Name: QFX5120-48YM-AFI-T Juniper 48x 25GbE SFP28 8x 100GbE QSFP28 Switch
Brand: Juniper Networks
SKU: QFX5120-48YM-AFI-T
Price: 25957.00 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The QFX5120-48YM-AFI-T provides a blend of 25GbE and 100GbE connectivity tailored to medium to large-scale enterprise and data center environments. It fits into network designs where density, flexibility, and consistent performance are essential, making it a core component for scalable infrastructure.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Layer 3, Managed Switch, Stackable Switch
Form Factor	Standalone
Mount Type	1U Rack
Switch Ports	48 SFP28
Number of Ports	48-Ports
Port Type	25G SFP28, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	25Gbps,100Gbps
UpLink Ports	8 x QSFP28 (100Gbps)
POE Support	No
Switching Capacity	4000 Gbps
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 2, Layer 3
Connector Type	25G SFP28,100G QSFP28,RJ-45,USB Console,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	Serial Console (RJ-45),USB Console,RJ-45 (Management Ethernet)
Security Features	802.1X,ACLs,SSH,DHCP Snooping,IP Source Guard,MAC limiting,Storm control
Management Type	CLI,SNMP,NETCONF
Remote Management Protocol	SNMP,SSH,NETCONF
Routing Protocol	Yes

Power & Cooling
Fans	Hot-swappable fans

Physical Characteristics
Weight	3.00

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, UL

Product Description
The QFX5120-48YM-AFI-T is a high-density switching platform delivering 25GbE and 100GbE interfaces designed for versatile network environments. Often found in data center leaf-spine architectures and high-performance campus aggregation layers, it accommodates demanding traffic loads with low latency and high throughput. Built for IT professionals managing scalable infrastructure, it supports advanced features to maintain robust network operations. This switch fits into environments that require efficient port density combined with flexible uplink options. Key Features Offers 48 SFP28 ports for 25Gbps server and storage connections Includes 8 QSFP28 ports configurable for 100Gbps or breakout modes Supports Junos OS for consistent management and operational control Delivers low latency suitable for demanding data center workloads Designed to support scalability and seamless integration in multi-tier networks In practical terms, the QFX5120-48YM-AFI-T serves as a reliable building block for network expansion, balancing density with performance. Its capabilities help maintain steady data flows and ease the management of large-scale deployments.

Use Cases
This switch is typically deployed in environments requiring dense 25GbE connectivity alongside high-speed uplinks, such as enterprise data centers and campus aggregation networks. It suits network teams focused on modernizing infrastructure while ensuring smooth expansion and operational stability. How It's Used: Data center leaf switch aggregating 25GbE server and storage traffic Campus aggregation layer supporting multi-gigabit connectivity and uplinks Edge deployment in virtualized environments requiring low latency High-performance computing clusters demanding consistent throughput Rack deployments where port density and uplink flexibility are priorities By fitting into these settings, the QFX5120-48YM-AFI-T helps streamline network operations and supports growth without compromising performance or manageability.