Juniper EX4300-48T-AFI is a high-performance, enterprise-class Ethernet switch designed for high-density deployments at data center, campus, and branch office environments. It is part of the EX4300 switch series known for high performance, scalability, and flexibility. You can interconnect up to 10 switches and manage them as a single device with Virtual Chassis technology. This gives you the pay-as-you-grow solution for expanding networks.
| Ports | 48 x 10/100/1000BASE-T (RJ-45) |
| Uplink options | Modular: 4 x 10GbE SFP+ or 2 x 40GbE QSFP+ |
| Airflow | Back-to-front (AFI) |
| Power | Hot-swappable AC PSUs, 1+1 redundancy supported (100–240 VAC) |
| Stacking/Virtual Chassis | Up to 10 switches as a single logical device |
| Switching performance | Up to 320 Gbps switching capacity (wire-speed) |
| Access ports | 48 x 10/100/1000BASE-T (auto-negotiation, auto-MDI/MDIX) |
| Uplink module | Choice of 4 x 10GbE SFP+ or 2 x 40GbE QSFP+ |
| Virtual Chassis | Stack up to 10 EX4300 units; single management plane |
| Switching capacity | Up to 320 Gbps |
| Forwarding rate | Up to 240 Mpps |
| Cooling/Airflow | Back-to-front (AFI); field-replaceable fan tray |
| Power | Dual hot-swappable AC PSUs supported; 100–240 VAC, 50/60 Hz |
| Layer 3 features | Static, RIP, OSPF, BGP, PIM, VRRP (Junos ELS) |
| Security | 802.1X, MAC limiting, DHCP snooping, DAI, ACLs |
| Management | Junos OS CLI/J-Web, NETCONF/REST, SNMP, ZTP |
Yes, the Juniper EX4300-48T-AFI Switch is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This EX4300-48T-AFI is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The EX4300-48T-AFI comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the EX4300-48T-AFI from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
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