C9300-48UN-A – 48 Ports UPoE – modular uplinks – access switch

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C9300-48UN-A

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List Price: $9973 $3505.75
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C9300-48UN-A Description

C9300-48UN-A combines high-density multigigabit UPOE access (48 ports at up to 5 Gbps/port) with a 256 Gbps non-blocking switching fabric. Each port delivers up to 60 W UPOE for Wi-Fi 6E APs, UHD cameras, and IoT endpoints. StackWise-480 provides 480 Gbps per switch (736 Gbps aggregated in an eight-member stack) with sub-50 ms fail-over. A modular uplink bay supports 1 Gb, 10 Gb, 25 Gb, or 40 Gb modules, protecting your core investment. Network Advantage unlocks full L3 routing, SD-Access micro-segmentation, Encrypted Traffic Analytics, and API programmability. Dual field-replaceable PSUs and fans ensure uninterrupted operation in busy campus or enterprise deployments.

Product Performance

Ethernet Ports
Switching Capacity
Forwarding Rate

Quick Specs

C9300-48UN-A

Specification

Switching capacity

256 Gbps non-blocking; 736 Gbps (stacked)

Forwarding rate

190.48 Mpps; 547.62 Mpps (stacked)

Packet buffer

16 MB shared buffer

Downlink ports

48 × RJ-45 supporting 5 Gb/2.5 Gb/1 Gb/100 Mb, UPOE 60 W/port

Uplink module slot

1 × Type-1 modular (4 × 1 Gb → 2 × 40 Gb) hot-swap

Default PSU / PoE budget

1100 W AC; up to 1440 W PoE (with dual PSUs)

Stacking

StackWise-480: up to 8 members, < 50 ms fail-over

DRAM / Flash

8 GB / 16 GB

Key Features

48 × 5 Gbps Multigig UPOE Ports

Auto-negotiate 5 G/2.5 G/1 G/100 M and deliver up to 60 W per port, ideal for high-density Wi-Fi 6E APs, 4K/8K cameras, and IoT sensors.

256 Gbps Non-Blocking Fabric

Ensures wire-speed forwarding across all 48 ports with zero oversubscription, handling multigigabit traffic seamlessly.

StackWise-480 Resiliency & Scale

Provides 480 Gbps per switch and 736 Gbps aggregated bandwidth across eight units, with < 50 ms fail-over for continuous uptime.

Modular Uplink Flexibility

One Type-1 bay supports 4 × 1 Gb, 8 × 10 Gb, 2 × 25 Gb, or 2 × 40 Gb modules—future-proofing backbone speed without replacing the chassis.

Network Advantage License

Unlocks full Layer 3 routing, SD-Access micro-segmentation, Encrypted Traffic Analytics, and open APIs for automation and programmability.

Enterprise-Grade Security & Reliability

Secure Boot, Trust Anchor SUDI, AES-256 MACsec, redundant field-replaceable fans/PSUs, and 8 GB DRAM/16 GB flash (plus optional SSD slot) for on-box container apps.

Applications Scenarios

Campus Wi-Fi 6E Backbone

Powers and backhauls dozens of multigig APs with 5 Gbps UPOE and sub-50 ms StackWise fail-over.

4K/8K Media Edge

Aggregates high-resolution cameras and workstations over 5 Gbps links; dual 40 Gbps uplinks ensure zero-drop streaming.

IoT/PoE Convergence

Delivers 60 W UPOE to lighting, sensors, and cameras; SD-Access segments building management, security, and guest Wi-Fi.

Product Comparison

Parameter

C9300-48UN-A

C9300-48U-A

C9300-48UXM-A

Switching capacity

256 Gbps (736 Gbps stacked)

256 Gbps (736 Gbps stacked)

580 Gbps (1120 Gbps stacked)

Forwarding rate

190.48 Mpps (547.62 Mpps stacked)

190.48 Mpps (547.62 Mpps stacked)

428.57 Mpps (833 Mpps stacked)

Downlink interfaces

48 × 5 Gb/2.5 Gb/1 Gb/100 Mb UPOE 60 W

48 × 1 Gb UPOE 60 W

36 × 2.5 Gb + 12 × 10 Gb UPOE 60 W

Packet buffer

16 MB

16 MB

16 MB

Uplink flexibility

1 × Type-1 (4 × 1 Gb → 2 × 40 Gb)

1 × Type-1 (4 × 1 Gb → 2 × 40 Gb)

1 × Type-1 (4 × 1 Gb → 2 × 40 Gb)

Software license

Network Advantage (–A)

Network Advantage (–A)

Network Advantage (–A)

C9300-48UN-A Switch Rear Panel

The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules, and power supply modules.

1

Ground connectors

7

StackPower connectors

2

USB3.0–SSD port

8

AC OK (input) status LED

3

BEACON LED

9

PS OK (output) status LED

4

CONSOLE (RJ-45 console port)

10

StackWise-480 port connectors

5

MGMT (RJ-45 10/100/1000 management port)

11

Power supply modules

6

Fan modules

–

–

Rear Panel of a Cisco Catalyst 9300 Series Switch

Components Delivered in the Shipping Box

The shipping box contains the model of the switch you ordered and other components needed for installation. Some components are optional, depending on your order.

1

Cisco Catalyst 9300 Series switch with optional network module1 (power supply and fan modules not shown)

9

Eight number-8 Phillips flat-head screws

2

AC power cord

10

Cable guide

3

Product documentation and compliance document

11

M4.0 x 20mm Phillips pan-head screw

4

Four rubber mounting feet

12

(Optional) RJ-45 console cable

5

Ground lug screw and ring terminal

13

(Optional) USB console cable

6

Two 19-inch mounting brackets

14

(Optional) StackWise-480/1T cable (0.5-meter, 1-meter, or 3-meter)

7

Four number-12 pan-head screws

15

(Optional) StackPower cable (0.3-meter or 1.5-meter)

8

Four number-10 pan-head screws

16

(Optional) StackWise-320 cable

cisco-catalyst-9300-switch-shipping-box

Specifications

Cisco Catalyst 9300-48UN-A Detailed Specifications
Model SKU C9300-48UN-A
Software Image Network Advantage (–A)
Switching Capacity 256 Gbps (non-blocking)
Forwarding Rate 190.48 Mpps (64-byte IPv4)
Stacking Bandwidth 480 Gbps per switch; 736 Gbps end-to-end
Max Stack Members 8
Downlink Interfaces 48 × RJ-45 5 Gb/2.5 Gb/1 Gb/100 Mb, Cisco UPOE 60 W/port
Uplink Module Slot 1 × Type-1 (4 × 1 Gb → 2 × 40 Gb) hot-swap
MAC Address Table 32 000 entries
IPv4 Routes (total) 32 000
IPv6 Routes 16 000
ACL Entries 5 120 hardware ACLs
QoS Entries 5 120
Packet Buffer 16 MB shared buffer
DRAM / Flash 8 GB / 16 GB
External SSD Optional USB 3.0 SSD slot (up to 240 GB)
Fans 3 × field-replaceable, N+1 redundant
Default PSU 1100 W AC (platinum)
Max PoE Budget 1440 W (with dual PSUs)
Power-over-Ethernet Cisco UPOE, IEEE 802.3bt, 60 W per port
Dimensions (H × W × D) 1.73 × 17.5 × 19.1 in (4.4 × 44.5 × 48.5 cm)
Weight (with PSU) 20.05 lb / 9.09 kg
Operating Temperature –5 °C to +45 °C (sea level)
Security Features Secure Boot, Trust Anchor SUDI, MACsec AES-256
App Hosting Container support (ThousandEyes, ASA-C)
SD-Access Group-based policy, on-box automation, fabric segmentation

Get More Information

Discover unbeatable prices and fast shipping for the C9300-48UN-A Access the detailed C9300-48UN-A datasheet and ensure you’re getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via Live chat or email us at [email protected]

Quality Certifications

Customer Reviews

Write A Review
4.9
(10 reviews)
5 Stars
9
4 Stars
1
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1 Stars
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    Tony Montana
    Posted on 18/08/2025
    Verified Buyer
    5.0

    You kept your word. I like that. Good business.

    Isla Pritchard
    Posted on 25/05/2025
    Verified Buyer
    5.0

    Advantage license enabled advanced security features effortlessly.

    Lara Croft
    Posted on 25/05/2025
    Verified Buyer
    5.0

    Arrived in pristine condition. A true find.

    Network Mgr
    Posted on 05/04/2025
    Verified Buyer
    5.0

    Great communication from the sales rep.

    Vincent Lowe
    Posted on 12/03/2025
    Verified Buyer
    5.0

    Very competitive price compared to other vendors.

Questions & Answers

  • What types of interfaces are provided by the C9300-48UN-A?

    It typically includes standard Ethernet ports, and may offer uplink options such as fiber or copper, depending on the specific configuration.

  • Can the C9300-48UN-A be managed remotely, and how?

    Yes, remote management is generally supported through protocols like SSH, HTTPS, or vendor-specific remote management platforms.

  • How do I perform a software update on the C9300-48UN-A?

    Updates can usually be performed via the device's web interface, CLI, or through network management software provided by the manufacturer.

  • What advanced security features does the C9300-48UN-A offer?

    Security features often include encryption capabilities, access controls, threat detection systems, and support for secure management protocols.

  • How loud is the C9300-48UN-A when operating at full capacity?

    Noise levels vary by model but generally remain within acceptable ranges suitable for office environments; consult specific product details for exact metrics.

  • Can I stack multiple units of the C9300-48UN-A together, and what's the limit?

    Stacking capabilities depend on the specific technology implemented; usually, multiple units can be stacked, often limited by manufacturer's recommendations.

  • How easy is it to configure the C9300-48UN-A for IPv6 usage?

    Configuring for IPv6 is straightforward, typically detailed in the user manual and achievable via standard management interfaces.

  • What diagnostic tools are available for troubleshooting the C9300-48UN-A?

    Diagnostic tools provided typically include built-in hardware diagnostics, log inspection tools, and remote management utilities.

  • What warranty coverage does the C9300-48UN-A typically include?

    Warranty coverage usually includes limited parts and labor warranty, details of which can be confirmed through the vendor’s official support page.

  • What steps should I take if the C9300-48UN-A experiences connectivity issues?

    Begin by checking cables and connectors, verifying configurations, examining logs, and rebooting the device if necessary.

Warranty

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Resources Downloads

  • C9300-48UN-A Datasheet

  • Cisco Catalyst 9300 Switch Datasheet

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