Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black

Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black

Brand Cisco

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£1,587.08

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You save £70.91 (4%)

3 offers at 3 retailers

Listed since 6 May 2026

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Description

Ethernet WAN. IEEE 802.1ag, IEEE 802.1Q, IEEE 802.3, IEEE 802.3ah. Gigabit Ethernet. Web-based management. Cisco 4000 Family Integrated Services Routers (ISRs) form an intelligent WAN platform that delivers the performance, security, and convergence capabilities that today’s branch offices need.. The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet.. The Cisco 4000 Family contains five platforms: the 4451-X, 4431, 4351, 4331, and 4321 ISRs.. Cisco 4000 Family ISRs provide you with Cisco® Intelligent WAN (IWAN) software features and a converged branch infrastructure. Along with superior throughput, these capabilities form the building blocks of next-generation branch-office WAN solutions.. Cisco Intelligent WAN (IWAN). Cisco IWAN is a set of intelligent software services that allow you to reliably and securely connect users, devices, and branch office locations across a diverse set of WAN transport links. IWAN-enabled routers like the ISR 4000 dynamically route traffic across the “best” link based on up-to-the-minute application and network conditions for great application experiences. You get tight control over application performance, bandwidth usage, data privacy, and availability of your WAN links - control that you need as your branches conduct greater volumes of mission-critical business.. Cisco Converged Branch Infrastructure. The Cisco 4000 Series ISRs consolidate many must-have IT functions, including network, compute, and storage resources. The high-performance, integrated routers run multiple concurrent IWAN services, including encryption, traffic management, and WAN optimization, without slowing your data throughput. And you can activate new services on demand through a simple licensing change.. WAN connection. Ethernet WAN. Yes. Network. Networking standards. IEEE 802.1ag, IEEE 802.1Q, IEEE 802.3, IEEE 802.3ah. Ethernet interface type. Gigabit Ethernet. Cabling technology. 10/100/1000Base-T(X). Ethernet LAN data rates. 10,100,1000 Mbit/s. Full duplex. No. Management features. Web-based management. Yes. Quality of Service (QoS) support. Yes. Reset button. Yes. Ports & interfaces. Ethernet LAN (RJ-45) ports. 4. USB version. 2.0. USB ports quantity. 2. RS-232 ports. 2. DC-in jack. Yes. Protocols. Routing protocols. BGP, EIGRP, IS-IS, OSPF. Security. Firewall. Yes. Firewall security. IPSec, EZVPN, DMVPN, FlexVPN. Packaging content. AC adapter included. No. Features. Flash memory. 4000 MB. Internal memory. 4000 MB. Maximum memory card size. 16 GB. Safety. UL 60950-1, CAN/CSA C22.2 No. 60950-1, EN 60950-1, AS/NZS 60950-1, IEC 60950-1, GB-4943. Design. Product colour. Black. Rack mounting. Yes. Rack capacity. 1U. LED indicators. Yes. On/off switch. Yes. Operational conditions. Operating temperature (T-T). 0 - 40 °C. Storage temperature (T-T). -40 - 70 °C. Operating relative humidity (H-H). 5 - 85%. Storage relative humidity (H-H). 5 - 95%. Operating altitude. 0 - 3050 m. Non-operating altitude. 0 - 4750 m. Weight & dimensions. Width. 369.6 mm. Depth. 294.6 mm. Height. 44.5 mm. Packaging data. Package width. 546.1 mm. Package depth. 409.6 mm. Package height. 177.8 mm

Full specifications

Marque Cisco
Référence fabricant isr4321/k9rf
Family Contains Five Platforms the 4451-X

Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black in 2026: still the right choice?

In the Informatique category, the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black by Cisco stands out for its positioning in 2026. Compiral lists all available offers to help you buy at the best price. Our comparison tool takes delivery costs into account to calculate the true total price of each offer. Filter by stock availability, free delivery, or sort by ascending price to find the best deal right now.

Buy the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black now or wait?

With the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black, Cisco delivers a quality level consistent with its market positioning. This product suits both newcomers and regular users of the Informatique category. Its quick setup and reliable performance make it a recommended choice for anyone looking to invest in durable equipment without facing technical complications in the first weeks of use.

Value for money analysed in 2026

At £1,587.08, the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black offers value for money consistent with its positioning in the Informatique category. Cisco maintains a consistent quality level across this range, justifying the investment at this price. Compare with other available offers on our comparison tool to ensure you get the best rate at the time of purchase. The Cisco 8875 IP conference phone from the same range may also interest you for comparison.

Serious alternatives to consider

If the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black does not exactly match your expectations, the Informatique category offers other options to explore. Our comparison tool lists all available products with their prices in real time. Filter by budget, brand or availability to find the most suitable alternative for your situation. The Cisco Aironet Dual-Band Omnidirectional Wi-Fi Antenna, 2 dBi (2.4 GHz)/4 dBi (5 GHz), 1 Port, Direct Mount, RP-TNC Connector, 1-Year Limited Hardware Warranty (AIR-ANT2524DW-RS=) is another reference from the same brand to consider.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 384300 £
Mid-range384300 £ to 896710 £
High-endOver 896710 £

The Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black is available from several trusted retailers. Always check stock availability and delivery times before finalising your order to avoid any unpleasant surprises. On Compiral, offers showing "In stock" can be delivered quickly, often within 2 to 5 working days depending on the retailer and your delivery address.

Frequently asked questions about Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black

Is delivery free for the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black at all retailers?

Free delivery is not guaranteed for the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

How do I return the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black if I am not satisfied?

You have a 14-day right of withdrawal for any online purchase, applicable to the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.

Is the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black worth its price in 2026?

In 2026, the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black is listed from £1,587.08 at our partner retailers. This price is consistent with the positioning of Cisco in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.

What warranty does the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black come with?

The Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Cisco, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.

Is the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black in stock?

Stock availability for the Cisco ISR4321/K9-RF wired router Gigabit Ethernet Black is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.

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