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EX4300-48T-DC
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EX4300, 48-Port 10/100/1000BaseT + 550W DC PS
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EX4300-48T-DC
- Description:
- EX4300, 48-Port 10/100/1000BaseT + 550W DC PS
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- Brand:
- Juniper
- GTIN:
- 832938063587
- Condition:
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EX4300-48T-DC Overview
EX4300-48T-DC is a high-performance, rack-mounted Ethernet switch built with an advanced, scalable architecture that supports both Layer 2 switching and basic Layer 3 routing, making it ideal for enterprise access and campus networks. EX4300-48T-DC is engineered with Virtual Chassis stacking technology that enables multiple switches to operate as a single logical device, boosting overall performance and simplifying network management.
EX4300-48T-DC delivers versatile power options with a dedicated DC power supply and is designed for compact environments without compromising on throughput. The switch features 48 10/100/1000 Ethernet ports alongside 4 SFP uplink ports, providing the flexibility required for high-density deployments, data center interconnect, and mission-critical applications where scalability and reliability are paramount.
EX4300-48T-DC price is is available on request. Get immediate quote.
Request bulk order quote for EX4300-48T-DC for additional pricing. Browse the full Juniper Ex4300 Series Ethernet Switches series or explore all Juniper products.
EX4300-48T-DC Specifications
- Product Type
- Switch
- Power Source
- DC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 30 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
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- EX4300-48T-DC
- Uplink Configuration
- 1G / 10G
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 256 MB
- Switching Capacity
- 176 Gbps
- Switching Capacity with Stacking
- 352 Gbps
- Product Name
- EX4300-48T-DC Ethernet Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 11.5 inches
- Weight
- 13 lbs
EX4300-48T-DC Use Case
DC-Powered Top-of-Rack Aggregation in Hyperscale Data Centers
In hyperscale and colocation data centers operating on direct-current distribution, deploying the Juniper EX4300-48T-DC as a top-of-rack aggregation switch delivers 48 Gigabit Ethernet ports with a 550W DC power supply. This configuration leverages Virtual Chassis technology and sub-millisecond failover to simplify network fabric, increase uplink density, and ensure continuous operation—reducing operational expenses and elevating service reliability.
Edge Resiliency at Financial Services Branch Offices
For global banks and financial institutions with remote branches powered by DC backup systems, the EX4300-48T-DC ensures high-availability connectivity and robust security enforcement. By combining 48 10/100/1000Base-T ports with built-in MACsec encryption and centralized Junos OS management, organizations achieve PCI-DSS compliance, streamlined provisioning, and 99.999% uptime—safeguarding transactions and customer data.
5G Fronthaul Aggregation in Telecom Central Offices
In carrier central offices aggregating 5G remote radio units over fiber backhaul, the Juniper EX4300-48T-DC provides a high-density, low-latency switching platform powered entirely by DC. Its 550W DC power supply, redundant uplinks and sub-2 ms latency support mission-critical fronthaul transport, accelerate site turn-up, and scale with evolving 5G service demands—unlocking faster deployments and superior user experiences.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| EX4300-48T-DC |  EX4300-32F-DC |  EX4300-32F-DC-TAA |  EX4300-48T |  EX4300-48MP | |
|---|---|---|---|---|---|
| Depth | 11.5 inches | 10.5 inches | 10.7 inches | 17.3 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10GbE | 10/100/1000 | 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 | 1.75 inches | 1.75 inches | 1.73 inches | 1.75 inches | 1.73 inches |
| IOS | LAN Base | IP Lite | IP Lite | LAN Lite | 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 | EX4300-48T-DC | EX4300-32F-DC | EX4300-32F-DC-TAA | EX4300-48T | EX4300-48MP |
| Media Type Supported | Twisted Pair / Fiber | Fiber | Fiber | Twisted Pair | Twisted Pair / Fiber / Combo |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 48 Ports | 32 Ports | 32 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | N/A | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | N/A | N/A | N/A | 48 x 10/100/1000 RJ45 ports, 4 x 10Gb SFP+ uplink ports | N/A |
| Power Consumption | 30 W | 63W | 70 W | 150W | 435 W |
| Power Source | DC Power Supply | DC Power Supply | DC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | EX4300-48T-DC Ethernet Switch | Juniper Networks EX4300-32F-DC Ethernet Switch | Juniper Networks EX4300-32F-DC-TAA | Juniper Networks EX4300-48T Ethernet Switch | Juniper EX4300-48MP |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | Yes |
| SFP Ports | 4 SFP Ports | 32 SFP+ Ports | 32 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 176 Gbps | 640 Gbps | 128 Gbps | 128 Gbps | 1280 Gbps |
| Switching Capacity with Stacking | 352 Gbps | 640 Gbps | 256 Gbps | 320 Gbps | 1280 Gbps |
| Uplink Configuration | 1G / 10G | 10G | 10G | 10G | 10G |
| Weight | 13 lbs | 8.6 lbs | 7.3 lbs | 13.6 lbs | 18 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
A
Andrew Shaw
4
Stable switching and good uplink capacity.
D
Daniel Collins
4
Reliable access layer performance.
S
Stephen Parker
5
Easy deployment.
V
Victor Lane
4
No complaints.
Questions & Answers
What are the key features of the EX4300-48T-DC switch?
The EX4300-48T-DC offers 48 10/100/1000Base-T ports, a 550W DC power supply, Virtual Chassis stacking, Junos OS, and advanced L2/L3 features in a 1U form factor.
How many ports and speeds does the EX4300-48T-DC support?
The EX4300-48T-DC supports 48 RJ-45 ports at 10/100/1000 Mbps plus four 10GbE SFP+ uplink slots for high-throughput connectivity.
What is the role of the 550W DC power supply in this model?
The integrated 550W DC power module delivers redundant, efficient power for high-availability DC-powered environments with minimal impact on rack space.
Can multiple EX4300-48T-DC switches be stacked?
Yes, EX4300-48T-DC supports Virtual Chassis technology, allowing up to 10 units to be managed as a single logical device for simplified operations.