juniper EX Series EX4300 Multigigabit
The Juniper EX4300 Multigigabit is a high-density 1U access switch engineered to power Wi-Fi 6 wireless access points and high-draw IoT equipment. Delivering 24 multi-speed 100M/1G/2.5G/5G/10GBASE-T ports and 24 standard Gigabit Ethernet ports with 95W 802.3bt Class 8 PoE, the EX4300 Multigigabit eliminates cable upgrades by leveraging existing Cat5e and Cat6 infrastructure. High secondary demand exists among enterprise organizations deploying high-bandwidth wireless networks without replacing copper horizontal runs.
Specifications
| Brand | juniper |
|---|---|
| Family | EX Series |
| Form factor | 1U fixed switch |
| Released | Sep 2017 |
| Ports | 24x multigigabit 100M/1G/2.5G/5G/10GBASE-T and 24x 10/100/1000BASE-T ports |
| Poe power | 802.3bt PoE++ up to 95W per port with up to 1400W total budget |
| Uplinks | 4x 40GbE QSFP+ ports and optional modular uplink bays |
| Switching capacity | 960 Gbps / 714 Mpps forwarding performance |
| Stacking | 320 Gbps Virtual Chassis stacking connecting up to 10 members |
Generations
- Previous generation: juniper EX Series EX4300
- Next generation: juniper EX Series EX4400 Multigigabit
Check compatibility with Juniper
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Juniper has tested with the juniper EX Series EX4300 Multigigabit.
- Compatibility Juniper Hardware Compatibility Tool (optics and modules)
- Specifications Juniper TechLibrary
- Support Juniper Support
Equivalent models from other brands
FAQ
Does the EX4300 Multigigabit support 95W PoE per port?
Yes, its 802.3bt implementation provides up to 95W per port for PTZ cameras and high-performance APs.
Can it form a Virtual Chassis with standard EX4300 switches?
Yes, EX4300 Multigigabit switches can stack directly with standard 1GbE EX4300 models in a Virtual Chassis.
Buying or selling EX4300 Multigigabit?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Juniper EX4300 Multigigabit Product Overview, checked 2026-10-27
- Juniper EX4300 Multigigabit Datasheet, checked 2026-10-27