juniper EX Series EX4400 Multigigabit
The Juniper EX4400 Multigigabit is a high-performance 1U cloud-native campus switch delivering 24 or 48 multi-speed ports capable of 100M/1G/2.5G/5G/10GBASE-T operation with full 802.3bt PoE++ up to 90W. Built on modern merchant silicon and managed through Juniper Mist AI, the switch features EVPN-VXLAN support, MACsec AES-256 link encryption, and 200 Gbps of Virtual Chassis stacking over 100GbE ports. It represents the top choice for high-speed Wi-Fi 6E/7 installations and dense IoT environments.
Specifications
| Brand | juniper |
|---|---|
| Family | EX Series |
| Form factor | 1U fixed switch |
| Released | Apr 2021 |
| Ports | 24 or 48x multigigabit 100M/1G/2.5G/5G/10GBASE-T ports |
| Poe power | 802.3bt PoE++ delivering up to 90W per port with up to 2200W total budget |
| Uplinks | 2x 100GbE QSFP28 ports and modular uplink bays |
| Encryption | IEEE 802.1AE MACsec AES-256 on all access and uplink ports |
| Cloud management | Native Mist AI Wired Assurance with automated microsegmentation |
Generations
- Previous generation: juniper EX Series EX4300 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 EX4400 Multigigabit.
- Compatibility Juniper Hardware Compatibility Tool (optics and modules)
- Specifications Juniper TechLibrary
- Support Juniper Support
Equivalent models from other brands
FAQ
What is the maximum PoE budget available on the EX4400 Multigigabit?
With dual 1600W AC power supplies, it delivers up to 2200W of total PoE power budget.
Does the switch support line-rate MACsec encryption?
Yes, it supports line-rate MACsec AES-256 across all access and uplink interfaces.
Buying or selling EX4400 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 EX4400 Multigigabit Product Overview, checked 2026-10-27
- Juniper EX4400 Multigigabit Datasheet, checked 2026-10-27