Cisco C921-4P network switch Managed Black

Mfr. Part #: C921-4P
Brand: Cisco
Condition: Refurbished
-9%
  • Was: $1,150.00
    You Save: $103.50 9% OFF
    $1,046.50 In Stock - Ships Worldwide Order by 2:00 PM ET for Overnight Shipping
  • Warranty: 90-day return/replacement

    Click here to read our Return Policy for returns/replacements.

C921-4P

Cisco C921-4P network switch Managed Black

Extra 5% Off at Checkout

  • Genuine Guarantee
  • Volume Pricing Available
Free ground shipping within the
United States
Sam Gov

Government, Federal & Education Procurement

We support quotes, POs, stock docs, and compliance invoicing.

Email: support@buyrouterswitch.com SAM.gov Registered Vendor CAGE Code : 23P86
overview
specifications
faqs
reviews

C921-4P Overview

CISCO - Integrated Services Router 921 Router - Gigabit Ethernet (C921-4P).

2 ports (GE) WAN, 4-port GE LAN, USB 2.0

  • Managed Telnet, Simple Network Management Protocol Version 3 (SNMPv3), Secure Shell (SSH) Protocol, CommandLine Interface (CLI), and HTTP management
  • Quality of Service (QoS) support
  • Basic switching RJ-45 Ethernet ports quantity: 4
  • Access Control List (ACL)
  • Power supply included

Summary Description

Cisco C921-4P. Switch type: Managed. Basic switching RJ-45 Ethernet ports quantity: 4, USB 2.0 ports quantity: 1. Networking standards: IEEE 802.1D

Need help with C921-4P?

Get pricing, availability, lead time, and compatible options from our team. Chat with us live or email support@buyrouterswitch.com

Specifications

Overview

Condition Refurbished
Brand Cisco
Stock In Stock

Management features

Switch type Managed
Quality of Service (QoS) support Yes

Ports & interfaces

Basic switching RJ-45 Ethernet ports quantity 4
USB 2.0 ports quantity 1

Network

Networking standards IEEE 802.1D
10G support No
IP routing Yes
Link aggregation Yes
Rate limiting Yes
VLAN support Yes

Security

Access Control List (ACL) Yes
IGMP snooping Yes
Security algorithms 802.1x RADIUS

Protocols

Management protocols Telnet, Simple Network Management Protocol Version 3 (SNMPv3), Secure Shell (SSH) Protocol, CommandLine Interface (CLI), and HTTP management

Design

Rack mounting No
Stackable No
Product colour Black
LED indicators Yes
Electromagnetic compatibility 47CFR, AS/NZS CISPR22 2, CISPR22, EN55022, ICES003, EN61000-3-2, KCC, EN55024, KN24

Performance

Internal memory 1024 MB
Flash memory 2048 MB

Power

Power supply included Yes
Number of power supply units 1
AC input voltage 100 - 240 V
AC input frequency 50 - 60 Hz

Power over Ethernet (PoE)

Power over Ethernet (PoE) No

Operational conditions

Operating temperature (T-T) 0 - 50 °C
Storage temperature (T-T) -40 - 70 °C
Operating relative humidity (H-H) 5 - 95%

Weight & dimensions

Width 228.6 mm
Depth 241.3 mm
Height 43.2 mm
Weight 1.2 kg

Logistics data

Harmonized System (HS) code 85176990

Frequently Asked Questions

What primary connectivity options does the Cisco C921-4P offer for branch offices? +
The Cisco C921-4P is a high-performance integrated services router designed for small to medium-sized branch offices. It features four 10/100/1000 Mbps Gigabit Ethernet LAN ports, providing robust wired connectivity for local devices. This platform is optimized to deliver secure, reliable broadband and Ethernet WAN access, making it an ideal entry point for businesses looking to modernize their network edge with Cisco’s advanced routing technology.
How does the C921-4P handle data security for remote branch traffic? +
Security is built directly into the C921-4P hardware. It supports comprehensive VPN capabilities, including IPsec, which allows for secure site-to-site tunnels to protect data traversing public networks. Furthermore, the router includes integrated threat defense features and advanced access control mechanisms, ensuring that your branch office traffic remains private and resilient against unauthorized access while maintaining high-speed performance across your enterprise network.
Is the Cisco C921-4P suitable for cloud-managed network deployments? +
Yes, the C921-4P is fully compatible with modern Cisco management architectures. It is designed to be easily provisioned and monitored, allowing network administrators to implement consistent security policies and traffic management configurations across multiple branch locations from a centralized dashboard. This simplifies lifecycle management and reduces the operational overhead typically associated with deploying and maintaining decentralized networking hardware in distributed enterprise environments.
What is the physical form factor and deployment orientation of the C921-4P? +
This router features a compact, fanless desktop design that makes it perfect for environments where rack space is limited or silent operation is required. It can be easily placed on a shelf or mounted in tight spaces within an office cabinet. The durable enclosure is engineered for optimal heat dissipation without moving parts, contributing to improved reliability and a longer service life in branch office deployments.
Does the Cisco C921-4P support advanced quality of service (QoS) features? +
The C921-4P supports robust Quality of Service mechanisms, which are essential for prioritizing critical business traffic. By classifying data packets, the router ensures that latency-sensitive applications—such as voice-over-IP (VoIP) and real-time video conferencing—receive the necessary bandwidth over standard internet traffic. This capability prevents congestion during peak utilization times, ensuring a seamless user experience for employees accessing cloud-based business tools.
Can the C921-4P be integrated into existing enterprise WAN architectures? +
Absolutely. The C921-4P is built to integrate seamlessly into existing Cisco-powered WAN environments. It supports industry-standard routing protocols and virtualization technologies, allowing it to act as a reliable edge device. Its compatibility with Cisco IOS XE software ensures consistent interoperability with your current routing infrastructure, facilitating a smooth transition or expansion of your enterprise branch networking capabilities without requiring a total overhaul of your existing systems.
What kind of power efficiency can be expected from the C921-4P? +
Engineered for energy-conscious organizations, the C921-4P optimizes power consumption without sacrificing throughput performance. Its fanless design and streamlined hardware architecture significantly reduce the power draw typically found in legacy enterprise routers. By minimizing energy overhead, this router helps branch offices lower their total cost of ownership while supporting corporate sustainability goals through more efficient hardware utilization and reduced heat output in remote office spaces.
How does the performance of the C921-4P compare to legacy branch routers? +
The C921-4P offers a significant performance boost over older generations by utilizing modernized hardware architecture and high-throughput Gigabit ports. It is designed to handle the increasing bandwidth demands of modern applications and encrypted traffic flows. By leveraging its dedicated processing power for packet inspection and routing, the platform provides a more stable, responsive, and secure experience than outdated hardware, effectively meeting the requirements of today's digital branch office connectivity needs.
How can I request a bulk quote for multiple C921-4P units from BuyRouterSwitch.com? +
We make bulk procurement efficient for our enterprise clients. If you require a large quantity of C921-4P routers for a company-wide deployment, please reach out to our dedicated sales team through the contact form on our website. We provide competitive pricing structures for high-volume orders, ensuring that your procurement department receives the best possible value for your enterprise infrastructure expansion projects.
Why should I choose BuyRouterSwitch.com for my Cisco enterprise hardware? +
BuyRouterSwitch.com is a trusted source for authentic enterprise networking gear. We prioritize your network's integrity by ensuring all hardware is genuine and sourced through verified channels. Our procurement process is streamlined for professional buyers, focusing on security and accuracy. When you partner with us, you benefit from a dedicated team that understands the complexities of enterprise IT and is committed to facilitating your procurement needs with professionalism and efficiency.

Need Help Choosing the Right Part? Talk to an Expert

  • +1 (800) 870-9487
    Mon-Fri 8am-5pm EST
  • support@buyrouterswitch.com
    Technical support
People