Cisco C9300-48UN-E Managed Switch
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C9300-48UN-E Cisco Catalyst 9300 48-Ports Managed Switch Refurbished

Availability: In Stock
Part Number#: C9300-48UN-E
List Price was: $16261.54
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Short Description:
C9300-48UN-E Catalyst 9300 48 Ports RJ-45 1000Base-T 5 Gigabytes Per Second (GBPS) Power Over Ethernet Plus (PoE+) Gigabit Ethernet Rack-mountable Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

High Performance

The C9300-48UN-E Cisco Catalyst 9300 48-Ports Managed Switch is a high-performance network switch designed for enterprise and campus environments. The switch offers 48 Gigabit Ethernet ports and four 10 Gigabit Ethernet ports, providing ample connectivity options for businesses with high-speed data transfer requirements.

One of the key features of this switch is its ability to handle high-density traffic. The switch is designed to provide line-rate performance, ensuring that network traffic is delivered quickly and efficiently. Additionally, the switch supports advanced traffic management features such as Quality of Service (QoS) and link aggregation, which allows you to prioritize critical traffic and improve network performance.

Another important feature of This product switch is its security capabilities. The switch is equipped with advanced security features such as Access Control Lists (ACLs), Network Admission Control (NAC), and Cisco TrustSec technology. These features help to prevent unauthorized access and network threats, keeping your business' data and network safe and secure.

Additionally, the switch offers Cisco DNA advantages, including software-defined access, network automation, and assurance. With Cisco DNA, network administrators can simplify network operations, and gain more insights, automate network tasks and troubleshoot network issues more effectively.

In summary, the C9300-48UN-E Cisco Catalyst 9300 48-Ports Managed Switch is a high-performance network switch that is designed to meet the demands of enterprise and campus environments. It offers advanced traffic management, security capabilities, and Cisco DNA advantages, which ensures high-speed data transfer, network performance, and security of your network.

Reliability Information

The switch also features advanced reliability features such as Link Aggregation Control Protocol (LACP) and Link Layer Discovery Protocol (LLDP). These features help to ensure that the switch remains operational even if one of the ports or links fail. In case of a link failure, LACP enables the switch to automatically reroute the traffic through an alternative path, thereby ensuring the continuity of network services. LLDP, on the other hand, provides a standard method for the switch to discover and configure the neighboring devices, which help in identifying the failure point easily.

Additionally, the switch is designed to handle high-density traffic and is able to provide line-rate performance, which ensures that network traffic is delivered quickly and efficiently. This reduces the chances of traffic congestion and improves the overall reliability of the network.

Robust Security and Dynamic Quality

This item Cisco Catalyst 9300 48-Ports Managed Switch is a powerful and reliable network switch that provides robust security and dynamic quality performance. The switch is designed to meet the demands of modern businesses and is equipped with a variety of advanced security and performance features.

One of the key features of this switch is its robust security capabilities. The switch includes advanced security features such as Access Control Lists (ACLs), Network Admission Control (NAC), and Cisco TrustSec technology. ACLs provide the ability to define which devices can access the network and what actions they can take, while NAC ensures that only authorized devices can access the network. Cisco TrustSec technology provides end-to-end security and compliance through a simplified and automated security framework.

The switch also offers dynamic quality performance. It features Quality of Service (QoS) capabilities that allow you to prioritize critical traffic and ensure that mission-critical applications are delivered smoothly. Additionally, the switch includes advanced traffic management tools such as Link Aggregation Control Protocol (LACP) and port-based VLANs, which help ensure optimal network performance.

The switch also supports Cisco's Flexible NetFlow (FNF) technology, which provides real-time network visibility and improves network troubleshooting and problem resolution. Additionally, The switch supports Cisco's DNA Advantage which helps to automate the software provisioning, security, and network management functions.

General Information about this Cisco C9300-48UN-E

  • Manufacturer: Cisco
  • Part Number or SKU# C9300-48UN-E
  • Product Line: Catalyst
  • Product Series: 9300
  • Product Model: C9300-48UN
  • Product Type: Ethernet Switch

Interfaces/Ports for Layer 3 Switch

  • Total Number of Network Ports 48
  • Uplink Port: Yes
  • Modular: Yes
  • Stack Port: Yes
  • Port/Expansion Slot Details: 48 x 5 Gigabit Ethernet UPoE
  • Port/Expansion Slot Details: 1 x Uplink

I/O Expansions of 48 Ports Switch

  • Number of Total Expansion Slots: 1
  • Expansion Slot Type: Uplink Module

Media & Performance

  • Media Type Supported Twisted Pair
  • Ethernet Technology 5 Gigabit Ethernet
  • Network Technology 5GBase-T
  • Switching capacity: 640 GBPS
  • Stacking bandwidth: 480 GBPS
  • Forwarding rate: 190.48 MPPS

Network & Communication

  • Layer Supported: 3

Management & Protocols

  • Manageable: Yes


  • Jumbo Frame Support: 9198 bytes
  • MAC Address Table Size: 32000 entries
  • Remote Management Protocol: CLI, NETCONF, RESTCONF, RMON 1, RMON 2, SNMP 1, SNMP 2c, SNMP 3
  • Routing Protocol: IGMP, IS-IS, OSPF, OSPFv3, PIM-SM, PIM-SSM, Policy-based routing (PBR), RIP-1, RIP-2, RIPng, VRRP
  • Compliant Standards : IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad (LACP), IEEE 802.3af, IEEE 802.3at, IEEE 802.3u, IEEE 802.3x


  • 16MB packet buffer, 3 fans, 802.1x authentication, Access Control List (ACL) support, Cisco StackPower technology, Cisco StackWise-480 technology, Control plane protection (CoPP), Flexible NetFlow (FNF), FTP client, Full duplex mode, Integrated Wireshark, Management Information Base (MIB), Private VLAN, Quality of Service (QoS), Remote Switch Port Analyzer (RSPAN), Source-Specific Multicast (SSM), Spanning Tree Protocol (STP) support, Trunking, VLAN Double Tagging (Q-in-Q), Weighted Random Early Detection (WRED)

Power Description

  • PoE (RJ-45) Port: Yes
  • PoE Budget: 645 W
  • Voltage Required: AC 120/230 V
  • Frequency: 50 Hz, 60 Hz
  • Power Source: Power Supply
  • Redundant Power Supply Supported: Yes
  • Power Consumption: 1100 W
  • Plug/Connector Type: IEC 60320 C16


  • RAM: 8 GB
  • Flash Memory: 16 GB

Environmental Parameters

  • Min Operating Temperature: 23 °F
  • Max Operating Temperature: 113 °F
  • Humidity Range Operating: 5 - 90% (non-condensing)
  • Min Storage Temperature: -40 °F
  • Max Storage Temperature: 158 °F
  • Humidity Range Storage: 5 - 90% (non-condensing)

Dimensions & Weight

  • Compatible Rack Unit: 1U
  • Form Factor: Rack-mountable
  • Height: 1.7 Inch
  • Width: 17.5 Inch
  • Depth: 19.1 Inch
  • Weight (Approximate): 20.05 Lbs


  • Package Contents-
  • Catalyst 9300-48UN-E Switch
  • 1 x Power Supply
  • 3 x Field-Replaceable Fans
  • Environmentally Friendly: Yes
  • Environmental Certification: RoHS-5, WEEE
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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