Name: QFX5120-48YM-AFO-T Juniper 48x 25G SFP28 8x 100G QSFP28 Switch
Brand: Juniper Networks
SKU: QFX5120-48YM-AFO-T
Price: 3538.50 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The QFX5120-48YM-AFO-T switch delivers a versatile combination of 25G and 100G ports designed for dense networking setups. It fits well within data centers and enterprise networks requiring scalable, low-latency switching solutions that handle substantial traffic without compromise.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	10G SFP+, 25G SFP28, 40G QSFP+, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	25G,10G,1G,40G,100G
UpLink Ports	8 x QSFP28 (100G)
POE Support	No
Switching Capacity	4 Tbps
DRAM	16 GB
Flash Memory	8 GB
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	SFP28,QSFP28,RJ-45,USB Console,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	160000

Management and Configuration
Routing Protocols	Static, OSPF, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	Console (RJ-45), Out-of-band Management (RJ-45), USB, Ethernet management
Security Features	802.1X,ACLs,SSH,RADIUS,TACACS+,MACsec (optional)
Management Type	CLI,Web UI (Junos),SNMP
Security	Yes
Remote Management Protocol	SSH,SNMP,HTTPS
Routing Protocol	OSPF,BGP,Static

Power & Cooling
Fans	Hot-swappable redundant fans
Power	AC 100-240V, 50/60Hz
Power Supply	Fixed AC (optional redundant PSUs depending on part)

Physical Characteristics
Dimensions	1.72 x 17.3 x 18.1 in
Weight	3.00
Operating Temperature	0°C to 45°C (32°F to 113°F)

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.1Q,IEEE 802.3,IEEE 802.3ad,IEEE 802.3x

Product Description
The QFX5120-48YM-AFO-T is a high-performance switch designed to handle demanding network environments with ease. It is commonly used in modern data centers and enterprise networks where fast and reliable connectivity is essential. Built for IT professionals and network architects, this switch supports dense port configurations with a balanced mix of 25G and 100G interfaces. Key Features Offers 48 SFP28 ports capable of 25GbE speeds for flexible server and storage connections Includes 8 QSFP28 ports, enabling scalable 100GbE uplinks or spine-leaf architectures Delivers consistent low latency performance suited to high-throughput environments Designed with energy-efficient components to reduce power consumption Supports advanced network protocols for seamless integration into existing infrastructures This switch plays a critical role in supporting network workloads by balancing port density with high-speed interfaces. Its reliability and performance help maintain smooth data flows and minimize bottlenecks, contributing to overall system stability.

Use Cases
The QFX5120-48YM-AFO-T often appears in environments where high-density, high-speed connectivity is necessary. It benefits network engineers managing infrastructures that demand robust throughput and adaptability, such as virtualization clusters and storage networks. How It's Used: Deployed in data center leaf-switch roles to connect servers and storage at 25GbE speeds Used as aggregation switches in enterprise networks to consolidate traffic with 100GbE uplinks Supports edge computing setups requiring low latency and high port count Integrated into storage area networks to facilitate fast data transfers across nodes Employed in campus core layers where mixed-speed connections optimize resource allocation Its capability to handle diverse networking demands helps streamline operations and scale infrastructures efficiently. This switch supports consistent performance while simplifying network expansion or reconfiguration tasks.