Protection
- Expansion Slots
- EHWIC
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Memory
- 512 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45, Combo Ports
- Power
- 55 W
- Device Type
- Router
- Product Name
- CISCO1941-2.5G/K9
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
CISCO1941-2.5G/K9 Use Case
High-Performance Branch Office Connectivity with QoS
Deploy CISCO1941-2.5G/K9 (2.5 GB DRAM, 256 MB Flash) as the primary router in a multi-site enterprise branch to deliver secure Internet access, application-aware Quality of Service (QoS) and WAN optimization. By leveraging hardware-accelerated encryption and 2.5 GB of DRAM, the solution ensures low-latency voice, video and data traffic segregation. Outcome: Consistent application performance, reduced packet loss and simplified network management across all branch locations.
Scalable Remote Workforce VPN Hub
Implement the CISCO1941-2.5G/K9 as a centralized VPN concentrator for remote employees requiring high-throughput SSL/IPsec tunnels. The 2.5 GB DRAM handles thousands of simultaneous secure sessions, while 256 MB Flash stores updatable security policies and digital certificates. Outcome: Rapid, reliable secure access to corporate resources with sub-millisecond encryption performance and streamlined certificate management.
IoT Edge Aggregation and Retail Network Segmentation
Use CISCO1941-2.5G/K9 to aggregate IoT sensors, POS terminals and back-office systems in a retail or industrial environment. The router’s advanced firewall, VLAN segmentation and 2.5 GB DRAM enable real-time threat inspection and traffic isolation at the network edge. Outcome: Enhanced security posture, PCI-DSS compliance for payment systems, and scalable bandwidth for future device rollouts.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO1941-2.5G/K9 |  C1921-3G-S-SEC/K9 |  CISCO1941/K9 |  C1921-3G-U-SEC/K9 |  C1921-ADSL2-M/K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Modular |
| Broadband | N/A | 3G | N/A | N/A | DSL |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall |
| Compliance Standards | FCC, CE | FCC / CE | FCC / CE / UL | FCC / CE | FCC, CE, RoHS |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | N/A | 14.2 inches | 11 inches | 11.22 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC / CE | FCC Part 15 | FCC / CE | N/A |
| Ethernet Technology | 10/100/1000 / 2.5G | 10/100 | 10/100 | 10/100/1000 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC | EHWIC | NIM |
| Features | VPN, Firewall, IPv6 Compatible | VPN / Firewall / IPSec / 3G Connectivity / Integrated Services | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Desktop | Desktop | Desktop / Rack-mount | Desktop | Rack-mount |
| Height | N/A | N/A | 1.73 inches | 1.75 inches | 1.73 inches |
| High Availability Support | Supported | Supported | Supported | Not Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice | Voice / WAN Optimization / N/A | Voice | Voice |
| Interface Ports | RJ-45, Combo Ports | RJ-45 | RJ-45 | RJ-45 / 3G | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | N/A | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | N/A | 2 Slots |
| Network Protocols | IPv4, IPv6, MPLS | IPv4 / IPv6 | IPv4 / IPv6 | IPv4, IPv6 | IPv4, IPv6, MPLS |
| Power | 55 W | 85 Watts | 35 W | 65 Watt | 65 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1941-2.5G/K9 | Cisco 1921 Integrated Services Router | Cisco 1941 Integrated Services Router (ISR) K9 | C1921-3G-U-SEC/K9 | Cisco 1921 Integrated Services Router with ADSL2 (C1921-ADSL2-M/K9) |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, SNMP | CLI / SNMP / Web-based | Telnet / SSH / SNMP / HTTP/HTTPS | CLI / SNMP / Telnet / HTTPS | HTTP/HTTPS, Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | UL | UL / CE | IEC 60950 | N/A |
| Speed/Capacity | 2.5gb | N/A | N/A | Gigabit | Gigabit |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 2.5 Gbps | 50 Mbps | 0.075 Gbps | 0.075 Gbps | 0.05 Gbps |
| Use Case | Enterprise, Business | Enterprise | Business / Small Business / Enterprise | Enterprise | Business / Small Business / Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / N/A |
| WAN Configuration | WAN | Dual WAN | Dual WAN | WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 1 WAN | 1 ADSL2 Port |
| Weight | N/A | N/A | 13.2 lbs | 11 lbs | 11.33 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | 17.3 inches | 17.2 inches | 17.24 inches |
| Wireless Support | No | No | No | No | No |
Reviews & Ratings
O
Olivia Taylor
4
Perfect for small to medium-sized enterprises. Easy to set up and configure. Strong, stable performance even under heavy traffic.
D
David Robinson
5
The 2.5G DRAM and high-speed performance make this router ideal for our fast-paced business environment. No issues so far, highly reliable.
S
Sarah Mitchell
3
Great upgrade from previous models. It provides fast and stable connections, ensuring smooth operations across our offices.
M
Michael Harris
4
A dependable router that delivers solid performance. It handles our high-bandwidth applications with ease, and setup was a breeze.
Questions & Answers
What are the key features of the Cisco 1941-2.5G/K9 router?
The Cisco 1941-2.5G/K9 router delivers 2.5 GB DRAM, 256 MB Flash, dual integrated Gigabit Ethernet WAN ports, hardware-accelerated encryption, and Cisco IOS Software for secure WAN connectivity.
How much memory does the Cisco 1941-2.5G/K9 offer?
The Cisco 1941-2.5G/K9 comes standard with 2.5 GB DRAM for application performance and 256 MB of Flash storage for IOS image and configuration files.
What throughput can I expect from the Cisco 1941-2.5G/K9?
This router supports up to 85 Mbps of IPSec VPN throughput and up to 30 Mbps of Cisco Cisco IOS Firewall throughput under full encryption.
Which physical interfaces are included on the Cisco 1941-2.5G/K9?
It includes two integrated Gigabit Ethernet WAN ports, two enhanced high-speed WAN interface card (EHWIC) slots, and two Gigabit Ethernet LAN ports.