Name: QFX5120-48T-DC-AFO Juniper 48x RJ45 10GbE 6x QSFP28 100GbE Switch
Brand: Juniper Networks
SKU: QFX5120-48T-DC-AFO
Price: 22007.00 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The QFX5120-48T-DC-AFO switch integrates high-density 10GbE access ports with flexible 100GbE uplinks, fitting naturally into modern data centers. It serves as a versatile platform for expanding network capacity while providing consistent performance across various connectivity demands.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 2, Layer 3, Managed Switch, Stackable Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	10GBase-T, 100G QSFP28, QSFP / QSFP+, USB Console, Serial Console (RJ-45)
Port Speed	10GBase-T
UpLink Ports	6 x QSFP28 (40/100GbE)
POE Support	No
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 2, Layer 3
Connector Type	RJ-45,QSFP28,USB Console,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	RJ-45 serial console, USB console, 10/100/1000Base-T management port, SSH, SNMP
Security Features	802.1X, ACLs, MAC limiting, DHCP snooping, IP Source Guard, Storm control, TACACS+, RADIUS
Management Type	CLI, SSH, SNMP, NETCONF
Remote Management Protocol	SSH, SNMP, NETCONF, REST
Routing Protocol	OSPF, BGP, Static

Power & Cooling
Fans	4 hot-swappable fans
Power	-48V DC
Power Supply	-48V DC (single)

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C (32°F to 104°F)

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

Product Description
The QFX5120-48T-DC-AFO is a high-performance network switch built for demanding data center and enterprise environments. It commonly appears in core or aggregation layers where robust 10GbE connectivity and scalable uplinks are needed. Network engineers and IT professionals benefit from its flexibility and capacity to handle heavy workloads. Key Features Offers 48 10GbE copper RJ45 ports for diverse device connections Equipped with 6 QSFP28 ports providing up to 100GbE uplink speeds Supports advanced Layer 2 and Layer 3 switching capabilities Optimized for low latency and high throughput performance Features DC power input suited for specialized power environments This switch delivers reliable switching performance for scalable network infrastructures. Its architecture maintains consistent throughput and connectivity, ensuring smooth operation within complex network topologies. The combination of high port density and uplink options contributes to a balanced and maintainable network core.

Use Cases
The QFX5120-48T-DC-AFO is typically deployed in data centers and enterprise networks where dense 10GbE access with 100GbE uplinks are needed. It suits environments requiring robust, scalable infrastructure and is favored by network administrators managing large-scale switching fabrics. How It's Used: Aggregating multiple 10GbE server connections in mid-sized data centers Providing high-speed access layers in enterprise campus networks Connecting storage clusters with low-latency 10GbE ports Serving as a core or aggregation switch in virtualization-heavy infrastructures Integrating into edge computing sites requiring compact, efficient switching By supporting dense port counts and high uplink speeds, the switch helps maintain operational efficiency and scalability. It reliably handles network traffic growth while adapting to evolving data center designs.