Juniper · New & refurbished
Juniper EX4400 switches
Cloud-ready campus and access switching with PoE-bt, multigig and 100GbE uplinks. Stack up to 10 switches as one Virtual Chassis.
Juniper EX4400 (24X shown)Campus access and aggregation
The EX4400 is Juniper's current mainstream access switch for enterprise campus and branch, managed via Junos OS or Mist. Every model has two QSFP28 ports for Virtual Chassis or 100GbE uplinks, and accepts an optional extension module for extra uplinks.
Typical use: campus access with PoE for Wi-Fi 6/6E/7 access points, cameras and phones, wiring-closet aggregation (EX4400-48F) and branch core.
Key specifications
| Models | 24T, 48T, 24P, 48P, 24MP, 48MP, 48F, 24X, 48XP, 48MXP |
|---|---|
| PoE | IEEE 802.3bt, up to 90 W per port (P / MP / XP models) |
| Built-in uplinks | 2x QSFP28 (Virtual Chassis or 100GbE uplink) |
| Extension modules | EX4400-EM-4S (4x 10GbE), EX4400-EM-4Y (4x 25GbE, MACsec), EX4400-EM-1C (1x 100GbE, MACsec) |
| Virtual Chassis | Up to 10 members |
| Cooling | Dual hot-swap fan trays, front-to-back or back-to-front |
| Power | AC or DC, optional second PSU for 1+1 redundancy |
Part numbers we supply
| Part number | What it is |
|---|---|
EX4400-24T / -48T | 24 / 48x 1GbE, non-PoE |
EX4400-24P / -48P | 24 / 48x 1GbE PoE-bt |
EX4400-24MP / -48MP | Multigig PoE-bt |
EX4400-48F | 48x 1/10GbE SFP/SFP+ fibre |
EX4400-EM-4S / -4Y / -1C | Uplink extension modules |
Power supplies | AC and DC PSUs matching each model and PoE budget |
Ask us about the right PSU for your PoE budget.
What you get from VelinQ
Tested on Junos
Every refurbished unit is powered up, checked for alarms and tested before shipping. Configuration is zeroized.
Warranty
Minimum 12 months for end users, with clear RMA handling.
Serials documented
Serial numbers are recorded per unit and listed on your invoice.
Fast shipments
Fast shipments and good availability.
Frequently asked questions
Can EX4400 be managed with Mist?
Yes, the EX4400 supports cloud management through Juniper Mist as well as standard Junos OS CLI. Mist subscriptions are purchased separately from Juniper.
How many switches can I stack?
Up to 10 EX4400 switches in one Virtual Chassis, managed as a single device.
Do you also supply EX4100, EX4300 and EX4650?
Yes. We supply the full EX range including older EX3400/EX4300 and the EX4650 aggregation switch.
Looking for Juniper EX4400 switches?
Send us the part numbers, quantity, condition (new or refurbished) and delivery country. You'll get a firm offer from a Juniper specialist, usually within one business day.
VelinQ Networks is an independent reseller and not an authorized Juniper Networks partner. Juniper, Junos and product names are trademarks of Juniper Networks, Inc. Software licensing and Juniper support contracts are subject to Juniper's own policies. Specifications are based on Juniper's published documentation; always confirm against the current datasheet for your use case.