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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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EX4300-32F-DC
EX4300, 32-Port 1000BaseX SFP, 4x10GBaseX SFP+ and 550W DC P...
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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.
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.
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.
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.
To get the detailed certification, please go to the Compliance Center.
 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 |
Fiber-based access switch worked well for aggregation.
Stable performance with DC power.
Reliable switching with good uplinks.
Easy to manage.
Satisfied overall.
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).
The EX4300-32F-DC provides 32 1 Gbps SFP ports for fiber connectivity and four SFP+ slots for 10 Gbps uplinks.
The EX4300-32F-DC supports Juniper SR, LR, ER, ZR optics and third-party MSA-compliant 1 Gbps and 10 Gbps SFP/SFP+ modules.
It uses an integrated 550W DC power supply rated for –40 V to –72 V input, ideal for telco and DC-powered environments.