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Arista 7280RA 36x40GbE QSFP+ 18x40GbE & 12x100GbE Switch - DCS-7280QRA-C36S-M-R

Arista 7280RA 36x40GbE QSFP+ 18x40GbE & 12x100GbE Switch - DCS-7280QRA-C36S-M-R

Part Number: DCS-7280QRA-C36S-M-R
Manufacturer: Arista

Condition: Refurbished

Weight: 15.0 lbs

AvailabilityIn stock

Regular price $2,643.85
Regular price Sale price $2,643.85
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Arista 7280RA 36x40GbE QSFP+ / 18x40GbE & 12x100GbE Data Center Switch — DCS-7280QRA-C36S-M-R

The Arista DCS-7280QRA-C36S-M-R is a high-density 7280RA series data center switch featuring 36x40GbE QSFP+ ports reconfigurable as 18x40GbE and 12x100GbE, running Arista EOS. Designed for spine and leaf data center architectures, it delivers high-bandwidth, low-latency switching for demanding cloud and enterprise data center environments.

Key Features

  • 36x 40GbE QSFP+ ports — reconfigurable to 18x40GbE + 12x100GbE
  • High-density multi-rate switching for flexible data center topologies
  • Arista EOS — full-featured, programmable network OS
  • Designed for spine and leaf data center architectures
  • Advanced telemetry and streaming analytics via EOS

Product Specifications

  • Part Number: DCS-7280QRA-C36S-M-R
  • Manufacturer: Arista
  • OEM Status: Retail
  • Model: 7280RA
  • 40GbE QSFP+ Ports: 36 (reconfigurable)
  • 100GbE Mode: Up to 12x100GbE
  • Switching OS: Arista EOS
  • Form Factor: Rack-mountable

Switch & Port Specifications

  • Switching Capacity: Up to 3.6 Tbps
  • Forwarding Rate: Up to 2.6 Bpps
  • MAC Address Table: 128K
  • Latency: Sub-microsecond cut-through

Network & Protocol Specifications

  • Routing: BGP, OSPF, IS-IS, static
  • VLANs: 802.1Q, up to 4,094
  • VXLAN: Supported
  • EVPN: Supported
  • Multicast: PIM-SM, IGMP v1/v2/v3

Use Cases

  • Data center spine switching in leaf-spine architectures
  • High-density 40GbE and 100GbE data center connectivity
  • Cloud and enterprise data center core switching
  • VXLAN/EVPN overlay networking for multi-tenant data centers

Compatibility

  • 40GbE QSFP+ and 100GbE QSFP28 optical transceivers and DAC/AOC cables
  • Arista EOS management, CloudVision, and automation ecosystem

Frequently Asked Questions

What does the -M-R suffix indicate?
The -M suffix typically indicates a specific memory or feature configuration, and -R indicates a redundant power supply option. Verify with Arista's datasheet for the exact configuration of this SKU.
Does this support VXLAN and EVPN?
Yes — the 7280RA running EOS supports VXLAN and EVPN for overlay networking in multi-tenant data center environments.

The Arista DCS-7280QRA-C36S-M-R delivers high-density 40GbE/100GbE data center switching with Arista EOS, VXLAN/EVPN support, and sub-microsecond latency — a powerful spine switch for cloud and enterprise leaf-spine data center architectures.

Frequently Asked Questions

Why do I see an incorrect image for this item?

Product images are meant for illustrative purposes alone, and you may not always see the original image.

What do you mean by term Refurbished?

Refurbished means a used computer part or device that has been cleaned, checked, and repaired to make sure it works properly again. Unlike regular second-hand items, refurbished products go through testing and fixing so they can perform like new.

How many days does it take to ship goods to customers?

All orders are processed within 1-2 business days. Orders placed on weekends or public holidays will be processed on the next business day. For more info visit shipping policy.

What is your return policy?

Our Return Policy comprises a 30-day warranty for Refurbished products. There will be a restocking fee applied when you return non-defective returns. For further details, kindly take a look at our Return Policy page.

Do you deliver my ordered items in their original retail box?

For Brand New items, you will receive them in their original retail box. For Refurbished items, you will receive them in a Brown Box or Bulk Packaging.

Do your printers come with ink cartridges?

Refurbished printers do not come with ink cartridges or toners.