What is the switching capacity of the DCS-7280SR2-48YC6-R?

The Arista DCS-7280SR2-48YC6-R provides 3.6Tbps full-duplex switching capacity with non-blocking wire-speed performance across all 48x 1/10/25G SFP28 ports and 6x 100G QSFP28 uplinks. This supports high-density 25GbE server connectivity and 100GbE spine uplinks in leaf-spine fabrics.

What port configurations does it support?

48 SFP28 ports operate at 1/10/25G speeds with FC and RS FEC, configurable in groups of 4. Six QSFP28 ports support 6x100GbE, 24x25GbE, 6x40GbE, or 24x10GbE breakouts, enabling flexible top-of-rack to spine scaling.

Is MACsec encryption supported?

Yes, via optional AlgoMatch and MACsec on select models in the 7280R series, providing line-rate 10/25/100GbE encryption without external appliances. Reduces latency and cost for secure data center interconnects.

What redundancy features are included?

1+1 hot-swappable AC PSUs and 4x N+1 hot-swap fans with dynamic control. Reversible airflow options and live EOS patching ensure high availability without single points of failure.

What software capabilities does EOS provide?

Arista EOS supports BGP, OSPF, IS-IS, VXLAN routing/bridging, MLAG, sFlow, PTP, and VM Tracer. Enables stateful ACLs, ingress/egress QoS, and internet-scale routing tables for cloud-native deployments.

What is the buffer size and latency profile?

8GB shared buffer with virtual output queuing and distributed scheduling minimizes congestion in bursty data center traffic. Low-latency VOQ architecture ensures microsecond forwarding for HPC and storage workloads.

DCS-7280SR2-48YC6-R - Arista DCS-7280SR2-48YC6-R 48x25G SFP28 6x100G 3.6Tbps Switch

Name: Arista DCS-7280SR2-48YC6-R 48x25G SFP28 6x100G 3.6Tbps Switch
Brand: Arista
SKU: DCS-7280SR2-48YC6-R

DCS-7280SR2-48YC6-R - Arista DCS-7280SR2-48YC6-R 48x25G SFP28 6x100G 3.6Tbps Switch | US IT Hardware

Product overview

The Arista DCS-7280SR2-48YC6-R is a high-performance 7280R Series data center switch router designed for large-scale cloud and enterprise networks. It features 48 wire-speed 1/10/25G SFP28 ports supporting FC and RS FEC, configurable in groups of 4, plus six 100G QSFP28 uplinks breakout-capable to 24x25GbE, 6x40GbE, or 24x10GbE. Delivering 3.6Tbps full-duplex switching capacity with 8GB deep buffers, it ensures non-blocking performance for high-bandwidth east-west traffic. Rear-to-front airflow, 1+1 hot-swap PSUs, and N+1 fans provide redundancy and reliability. Powered by Extensible OS (EOS), it supports advanced features like VXLAN, EVPN, MLAG, BGP, OSPF, sFlow, and MACsec security. Ideal for spine/leaf architectures, IP storage fabrics, and low-latency HPC environments, reducing latency while scaling to millions of routes.

3.6Tbps full-duplex switching capacity.
48x 1/10/25G SFP28 ports with RS FEC.
6x 100G QSFP28 flexible uplinks.
8GB shared packet buffer memory.
Rear-to-front airflow with N+1 fans.
Arista EOS with VXLAN and EVPN support.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	DCS-7280SR2-48YC6-R
Brand	Arista
Condition	New
Model	7280SR2-48YC6
Standards	802.1Q, 802.3x, Jumbo Frames 9216B, IGMP Snooping
Management	EOS, CLI, SNMPv3, SSHv2, RS232/USB
Product Line	7280R Series
Product Type	Data Center Switch Router
Layer 2/3 Features	VLAN, STP, OSPF/BGP/IS-IS, VXLAN, EVPN, MLAG, sFlow, PTP

Storage

Buffer

Compatible systems

Optimized for Arista EOS cloud fabrics; compatible with standard SFP/QSFP optics and 1U racks.

Arista 7280R Series
Model: Spine/Leaf
Form factor: 1U
Generation: R2
Native EOS integration

Best for

Data Center Spine
High-capacity uplinks handle massive east-west traffic in multi-tier leaf-spine topologies.
Leaf/Top-of-Rack
48x25G ports connect dense server racks with low-latency 1/10/25G access.
Cloud Networking
VXLAN/EVPN support enables scalable multi-tenant overlays for public/private clouds.
IP Storage Fabric
25G SFP28 with FC support optimizes NVMe-oF and high-throughput storage networks.
High Performance Computing
3.6Tbps non-blocking switching with deep buffers for low-latency HPC clusters.
Enterprise Core
100G uplinks and EOS routing scale core aggregation for large campuses.

Details

Shipping, warranty & returns

Customer reviews

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Forwarding Rate	2.14Bpps
Switching Capacity	3.6Tbps full-duplex

Fans	4x hot-swap (N+1)
Airflow	Rear-to-front

Arista DCS-7280SR2-48YC6-R 48x25G SFP28 6x100G 3.6Tbps Switch

Product overview

Featuring

Storage

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Network & Communication

Power Consumption

Physical Characteristics

Environmental

Interface/Ports

Frequently asked questions