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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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EX4300-48MP
EX4300 CLASS SWITCH WITH 24 X 1G 24 X 100M/1G/2 5G/5G/10G CO...
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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.
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.
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.
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.
To get the detailed certification, please go to the Compliance Center.
 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 |
Multi-gig ports handled high bandwidth devices easily.
Excellent PoE performance.
Reliable access switch for dense environments.
Good stacking and management.
Very satisfied.
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.
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.
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.
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.