The Juniper EX4300-48MP is ideal for high-density network applications. As the multigigabit model of the EX4300 family, the EX4300-48MP supports IEEE 802.3bz-compliant 100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, and 10 Gbps speeds on access ports, providing higher bandwidth. Additionally, the EX4300 multigigabit switch supports up to 95 watts of power, allowing PoE++ devices that need more power than 30 watts from the switch.
| Ports | 48x 10/100/1000Base‑T (select multigig 1/2.5/5/10G) |
| PoE | High‑power PoE with IEEE 802.3af/at/bt support (per‑port) |
| Uplinks | 4x 1/10GbE SFP+; optional 2x 40GbE QSFP+ module |
| Power | Dual hot‑swappable AC PSUs (large PoE budget with redundancy) |
| Stacking | Virtual Chassis up to 10; Mixed VC with EX4600 |
| Operating system | Junos OS with rich L2/L3 and automation |
| Access ports | 48x RJ‑45; subset supports 1/2.5/5/10G multigig for Wi‑Fi 6/6E APs |
| PoE features | 802.3af/at/bt; LLDP‑MED; perpetual/fast PoE for uninterrupted power |
| Uplinks/expansion | 4x SFP+ 1/10G; optional 2x QSFP+ 40G uplinks/stacking |
| Switching/performance | Wire‑speed forwarding; hardware ACL/QoS; low latency |
| Layer 2 | VLANs, PVLAN, STP/RSTP/MSTP, ERPS, LACP; IGMP/MLD |
| Layer 3 | Static, RIP, OSPF, PIM, VRRP; IPv4/IPv6 dual‑stack |
| Security | 802.1X (multi‑auth), DHCP snooping, DAI, MAC limiting, ACLs |
| Management | Junos CLI, J-Web, NETCONF, REST, SNMP; ZTP; OOB management |
| Power/cooling | Redundant hot‑swap AC PSUs; FRU fan tray; PoE load sharing |
| Physical/env | 1U 19‑inch rack‑mount; operating 0–45°C; 10–85% RH |
Yes, the Juniper EX4300-48MP 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 EX4300-48MP 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 EX4300-48MP 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 EX4300-48MP 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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