Guide price: Price range: £4,483.19 through £8,000.00 Ex. VAT
The Juniper QFX5120-48Y is a 1 RU fixed-configuration access/leaf switch that combines high port density, multispeed server connectivity and high-capacity uplinks. It runs the standard Junos OS and supports data-centre and campus distribution roles with low latency and full L2/L3/overlay capabilities.
Ideal deployment/environment: QFX5120-48Y is suited to data-centre server-access layers or enterprise campus distribution where a high number of 25 GbE (or 10 GbE) server links are required alongside 100 GbE uplinks. It aligns with leaf-oriented architectures or collapsed spine-and-leaf designs, especially in networks using EVPN-VXLAN overlays for virtualisation or multi-tenant consolidation. Its port density, throughput, and protocol support make it appropriate for modern, high-performance fabric deployments with mixed-speed access requirements.
| Models, compatible accessories, and licenses | ||
|---|---|---|
| QFX5120-48Y-AFI2 | QFX5120-48Y, airflow in, redundant AC PSUs and Fans. Ships with base S/W features | |
| QFX5120-48Y-AFI-T | QFX5120-48Y, 48x25G+8x100G 1U TAA AC PSU side intake and Port side exhaust | |
| QFX5120-48Y-AFO2 | QFX5120-48Y, airflow out, redundant AC PSUs and Fans. Ships with base S/W features | |
| QFX5120-48Y-AFO-T | QFX5120-48Y 48x25G+8x100G 1U TAA AC port side intake and PSU side exhaust | |
| QFX5120-48Y-D-AFI2 | QFX5120-48Y, airflow in, redundant DC PSUs and Fans. Ships with base S/W features | |
| QFX5120-48Y-D-AFO2 | QFX5120-48Y, airflow out, redundant DC PSUs and Fans. Ships with base S/W features | |
| QFX Series Accessories | ||
| QFX5110-FANAFI | Includes: Juniper fan model, back-to-front airflow | |
| QFX5110-FANAFO | Includes: Juniper fan model, front-to-back airflow | |
| EX-4PST-RMK | Includes: Juniper 4 post rack mount kit | |
| Juniper Care | ||
| SVC-COR-QFX51-48Y | Includes: Juniper Care Core Support for QFX5120-48Y | |
| SVC-CP-QFX51-48Y | Includes: Juniper Care Core Plus Support for QFX5120-48Y | |
| SVC-ND-QFX51-48Y | Includes: Juniper Care Next Day Support for QFX5120-48Y | |
| SVC-NDCE-QFX51-48Y | Includes: Juniper Care Next Day Onsite Support for QFX5120-48Y | |
| SVC-SD-QFX51-48Y | Includes: Juniper Care Same Day Support for QFX5120-48Y | |
| SVC-SDCE-QFX51-48Y | Includes: Juniper Care Same Day Onsite Support for QFX5120-48Y | |
| Licenses | ||
| S-QFX5KC1-MACSEC-P | Includes: Class C1 QFX5000, MACsec AES 256 Encryption Software, Perpetual | |
| S-QFX5KC1-MACSEC-3 | Includes: Class C1 QFX5000, MACsec AES 256 Encryption Sub Software, Term: 3 Yrs | |
| S-QFX5KC1-MACSEC-5 | Includes: Class C1 QFX5000, MACsec AES 256 Encryption Sub Software, Term: 5 Yrs | |
| S-QFX5K-C1-A1-3 | Includes: Flex Sub Software, Class 1 QFX5000 line, Adv 1, Term: 3 Yrs | |
| S-QFX5K-C1-A1-5 | Includes: Flex Sub Software, Class 1 QFX5000 line, Adv 1, Term: 5 Yrs | |
| S-QFX5K-C1-A1-P | Includes: Flex Software, Class 1 QFX5000 line, Adv 1, Perpetual | |
| S-QFX5K-C1-A2-3 | Includes: Flex Sub Software, Class 1 QFX5000 line, Adv 2, Term: 3 Yrs | |
| S-QFX5K-C1-A2-5 | Includes: Flex Sub Software, Class 1 QFX5000 line, Adv 2, Term: 5 Yrs | |
| S-QFX5K-C1-A2-P | Includes: Flex Software, Class 1 QFX5000 line, Adv 2, Perpetual | |
| S-QFX5K-C1-P1-3 | Includes: Flex Sub Software, Class 1 QFX5000 line, Prem 1, Term: 3 Yrs | |
| S-QFX5K-C1-P1-5 | Includes: Flex Sub Software, Class 1 QFX5000 line, Prem 1, Term: 5 Yrs | |
| S-QFX5K-C1-P1-P | Includes: Flex Software, Class 1 QFX5000 line, Adv 3, Perpetual |
Many of our vendor partners offer their own flexible finance programs, available for orders over a certain threshold.
As part of our free consultation and advisory service, we can:
Alternatively, we also work independently with third-party organisations to offer the best possible flexible leasing solutions.
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As a certified partner to industry-leading vendors, we provide access to promotions that reduce upfront spend and accelerate upgrade strategies.
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We don’t just sell IT hardware. Every network solution we recommend is assessed against your organisation’s specific security concerns, performance requirements, and infrastructure plans. This consultative approach ensures that our guidance is aligned with your needs, so that you can invest in new IT hardware with complete confidence.
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When your business works with Steel City Consulting, you will gain access to partner-only promotions, bundled solutions, and live demos. Combined with our technical expertise and ongoing support, this ensures your hardware is secure, cost-optimised, and future-ready.
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Backed by extensive technical knowledge, our network of certified specialists deliver end-to-end support to keep your IT infrastructure performing at its best. Our enterprise network solutions include…
| Our service | What to expect |
|---|---|
| Networking Design & Installation |
+ Custom architecture aligned to your business goals + Scalable networks built for growth + Expert installation with minimal disruption to operations + 30-day support window post-installation |
| Network Management & Support |
+ Real-time performance and traffic monitoring + Network design tools for scaling and upgrades + Security alerting and incident response + Backup and failover strategy implementation |
| WiFi Site Surveys |
+ Heatmapping and signal analysis + Access point optimisation + Detailed reports and tailored recommendations + Security enhancements and interference mitigation |
| Business Fibre & FTTP Installation |
+ Up to 1Gbps dedicated bandwidth + Private and uncontended connections + Seamless installation and expert aftercare + 24/7 support and monitoring |
