Name: DCS-7280SR3-48YC8-R Arista 7280SR3 48x25GbE SFP28 8x100GbE Switch
Brand: Arista
SKU: DCS-7280SR3-48YC8-R
Price: 14479.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Arista 7280SR3-48YC8-R switch delivers 48 SFP28 ports at 25GbE speeds combined with 8 QSFP28 ports supporting 100GbE, all housed in a 1RU chassis with rear-to-front airflow. It supports advanced Layer 2 and Layer 3 protocols, fitting into enterprise and cloud data center networks needing scalable and flexible Ethernet aggregation.

General Information
Brand	Arista
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	25G SFP28, 100G QSFP28, RJ-45, QSFP / QSFP+, USB Console, Serial Console (RJ-45)
Port Speed	25Gbps,100Gbps
UpLink Ports	8x100GbE QSFP28
POE Support	No
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 3
Connector Type	SFP28,QSFP28,RJ-45,USB

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF, OSPFv3, BGP, IS-IS, VRRP, PIM-SM, IGMP, Policy-Based Routing (PBR), Route Maps
Remote Protocols	Yes
Management Interfaces	CLI (SSH/Telnet),Console (RJ-45),USB,HTTP/HTTPS,REST (eAPI),SNMP,Syslog
Security Features	ACLs,802.1X,SSH,RADIUS/AAA,Port Security,MAC Authentication,DoS Protection
Management Type	CLI,Web UI,REST API (eAPI)
Remote Management Protocol	SSH,Telnet,HTTPS,REST (eAPI),SNMP

Power & Cooling
Fans	Rear-to-Front (Hot-swappable)

Physical Characteristics
Weight	3.00

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

Product Description
The Arista DCS-7280SR3-48YC8-R is a high-density network switch designed for data centers requiring scalable 25GbE and 100GbE connectivity. It features 48 SFP28 ports supporting 25 Gigabit Ethernet and 8 QSFP28 ports supporting 100 Gigabit Ethernet, enabling flexible uplink and aggregation configurations. This model employs a rear-to-front airflow, which aligns with certain data center cooling designs to maintain optimal thermal performance. The switch is suitable for leaf-spine network topologies and large-scale deployments. Typical users include network engineers and IT professionals managing enterprise or cloud data center networks that demand a balance of port density and speed. Key Features 48 ports of 25GbE SFP28 for high-density server connectivity 8 ports of 100GbE QSFP28 for uplink and aggregation purposes Rear-to-front airflow to support specific cooling strategies Compact 1RU form factor suitable for dense rack deployments Advanced Layer 2 and Layer 3 networking capabilities This switch addresses the operational needs of modern data centers by providing flexible port configurations and airflow management. Its design facilitates integration into existing network infrastructures that require mixed-speed Ethernet connectivity and optimized cooling paths.

Use Cases
The Arista 7280SR3-48YC8-R switch is typically deployed in data center environments requiring high-density 25GbE server connectivity alongside 100GbE uplinks. It benefits network architects managing leaf-spine topologies and those needing specific airflow directions in rack configurations. How It's Used: Connecting high-performance servers via 48 25GbE SFP28 ports in enterprise data centers Providing 100GbE uplinks or spine connections through 8 QSFP28 ports Integrating within leaf-spine architectures for scalable network designs Deploying in racks designed for rear-to-front airflow cooling Supporting advanced Layer 2/3 routing and switching for cloud environments This switch plays a key role in data center network infrastructure by enabling flexible port speeds and maintaining environmental compatibility through its airflow design. It supports scalability and efficient network traffic management in demanding operational settings.

FAQ's
What does rear-to-front airflow mean for this switch? Rear-to-front airflow indicates that the switch expels hot air out of the rear and takes in cool air from the front, designed to match certain data center cooling configurations. How many 25GbE ports does the DCS-7280SR3-48YC8-R have? It includes 48 SFP28 ports supporting 25 Gigabit Ethernet connections for server or device connectivity. What uplink speeds are supported on this Arista switch? The switch provides 8 QSFP28 ports that support 100 Gigabit Ethernet for uplink or aggregation purposes. Is this switch suitable for leaf-spine network architectures? Yes, the 7280SR3 series is designed to support leaf-spine topologies with scalable port density and Layer 2/3 functionality. What form factor does the Arista 7280SR3-48YC8-R have? This model comes in a 1RU rack-mountable chassis, allowing dense installation in standard racks. Does the switch support advanced Layer 3 routing? Yes, it supports advanced Layer 2 and Layer 3 networking features suitable for complex data center environments.