QFX5120-48Y-AFI: Juniper 48x25GbE 8x100GbE L3 Switch
MPN: QFX5120-48Y-AFI|By: Juniper

Price
Quoted on request
Current pricing within 48 business hours.
In Stockships worldwide
- Condition:
- New (authorized channel)
- Warranty:
- Full manufacturer warranty
Prefer your own inbox? Email us about this part
Bulk order? Request volume pricing
Authorized & warrantied
Sourced through authorized distribution, with the full manufacturer warranty.
Compatibility checked
Validated against your server platform before dispatch.
Delivery & lead time
Confirmed with your quote, including expedited freight where available.
Business & public sector
POs, net terms and volume pricing for qualified organizations, government and edu.
Product overview
This is the Juniper 48x25GbE 8x100GbE L3 Switch, order code QFX5120-48Y-AFI. Licensed features and the software train a switch shipped with decide what it can actually do once it is racked. Tell us the feature set you are relying on and we will confirm it before you commit.
Quote requests are answered within 48 business hours, with availability confirmed before you raise a purchase order rather than after.
Specifications
General
- Manufacturer part number
- QFX5120-48Y-AFI
- Product Type
- Network Switches
- Manufacturer
- Juniper
Technical specifications
- Switching Layer
- L3
Interfaces & connectivity
- Port Configuration
- 48x25GbE
The table below is what the network switch is documented as, not what we have inferred from the part number. If the figure you need is missing, ask and we will source it from the manufacturer.
Where the Juniper QFX5120-48Y-AFI is deployed
- Sourcing QFX5120-48Y-AFI against a build sheet that names it explicitly
- Standardising a customer estate on one switching platform
- Replacing a failed switch inside a maintenance window
Who this part is for
- Teams adding an access layer or a top-of-rack switch to a live fabric
- Integrators quoting a switch with its optics and rail kit as one line
- MSPs standardising a customer estate on one switching platform
What you get ordering this from us
Ordered by part number
QFX5120-48Y-AFI is what is quoted and QFX5120-48Y-AFI is what ships; where an alternate code is genuinely the same part we name it rather than swap it silently.
Answered by a human
A quote comes back with the reasoning attached, including the cases where we think you should buy something else.
Volume pricing
The listed price is per unit; tiered pricing applies at quantity and purchase orders are accepted.
Questions buyers ask about this part
Is QFX5120-48Y-AFI genuine and is the warranty intact?
Yes. Supplied new and unopened, so the manufacturer warranty and firmware update path stay supported. No grey-market stock and no refurbished units sold as new.
Will QFX5120-48Y-AFI work in my server?
Tell us what it is aggregating and what optics you already hold. We confirm the port mix, the uplink capacity and the airflow variant, and we will list the optics and rail kit you will also need.
Do you accept purchase orders and quote at volume?
Yes. We quote against a purchase order and hold the price for the quote period, with tiered rates at quantity. Net terms are available once the account is approved.
Compare other Network Switches we stock
| Model | Brand | Key spec | Availability | From |
|---|---|---|---|---|
| Cisco Catalyst C9300-24T 24 x 1GbE RJ45 Layer 3 Managed Stackable Network Switch | Cisco | Port Configuration: 24 x 1GbE RJ45 | In Stock | $3,705 |
| Arista 7050SX3-48YC8 48 x 25GbE SFP28 + 8 x 100GbE QSFP28 Layer 3 Data Center Network Switch | Arista | Port Configuration: 48 x 25GbE SFP28 + 8 x 100GbE QSFP28 | In Stock | $14,950 |
| HPE Aruba JL661A CX 6300M 24-Port 24 x 1GbE RJ45 Layer 3 Managed Stackable Switch | HPE | Port Configuration: 24 x 1GbE RJ45 | In Stock | $3,445 |
| Dell EMC PowerSwitch S5248F-ON 48 x 25GbE SFP28 + 4 x 100GbE QSFP28 Open Networking Data Center Switch | Dell Technologies | Port Configuration: 48 x 25GbE SFP28 + 4 x 100GbE QSFP28 | In Stock | $11,960 |
| Fortinet FortiSwitch FS-424E 24 x 1GbE RJ45 Secure Managed Access Switch | Fortinet | Port Configuration: 24 x 1GbE RJ45 | In Stock | $2,145 |
| Ubiquiti UniFi USW-Pro-24-PoE 24 x 1GbE PoE+ RJ45 + 2 x 10G SFP+ Layer 3 Managed Network Switch | Ubiquiti | Port Configuration: 24 x 1GbE PoE+ RJ45 + 2 x 10G SFP+ | In Stock | $1,015 |
Browse all Network Switches or everything we stock from Juniper.
Specifying a system, not just the part?
Multi-node training is bounded by the fabric between the nodes, so the switch is specified with the cluster rather than after it.
