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Arista 7050X3 Series 48-Ports 25GBASE-X SFP28 Layer 3 Rack-mountable Managed Front-to-back Airflow Network Switch with 12-Ports QSFP100 - DCS-7050SX3-48YC12-F

Arista 7050X3 Series 48-Ports 25GBASE-X SFP28 Layer 3 Rack-mountable Managed Front-to-back Airflow Network Switch with 12-Ports QSFP100 - DCS-7050SX3-48YC12-F

Part Number: DCS-7050SX3-48YC12-F
Manufacturer: Arista

Condition: Refurbished

Weight: 15.0 lbs

AvailabilityIn stock

Regular price $7,500.00
Regular price Sale price $7,500.00
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Arista 7050X3 48-Port 25GbE SFP28 Layer 3 Managed Switch with 12x QSFP100 (Front-to-Back) — DCS-7050SX3-48YC12-F

The Arista DCS-7050SX3-48YC12-F is a 7050X3 series 48-port 25GBASE-X SFP28 Layer 3 managed switch with 12x QSFP100 (100GbE) uplinks and front-to-back (F) airflow. Running Arista EOS, it delivers high-density 25GbE data center access switching with exceptional uplink density — 12x 100GbE uplinks for high-bandwidth spine connectivity in demanding spine-leaf fabric deployments.

Key Features

  • 48x 25GBASE-X SFP28 ports for high-density 25GbE server connectivity
  • 12x QSFP100 (100GbE) uplinks — exceptional uplink density for spine connectivity
  • Front-to-back (F) airflow — cold aisle/hot aisle data center compatible
  • Layer 3 managed — full routing, VLAN, QoS, and multicast
  • Arista EOS — programmable, automation-ready network OS
  • VXLAN, EVPN, and BGP for modern data center fabrics

Product Specifications

  • Part Number: DCS-7050SX3-48YC12-F
  • Manufacturer: Arista
  • OEM Status: Retail
  • Model: 7050X3
  • SFP28 Ports: 48x 25GBASE-X
  • Uplink Ports: 12x QSFP100 (100GbE)
  • Airflow: Front-to-Back (F)
  • Switching Layer: Layer 3
  • OS: Arista EOS
  • Form Factor: 1U Rack-mountable

Switch & Port Specifications

  • Switching Capacity: Up to 6.4 Tbps
  • Forwarding Rate: Up to 4.8 Bpps
  • MAC Address Table: 128K
  • Latency: Sub-microsecond

Network & Protocol Specifications

  • Routing: BGP, OSPF, IS-IS, static
  • VLANs: 802.1Q, up to 4,094
  • VXLAN: Supported
  • EVPN: Supported
  • Telemetry: Arista DANZ streaming telemetry

Use Cases

  • High-density 25GbE data center access with maximum uplink bandwidth
  • Spine-leaf fabric leaf node requiring 12x 100GbE uplinks for oversubscription reduction
  • VXLAN/EVPN overlay networking for multi-tenant data centers
  • Arista CloudVision automated data center fabric deployments

Compatibility

  • 25GbE SFP28 optical transceivers and DAC/AOC cables
  • QSFP100 100GbE optical transceivers and DAC cables for uplinks
  • Arista EOS management and CloudVision automation ecosystem

Frequently Asked Questions

What is the advantage of 12x QSFP100 uplinks vs 8x on the 7050SX3-48YC8?
12x 100GbE uplinks provide 1.2 Tbps of uplink bandwidth vs 800 Gbps on the 8-uplink variant — reducing oversubscription ratio for high-bandwidth server workloads and improving spine-leaf fabric performance.
What does the -F suffix indicate?
The -F suffix indicates front-to-back airflow — air enters from the front and exits from the rear. This is suitable for cold aisle containment where the front faces the cold aisle.

The Arista DCS-7050SX3-48YC12-F delivers 48-port 25GbE SFP28 Layer 3 switching with 12x 100GbE QSFP100 uplinks and front-to-back airflow — maximum uplink density for high-bandwidth spine-leaf fabric deployments with Arista EOS automation.

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.