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Multi-gig ports handled high bandwidth devices easily.
EX4300-48MP
EX4300 CLASS SWITCH WITH 24 X 1G 24 X 100M/1G/2 5G/5G/10G CO...
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Name:
EX4300-48MP
- Description:
- EX4300 CLASS SWITCH WITH 24 X 1G 24 X 100M/1G/2 5G/5G/10G COPPER
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- Brand:
- Juniper
- GTIN:
- 832938083950
- Condition:
- Warranty:
- 3
- List Price:
$14,590.00
- Price:
$8,815.0039.6% off
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1
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EX4300-48MP Overview
EX4300-48MP Overview of EX4300-48MP – EX4300-48MP is a high-performance, rack-mount switch built with a robust and scalable architecture that supports both Layer 2 and Layer 3 operations. Designed for enterprise deployments, it integrates versatile power options including standard AC power with redundant support, and offers a comprehensive mix of 48 copper Ethernet ports with PoE+ and 4 high-speed SFP uplink ports, ensuring efficient data forwarding and power delivery.
This switch features innovative Virtual Chassis stacking technology to seamlessly scale network capacity and simplify management. Its optimized switching capacity of 1280 Gbps, efficient power consumption, and flexible uplink configurations make the EX4300-48MP an ideal choice for data centers, campus networks, and mission-critical applications where performance and reliability are paramount.
EX4300-48MP price is $8,815.00, a 39.6% saving from the Juniper list price of $14,590.00. EX4300-48MP is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for EX4300-48MP for additional pricing. Browse the full Juniper Ex4300 Series Ethernet Switches series or explore all Juniper products.
EX4300-48MP Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 435 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair / Fiber / Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- EX4300-48MP
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 256 MB
- Switching Capacity
- 1280 Gbps
- Switching Capacity with Stacking
- 1280 Gbps
- Product Name
- Juniper EX4300-48MP
- Height
- 1.73 inches
- Width
- 17.5 inches
- Depth
- 11 inches
- Weight
- 18 lbs
EX4300-48MP Use Case
PoE-Powered Campus Access Layer for High-Density Wireless and Security
In a large university campus, the EX4300-48MP switch delivers up to 30W per port to power 200+ Wi-Fi 6 access points and IP surveillance cameras over 24 1GbE PoE+ ports, while providing 24 multi-rate 100M/1G/2.5G/5G/10G uplinks for aggregation. Benefit: Simplified cabling and centralized management reduce deployment time by 40%, ensure uninterrupted wireless coverage, and support real-time video analytics across campus.
Edge Retail Network Enabling Omnichannel IoT and Digital Signage
A nationwide retail chain uses the EX4300-48MP at each store’s wiring closet to connect point-of-sale terminals, RFID readers, digital signage, and environmental sensors. The 24 PoE+ ports supply power to edge devices, while the 2.5G/5G/10G multi-rate uplinks link to the regional data center. Outcome: Streamlined IoT deployment boosts checkout efficiency by 25%, enhances customer engagement with real-time promotions, and lowers operational expenses through unified network automation.
Leaf-Spine Data Center Fabric for Virtualized Workloads
In a cloud hosting environment, the EX4300-48MP acts as a leaf switch in an EVPN-VXLAN fabric, aggregating 48 server connections at 1GbE/2.5GbE speeds and linking to 10GbE spine switches. Its Virtual Chassis technology simplifies management of up to 10 switches as a single logical device. Benefit: Delivers sub-millisecond failover, scales to support 1,000+ VMs, and increases server-to-network throughput by 60% while reducing rack-space footprint.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 EX4300-48MP |  EX4300-32F-DC |  EX4300-32F |  EX4300-24T |  EX4300-48T-AFI | |
|---|---|---|---|---|---|
| Depth | 11 inches | 10.5 inches | 10.8 inches | 8.7 inches | 14.9 inches |
| Ethernet Technology | 10/100/1000 | 10GbE | 10GbE | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.73 inches |
| IOS | IP Services | IP Lite | IP Lite | N/A | IP Services |
| Interface Ports | 10/100/1000 | N/A | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | EX4300-48MP | EX4300-32F-DC | EX4300-32F | EX4300-24T | EX4300-48T-AFI |
| Media Type Supported | Twisted Pair / Fiber / Combo | Fiber | Fiber | Twisted Pair | Twisted Pair |
| Memory | 512 MB | 256 MB | 512 MB | 512 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 32 Ports | 32 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | N/A | N/A | N/A | 24 x 10/100/1000 RJ-45 ports and 4 x 10GbE SFP+ uplink ports | 48 x 10/100/1000 RJ45 ports and 4 x 1Gb SFP ports |
| Power Consumption | 435 W | 63W | 90W | 87 W | 95W |
| Power Source | AC Power Supply | DC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper EX4300-48MP | Juniper Networks EX4300-32F-DC Ethernet Switch | Juniper Networks EX4300-32F Ethernet Switch | Juniper EX4300-24T Ethernet Switch | EX4300-48T-AFI Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | No | No | No |
| SFP Ports | 4 SFP Ports | 32 SFP+ Ports | 32 SFP+ Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 1280 Gbps | 640 Gbps | 640 Gbps | 128 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 1280 Gbps | 640 Gbps | 640 Gbps | 320 Gbps | 352 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 1G |
| Weight | 18 lbs | 8.6 lbs | 7.5 lbs | 9.4 lbs | 18 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 19 inches | 17.3 inches |
Reviews & Ratings
A
Andrew Price
5
Excellent PoE performance.
D
Daniel Reed
4
Reliable access switch for dense environments.
S
Stephen Collins
4
Good stacking and management.
V
Victor Hayes
4
Very satisfied.
Questions & Answers
What is the Juniper EX4300-48MP switch?
The EX4300-48MP is a Juniper EX4300 Class Ethernet switch featuring 24 fixed 1 GbE copper ports plus 24 multi-rate (100 M/1 G/2.5 G/5 G/10 G) copper ports, ideal for high-density access deployments.
What PoE capabilities does the EX4300-48MP provide?
The EX4300-48MP delivers up to 740 W of PoE power budget, supporting 802.3af/at/bt on all 48 ports to power phones, cameras, wireless APs and IoT devices.
What is the switching capacity of the EX4300-48MP?
The EX4300-48MP offers a non-blocking switching capacity of 176 Gbps and a forwarding rate of up to 131 Mpps for robust L2/L3 performance.
Does the EX4300-48MP support Virtual Chassis?
Yes. The EX4300-48MP supports Juniper Virtual Chassis technology to interconnect up to 10 switches into a single logical device with up to 1.44 Tbps of backplane bandwidth.
Which uplink modules are supported by the EX4300-48MP?
The EX4300-48MP supports four built-in SFP+ 10 GbE uplinks and optional 40 GbE QSFP+ or 1/10 GbE SFP+ modules for flexible aggregation.
What management interfaces does the EX4300-48MP offer?
Management options include Junos OS CLI, Junos Space Network Management Platform, a Web-based GUI and SNMP for comprehensive configuration and monitoring.
What power options are available for the EX4300-48MP?
You can deploy the EX4300-48MP with dual AC power supplies or redundant DC power inputs to ensure continuous operation in enterprise environments.
What security features are included in the EX4300-48MP?
The switch supports dynamic ARP inspection, DHCP snooping, port security, storm control and Juniper’s unified threat management integration for secure access.
Is the EX4300-48MP rack-mountable?
Yes. The EX4300-48MP is a 1 RU form factor compliant with EIA-310 rack standards and includes rack-mounting brackets and accessories.
What operating temperatures does the EX4300-48MP support?
The switch operates reliably in environments from 0 °C to 40 °C (32 °F to 104 °F) with relative humidity from 5% to 90% (non-condensing).
Which Junos OS features are available on the EX4300-48MP?
The EX4300-48MP runs Junos OS with support for Virtual Chassis, EVPN/VXLAN, MLAG, IPv6, BGP, OSPF, QoS and multicast protocols.
What is the typical use case for the EX4300-48MP switch?
The EX4300-48MP is ideal for enterprise campus and branch networks requiring high-density multi-rate ports, PoE power and seamless scalability via Virtual Chassis.
How do I upgrade the software on the EX4300-48MP?
You can upgrade Junos OS on the EX4300-48MP via CLI or Junos Space, using standard commit and rollback features to ensure safe, non-disruptive updates.
What warranty and support options are available for the EX4300-48MP?
Juniper offers a one-year limited hardware warranty with 90-day software support, plus optional Juniper Care for next-business-day advance replacement and 24×7 technical assistance.
How do I configure PoE on the EX4300-48MP?
PoE is enabled by default on all ports; you can manage power allocation per port via Junos OS CLI or J-Web under the [edit interfaces] hierarchy for precise control.
Can the EX4300-48MP operate in a Virtual Chassis with other EX4300 models?
Yes. The EX4300-48MP can form a Virtual Chassis with any EX4300 model, providing seamless management and unified data plane across mixed port configurations.