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C921J-4P
Cisco 921J Gigabit Ethernet security router with external po...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
C921J-4P is a high-performance enterprise router featuring a fixed modular chassis engineered for robust connectivity and scalable network management. It incorporates multiple high-speed WAN and LAN interfaces with integrated services such as voice, video, and WAN optimization, along with advanced VPN support including IPSec and SSL VPN protocols for secure remote access.
C921J-4P delivers redundant power options via an AC power supply, modular expansion slots for tailored configurations, and a throughput capacity optimized for Gigabit performance. Its streamlined architecture, integrated security features, and proven high availability make it ideally suited for enterprise, business, and industrial use cases that demand reliable network efficiency and performance.
C921J-4P price is is available on request. Get immediate quote.
Request bulk order quote for C921J-4P for additional pricing. Browse the full Cisco Router Isr 900 series or explore all Cisco products.
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| C921J-4P |  C927-4P |  C927-4PM |  C926-4PLTEGB |  C931J-4P | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Modular | Modular | Modular | Modular |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC, CE, RoHS | FCC / CE | FCC / CE / RoHS | FCC, CE, RoHS | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Device Type | Router | Router | Router | Router | Router |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Features | VPN, IPv6 Compatible, Firewall | VPN / Firewall / IPv6 Compatible | VPN / Firewall / QoS / High Availability / Redundancy | VPN, Firewall, NAT, QoS | VPN, Firewall, IPv6 Compatible, High Availability |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 512 MB | 256 MB | 256 MB | 512 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount / Chassis | Desktop | Rack-mount |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice / WAN Optimization | Voice / Video / WAN Optimization | Voice, WAN Optimization | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP | RJ-45, SFP | RJ-45, SFP, Combo Ports |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 2 GB | 2 GB | 4 GB | 1 GB | 4 GB |
| Modular Slots Available | 1 Slot | 1 Slot | 2 Slots | 1 Slot | 3+ Slots |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6 | IPv4 / IPv6 | IPv4, IPv6, DHCP, NAT | IPv4, IPv6, MPLS |
| Power | 90 Watt | 65 Watt | 150W | 48W | 150 W |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | C921J-4P Enterprise Router | C927-4P Enterprise Router | Cisco C927-4PM | C926-4PLTEGB | C931J-4P Enterprise Modular Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Gateway | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SNMP, SSH, Telnet, HTTPS | SNMP / Telnet / SSH / HTTP / HTTPS | SNMP / CLI / Web GUI | SSH, Telnet, SNMP, HTTPS | SSH, SNMP, Telnet |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | No | Yes | Yes | No | Yes |
| Throughput Capacity | 1 Gbps | 1 Gbps | 2.5 Gbps | 1 Gbps | 2.5 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise / Small Business / Industrial | Enterprise, Industrial | Enterprise |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
| WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | 4 WAN | 2 WAN |
| Wireless Support | No | No | No | No | No |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Perfectly suited for our Japan-based branches. The external power supply is convenient and the Gigabit performance is rock-solid. A very reliable Cisco ISR model.
Excellent performance and reliability. This Japan-specific model handles our local fiber connections perfectly. Very stable and the security features are comprehensive. High satisfaction.
Robust and dependable. The 921J provides the consistent connectivity our regional offices in Japan require. Easy to deploy and manage with professional results.
High build quality. This router has been a stable performer in our Japanese network fleet. It delivers fast Gigabit speeds and excellent security with zero issues.
Professional grade networking for the Japanese market. It's compact, efficient, and very reliable. The external power supply works perfectly for our office setups.
The Cisco 921J is a compact security router featuring four Gigabit Ethernet ports, external power supply, integrated firewall, VPN, and advanced routing, designed for small branch offices in Japan.
The Cisco 921J is ideal for small to medium-sized branch offices in Japan requiring secure, high-performance connectivity with integrated VPN and firewall services.
Key features include four 10/100/1000 Mbps ports, an external AC power adapter, hardware-accelerated firewall, IPsec and SSL VPN, QoS, and full Cisco IOS security software.
The Cisco 921J provides four 10/100/1000 Mbps Gigabit Ethernet LAN ports for high-speed network access and segmentation.
Yes, the Cisco 921J uses an included external AC power adapter configured for Japanese voltage and plug standards.
No, the Cisco 921J (SKU C921J-4P) is specifically configured and certified for use exclusively in Japan to meet local regulatory requirements.
It includes a stateful packet inspection firewall, Intrusion Prevention System (IPS), URL filtering, malware defense, and anti-DDoS protection powered by Cisco IOS Security.
The Cisco 921J supports up to 50 IPsec VPN tunnels, SSL VPN client access, and Dynamic Multipoint VPN (DMVPN) for secure site-to-site and remote connectivity.
Management options include Cisco IOS CLI, web-based GUI, SNMP v3, and Cisco Security Manager for centralized policy and configuration control.
The Cisco 921J delivers up to 150 Mbps of firewall throughput and up to 85 Mbps of IPsec VPN throughput, optimized for branch office environments.
Yes, the Cisco 921J fully supports IPv6 routing, addressing, and dual-stack operation alongside IPv4 for modern network deployments.
The Cisco 921J measures 194 mm × 138 mm × 41 mm, weighs approximately 0.8 kg, and can be desktop- or rack-mounted using optional brackets.
The Cisco 921J is certified under TELEC, VCCI, and PSE, ensuring compliance with Japanese radio, EMC, and electrical safety standards.
The device operates reliably between 0 °C to 40 °C (32 °F to 104 °F) with 10% to 90% non-condensing relative humidity.
Cisco provides a one-year limited hardware warranty, 90-day software updates, and optional SMARTnet service contracts for 24/7 technical support and hardware replacement.
United States
