United States$5,000,000+
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Caleb Norton
5
Fiber-based access switch worked well for aggregation.
EX4300-32F-DC
EX4300, 32-Port 1000BaseX SFP, 4x10GBaseX SFP+ and 550W DC P...
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Name:
EX4300-32F-DC
- Description:
- EX4300, 32-Port 1000BaseX SFP, 4x10GBaseX SFP+ and 550W DC PS (Optics sold separately)
- Rating:
Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Juniper
- GTIN:
- 832938064713
- Condition:
- Warranty:
- 3
- List Price:
$13,555.00
- Price:
$8,188.0039.6% off
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1
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EX4300-32F-DC Overview
EX4300-32F-DC is a high-performance, rack‐mount switch engineered for demanding enterprise and data center environments. Built on a resilient architecture, it supports both Layer 2 and Layer 3 operations and is optimized for scalability and rapid stacking, ensuring reliable expansion and seamless network management.
With a design that emphasizes efficient DC power delivery and 32 fixed 10GbE SFP+ ports, the switch delivers exceptional throughput and low-latency performance. It is ideally suited for use cases requiring high-density fiber connectivity, such as campus aggregation, data center interconnects, and high-performance computing environments.
EX4300-32F-DC price is $8,188.00, a 39.6% saving from the Juniper list price of $13,555.00. EX4300-32F-DC is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for EX4300-32F-DC for additional pricing. Browse the full Juniper Ex4300 Series Ethernet Switches series or explore all Juniper products.
EX4300-32F-DC Specifications
- Product Type
- Switch
- Power Source
- DC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 63W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 32 Ports
- Manageable
- Managed
- Ethernet Technology
- 10GbE
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- EX4300-32F-DC
- Uplink Configuration
- 10G
- IOS
- IP Lite
- POE Support
- Non POE
- SFP Ports
- 32 SFP+ Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- N/A
- Port/Expansion Slot Details
- N/A
- Flash Memory
- 256 MB
- Switching Capacity
- 640 Gbps
- Switching Capacity with Stacking
- 640 Gbps
- Product Name
- Juniper Networks EX4300-32F-DC Ethernet Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 10.5 inches
- Weight
- 8.6 lbs
EX4300-32F-DC Use Case
High-Density Data Center Top-of-Rack Leaf Switching with EX4300-32F-DC
In a hyperscale data center, the Juniper EX4300-32F-DC (32-Port 1000Base-X SFP, 4×10GBase-X SFP+, 550 W DC PS) serves as a top-of-rack leaf switch connecting 32 server blades via fiber uplinks and four 10 GbE aggregation trunks. By leveraging DC power redundancy and hot-swap PSUs, operators achieve sub-50 µs latency, simplified cabling, and seamless spine-leaf scaling. Benefit: maximized port density, ultra-low latency, and 99.999% uptime for mission-critical virtualization and east-west traffic.
Service Provider Remote Site Fiber Aggregation in DC-Powered Environments
Telecom providers deploy the EX4300-32F-DC in remote central offices and cell tower huts to aggregate 32 fiber-fed CPE circuits and four 10 GbE uplinks into the core MPLS network. Its 550 W DC power supply and robust temperature tolerance eliminate the need for AC conversion, reducing OPEX and failure points. Benefit: streamlined fiber aggregation, enhanced network resilience, and up to 30% lower power and cooling costs.
Enterprise Campus Distribution and Network Virtualization Hub
Large enterprises use the EX4300-32F-DC as a building-wide distribution switch, terminating 1000Base-X fiber feeds from edge access switches and uplinking via 10 GbE SFP+ to the data center. Integrated Virtual Chassis Fabric and EVPN-VXLAN simplify multi-tenant segmentation and high-availability design. Benefit: consolidated campus fabric, rapid service provisioning, and a 40% reduction in operational complexity.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 EX4300-32F-DC |  EX4300-48T |  EX4300-48T-AFI |  EX4300-24P |  EX4300-24T | |
|---|---|---|---|---|---|
| Depth | 10.5 inches | 17.3 inches | 14.9 inches | 11.57 inches | 8.7 inches |
| Ethernet Technology | 10GbE | 10/100/1000 | 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 | 1.73 inches | 1.75 inches |
| IOS | IP Lite | LAN Lite | IP Services | IP Lite | N/A |
| Interface Ports | N/A | 10/100/1000 | 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 | EX4300-32F-DC | EX4300-48T | EX4300-48T-AFI | EX4300-24P | EX4300-24T |
| Media Type Supported | Fiber | Twisted Pair | Twisted Pair | Twisted Pair | Twisted Pair |
| Memory | 256 MB | 256 MB | 512 MB | 512 MB | 512 MB |
| Number of Downlink Ports | 32 Ports | 48 Ports | 48 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | POE+ | Non POE |
| Port/Expansion Slot Details | N/A | 48 x 10/100/1000 RJ45 ports, 4 x 10Gb SFP+ uplink ports | 48 x 10/100/1000 RJ45 ports and 4 x 1Gb SFP ports | 24 PoE ports, 4 SFP+ uplink ports | 24 x 10/100/1000 RJ-45 ports and 4 x 10GbE SFP+ uplink ports |
| Power Consumption | 63W | 150W | 95W | 150W | 87 W |
| Power Source | DC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Juniper Networks EX4300-32F-DC Ethernet Switch | Juniper Networks EX4300-48T Ethernet Switch | EX4300-48T-AFI Ethernet Switch | Juniper EX4300-24P Ethernet Switch | Juniper EX4300-24T 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 | No | No | No | No | No |
| SFP Ports | 32 SFP+ Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 640 Gbps | 128 Gbps | 176 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 640 Gbps | 320 Gbps | 352 Gbps | N/A | 320 Gbps |
| Uplink Configuration | 10G | 10G | 1G | 10G | 10G |
| Weight | 8.6 lbs | 13.6 lbs | 18 lbs | 18.3 lbs | 9.4 lbs |
| Width | 17.5 inches | 17.5 inches | 17.3 inches | 17.28 inches | 19 inches |
Reviews & Ratings
A
Andrew Ellis
4
Stable performance with DC power.
D
Daniel Grant
4
Reliable switching with good uplinks.
S
Stephen Marsh
5
Easy to manage.
V
Victor Palmer
5
Satisfied overall.
Questions & Answers
What is the EX4300-32F-DC switch?
The EX4300-32F-DC is a 1RU Juniper switch featuring 32 1000Base-X SFP ports, 4 10GBase-X SFP+ uplinks and a 550W DC power supply (optics sold separately).
How many ports does the EX4300-32F-DC provide?
The EX4300-32F-DC provides 32 1 Gbps SFP ports for fiber connectivity and four SFP+ slots for 10 Gbps uplinks.
Which SFP modules are compatible with this switch?
The EX4300-32F-DC supports Juniper SR, LR, ER, ZR optics and third-party MSA-compliant 1 Gbps and 10 Gbps SFP/SFP+ modules.
What DC power option does the EX4300-32F-DC use?
It uses an integrated 550W DC power supply rated for –40 V to –72 V input, ideal for telco and DC-powered environments.
Does the EX4300-32F-DC support Virtual Chassis?
Yes. It supports Virtual Chassis technology for up to 10 units, simplifying management and scaling by operating as a single logical device.
What is the switching capacity of this model?
The EX4300-32F-DC delivers 1.28 Tbps of switching capacity and up to 952 Mpps forwarding performance.
Which Layer 2 and Layer 3 features are supported?
It supports rich L2 features (VLAN, Spanning Tree, MLAG) and advanced L3 routing (OSPF, BGP, VRF, IPv6).
What is the latency on the EX4300-32F-DC?
The typical latency is sub-2 μs, ensuring ultra-low latency for latency-sensitive applications.
How do I manage the EX4300-32F-DC?
Management options include Junos OS CLI, Juniper Network Director, Junos Space, SNMP, NETCONF and REST APIs.
What are common use cases for this switch?
Ideal for campus aggregation, data center top-of-rack, telco central offices and DC-powered environments.
Does the EX4300-32F-DC provide PoE or PoE+?
No. This model does not support PoE or PoE+; it is designed solely for fiber connectivity.
What are the environmental specifications?
Operating temperature: 0 °C to 45 °C; storage temperature: –40 °C to 70 °C; relative humidity: 5%–90% non-condensing.
How is the EX4300-32F-DC mounted?
It is a 1RU rack-mountable switch with included mounting brackets for standard 19-inch racks.
How do I upgrade the firmware on this switch?
Use the Junos OS upgrade process via CLI or Juniper Network Director to upload and activate new firmware images.
What warranty and support options are available?
It includes Juniper’s limited lifetime warranty and offers optional Care, Care PLUS and Premium Support services.
Can I stack DC-powered and AC-powered units?
No. Virtual Chassis requires uniform power types; DC-powered EX4300s must be stacked with other DC units.