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For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines

Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
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Free 14-Day Returns

Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
C1-CISCO4321/K9
Cisco ONE ISR 4321 (2GE.2NIM.4G FLASH.4G DRAM.IPB)
$1,969.91
13 in Global Warehouse
$1,969.91
48% off
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C1-CISCO4321/K9 |
Description: | Cisco ONE ISR 4321 (2GE.2NIM.4G FLASH.4G DRAM.IPB) |
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Shipping:
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Shipping as per your need
Same-day Shipping

Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.

Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.

International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines

Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
14-Day Money Back Guarantee
Free 14-Day Returns

Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
C1-CISCO4321/K9
Cisco ONE ISR 4321 (2GE.2NIM.4G FLASH.4G DRAM.IPB)
$1,969.91
10 in Global Warehouse
$1,969.91
48% off
TRUSTED, TRIED, PROVEN







C1-CISCO4321/K9 Overview
C1-CISCO4321/K9 is an enterprise-class integrated services router engineered with a modular architecture that supports a wide array of integrated services including voice, video, and WAN optimization. Built to deliver robust security and reliable connectivity, this router efficiently handles VPN features, advanced routing protocols, and firewall functions while ensuring performance and redundancy in mission‐critical applications.
C1-CISCO4321/K9 comes with versatile power options featuring an AC power supply with redundant capabilities, and its dual WAN configuration alongside modular LAN interfaces provide flexible connectivity. Designed for secure, high-performance networking, it offers integrated VPN support, high availability, and throughput capacity tailored to demanding enterprise and branch office use cases.
What is the price of C1-CISCO4321/K9?
Lowest price of C1-CISCO4321/K9 is $ 1,969.91. Shop now discounts with bulk quotation for C1-CISCO4321/K9
C1-CISCO4321/K9 Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN |
Power Source | AC Power Supply with Redundant Options |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Modular |
WAN Configuration | Dual WAN |
WAN Ports | 2 WAN |
LAN Ports | Modular LAN |
Ethernet Technology | 10/100/1000 |
Wi-Fi Standard | N/A |
Connectivity Type | Wired |
Network Protocols | IPv4, IPv6 |
Remote Management | SSH / Telnet / SNMP |
Compliance Standards | FCC / CE |
Wireless Support | No |
Speed/Capacity | Gigabit |
Firewall Features | Yes |
Features | VPN / VoIP / IPv6 Compatible / Firewall / WAN Optimization |
Use Case | Enterprise |
Management | Managed |
Form Factor | Rack-mount |
Integrated Services | Voice / Video / WAN Optimization |
High Availability Support | Supported |
Safety | N/A |
EMC | N/A |
Telecom | N/A |
Throughput Capacity | 0.15 Gbps |
QoS Features | Supported |
Built-in Security Features | Firewall / Intrusion Prevention |
Expansion Slots | NIM / EHWIC |
Modular Slots Available | 2 Slots |
Stacking Capability | No |
5G Support | No |
Memory | 1 GB |
Flash Memory | 512 MB |
Interface Ports | RJ-45 / SFP |
Power | 110 W |
Device Type | Router |
Product Name | Cisco 4321 Integrated Services Router (C1-CISCO4321/K9) |
Height | 1.75 inches |
Width | 17.5 inches |
Depth | 20 inches |
Weight | 14 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router | Cloud-Managed Security Appliance |
Connectivity Type | Wired | Wired | Wired | Wired | Wired |
Broadband | N/A | N/A | N/A | N/A | N/A |
Power Source | AC Power Supply | AC Power Supply / Redundant | AC Power Supply with Redundant Options | AC Power Supply / Redundant | AC Power Supply |
Architecture | Fixed | Modular | Modular | Fixed | Fixed |
WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
LAN Ports | 4 LAN Ports | Modular LAN | Modular LAN | 8 LAN Ports | 8 LAN Ports |
Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
Wireless Support | No | No | No | No | No |
Speed/Capacity | N/A | Gigabit | Gigabit | Gigabit | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN | IPSec / Auto VPN |
Firewall Features | Yes | Yes | Yes | Yes | Yes |
Features | VPN / Firewall / IPv6 Compatible | VPN, IPv6 Compatible, Firewall, Integrated Services | VPN / VoIP / IPv6 Compatible / Firewall / WAN Optimization | VPN, Firewall, Intrusion Prevention, ACL | VPN / IPv6 Compatible / Firewall / Threat Management |
Use Case | Small Business / Branch Office | Enterprise | Enterprise | Enterprise | Enterprise |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Desktop | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
Integrated Services | Voice | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | WAN Optimization / VPN |
High Availability Support | Not Supported | Supported | Supported | Supported | Supported |
Throughput Capacity | 0.1 Gbps | 100 Mbps | 0.15 Gbps | 1 Gbps | 1 Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention |
Expansion Slots | EHWIC | EHWIC / NIM | NIM / EHWIC | N/A | N/A |
Modular Slots Available | N/A | 2 Slots | 2 Slots | N/A | N/A |
Stacking Capability | No | No | No | Yes | No |
5G Support | No | No | No | No | No |
Memory | 256 MB | 4 GB | 1 GB | 4 GB | 1 GB |
Flash Memory | 256 MB | 4 GB | 512 MB | 512 MB | 256 MB |
Interface Ports | RJ-45 | RJ-45, SFP | RJ-45 / SFP | RJ-45, SFP | RJ-45 / SFP |
Device Type | Router | Router | Router | Router | Router |
Product Name | Cisco 881G-A-K9 Integrated Services Router | Cisco ISR4331/K9 | Cisco 4321 Integrated Services Router (C1-CISCO4321/K9) | MX240-PREMIUM3-ACL | MX240BASE-AC-LOW |
Height | N/A | 1.75 inches | 1.75 inches | 3.5 inches | N/A |
Width | N/A | 17.41 inches | 17.5 inches | 17 inches | N/A |
Depth | N/A | 16.34 inches | 20 inches | 16 inches | N/A |
Weight | N/A | 14.3 lbs | 14 lbs | 28 lbs | N/A |
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