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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.

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Every shipment is delivered directly to your address — regardless of country or carrier.
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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.
ISR4321-SEC/K9
50Mbps-100Mbps system throughput, 2 WAN/LAN ports,...
$1,186.29
26 in Global Warehouse
$1,186.29
74% off
Name: |
ISR4321-SEC/K9 |
Description: | 50Mbps-100Mbps system throughput, 2 WAN/LAN ports, 1 SFP port, multi-Core CPU,2 NIM, Security, Voice, WAAS, Intelligent WAN, OnePK, AVC |
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GTIN: | 646978442123 ![]() |
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List Price: |
![]() $4,562.68 |
Price: |
$1,186.29 74% off |
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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.
ISR4321-SEC/K9
50Mbps-100Mbps system throughput, 2 WAN/LAN ports,...
$1,186.29
48 in Global Warehouse
$1,186.29
74% off
TRUSTED, TRIED, PROVEN







ISR4321-SEC/K9 Overview
ISR4321-SEC/K9 is a high-performance enterprise router engineered with a fixed modular architecture that seamlessly integrates advanced security, routing, and WAN/LAN capabilities. It provides versatile power options supporting both AC and DC supplies with redundancy, while offering robust VPN features including IPSec, SSL VPN, DMVPN, and FlexVPN to secure branch connectivity.
ISR4321-SEC/K9 delivers reliable throughput performance of up to 300 Mbps and features integrated services such as voice, video, and WAN optimization. With multiple interface ports, built-in firewall and intrusion prevention, modular expansion slots for NIM or EHWIC modules, and dual WAN configurations for load balancing and redundancy, this router is ideally suited for enterprise branch, small business, and distributed office deployments.
What is the price of ISR4321-SEC/K9?
Lowest price of ISR4321-SEC/K9 is $ 1,186.29. Shop now discounts with bulk quotation for ISR4321-SEC/K9
ISR4321-SEC/K9 Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN |
Power Source | AC Power Supply / DC Power Supply (Redundant) |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Fixed |
WAN Configuration | Dual WAN |
WAN Ports | 2 WAN Ports |
LAN Ports | 2 LAN Ports |
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, Firewall, IPv6 Compatible |
Use Case | Enterprise, Small Business |
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 | 300 Mbps |
QoS Features | Supported |
Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection |
Expansion Slots | NIM, EHWIC |
Modular Slots Available | 1 Slot |
Stacking Capability | No |
5G Support | No |
Memory | 2 GB |
Flash Memory | 1 GB |
Interface Ports | RJ-45, SFP |
Power | 75W |
Device Type | Router |
Product Name | Cisco ISR4321-SEC/K9 |
Height | N/A |
Width | N/A |
Depth | N/A |
Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
Connectivity Type | Wired | Wired | Wired | Wired | Wired |
Broadband | N/A | N/A | N/A | N/A | Fiber Optic / LTE |
Power Source | AC Power Supply / Redundant | AC Power Supply / DC Power Supply (Redundant) | DC Power Supply / Redundant | AC Power Supply | Redundant DC Power Supply |
Architecture | Modular | Fixed | Modular | Modular | Modular |
WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
WAN Ports | 2 WAN | 2 WAN Ports | Dual WAN | 2 WAN | 2 WAN |
LAN Ports | Modular LAN | 2 LAN Ports | 8 LAN Ports | 4 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 | WiFi 6 |
Wireless Support | No | No | No | No | No |
Speed/Capacity | N/A | Gigabit | Gigabit | Gigabit | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN |
Firewall Features | Yes | Yes | Yes | Yes | Yes |
Features | VPN / IPv6 Compatible / Firewall | VPN, Firewall, IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall / MPLS | VPN, Intrusion Prevention, IPv6 Compatible, Firewall | VPN, Firewall, IPv6 Compatible |
Use Case | Enterprise | Enterprise, Small Business | Enterprise | Enterprise | Enterprise |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
Integrated Services | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice, Video |
High Availability Support | Supported | Supported | Supported | Supported | Supported |
Throughput Capacity | 75 Mbps | 300 Mbps | 10 Gbps | 10 Gbps | 10 Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall / Intrusion Prevention / VPN | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention |
Expansion Slots | EHWIC | NIM, EHWIC | SFP+ | NIM | NIM |
Modular Slots Available | 3+ Slots | 1 Slot | 2 Slots | 3+ Slots | 2 Slots |
Stacking Capability | No | No | Yes | Yes | Yes |
5G Support | No | No | No | No | No |
Memory | 256 MB | 2 GB | 4 GB | 4 GB | 4 GB |
Flash Memory | 256 MB | 1 GB | 512 MB | 512 MB | 512 MB |
Interface Ports | RJ-45 | RJ-45, SFP | RJ-45 / SFP+ / Combo Ports | RJ-45, SFP | RJ-45, SFP |
Device Type | Router | Router | Router | Router | Router |
Product Name | Cisco CISCO3925-SEC/K9 Integrated Services Router | Cisco ISR4321-SEC/K9 | MX2020-BASE-DC | PTX10002-60C-AC-IR | CR5P5KBTBA61 Enterprise Router |
Height | 4.5 inches | N/A | 1.75 inches | 3.5 inches | 2.5 inches |
Width | 17.5 inches | N/A | 17.5 inches | 17 inches | 17 inches |
Depth | 15 inches | N/A | 15.0 inches | 16 inches | 15 inches |
Weight | 26 lbs | N/A | 15 lbs | 25 lbs | 15 lbs |
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