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by Arista
Product Line: Arista 7050SX3 Series
Product Type: Data Center Switch
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Product Description

The DCS-7050SX3-48YC12-F Arista switch features 48x25GbE SFP ports and 12x100GbE QSFP100 ports, supporting a maximum of 96 25GbE ports and delivering a throughput of 2.4 (4.8) Tbps with a low latency of 800 ns. It is equipped with a Quad-Core x86 CPU, 8 GB of system memory, and 8 GB of flash storage, alongside a dynamic 32 MB packet buffer. Designed for efficiency, it operates with a typical power consumption of 170W, peaking at 325W, and is housed in a compact chassis measuring 19 x 1.75 x 17.5 in with a weight of 20.3 lbs.

FAQs for the DCS-7050SX3-48YC12-F

  • Q: What is the maximum number of 100GbE ports available on this switch?
  • A: The maximum number of 100GbE ports available is 12.
  • Q: How does the 48x25GbE SFP switch handle cooling?
  • A: It utilizes front-to-rear air flow for cooling.
  • Q: What are the power supply options for this networking switch?
  • A: It comes with 2xAC power supplies.
  • Q: Can you detail the throughput capabilities of the 12x100GbE QSFP100 switch?
  • A: The switch offers a throughput of 2.4 Tbps, expandable up to 4.8 Tbps.
  • Q: What is the maximum supported 25GbE port count?
  • A: The switch supports up to 96 25GbE ports.
  • Q: Describe the CPU and memory specifications for this device.
  • A: It is equipped with a Quad-Core x86 CPU and 8 GB of system memory.
  • Q: What are the available management interfaces on the switch?
  • A: The switch includes 1 management port, 1 RS-232 serial port (RJ-45), and 1 USB port.
  • Q: What is the latency specification of the 12x100GbE QSFP100 switch?
  • A: The switch has a latency of 800 ns.
  • Q: How much flash storage is available on the switch?
  • A: There is 8 GB of flash storage available.
  • Q: What are the physical dimensions and weight of the switch?
  • A: The dimensions are 19 x 1.75 x 17.5 inches (48.3 x 4.4 x 44.6 cm) and it weighs 20.3 lbs (9.22kgs).

Product Review

The Arista DCS-7050SX3-48YC12-F switch offers diverse connectivity options with 48x25GbE SFP and 12x100GbE QSFP100 ports, accommodating a wide range of network demands and facilitating high-density configurations. However, its latency of 800 ns may not meet the needs of environments where ultra-low latency is critical. Additionally, the switch's power consumption, ranging from 170W to 325W, and its quad-core x86 CPU with 8 GB of system memory, ensure efficient handling of intensive workloads, though the power usage might be a consideration for energy-conscious deployments.


The Arista DCS-7050SX3-48YC12-F is a high-performance switch designed to meet the demands of modern data centers, featuring a comprehensive range of connectivity options including 48x25 Gigabit Ethernet SFP ports and 12x100 Gigabit Ethernet QSFP100 ports. This device supports a variety of network speeds, ensuring flexibility for various deployment scenarios. It is engineered for environments requiring high bandwidth and low latency connections. This switch offers a maximum of 12 ports for 100GbE, 24 ports for 50GbE, 12 ports for 40GbE, 96 ports for 25GbE, 96 ports for 10GbE, and 48 ports for 1GbE. The total number of interfaces it supports is 96, allowing for extensive network configurations and the ability to handle large amounts of traffic without congestion. The throughput capacity of the switch is 2.4 Tbps, which can be doubled to 4.8 Tbps, coupled with a packet forwarding rate of 2 billion packets per second, ensuring efficient data processing and transfer across the network. Its latency is measured at 800 nanoseconds, optimizing the speed at which data travels within the network. The switch is powered by a quad-core x86 CPU and comes with 8 GB of system memory and 8 GB of flash storage for the operating system and applications, providing ample processing power and storage for network management and operations. The dynamic buffer allocation is facilitated by 32 MB of packet buffer memory, ensuring smooth data flow and handling of traffic spikes. For management, the device is equipped with one management port, a RS-232 serial port (RJ-45) for console access, and one USB port for additional connectivity options. The switch operates efficiently, with typical power consumption at 170W and a maximum of 325W, demonstrating its energy efficiency. The cooling system is designed with front-to-rear air flow, ensuring proper ventilation and cooling for continuous operation. In terms of physical specifications, the Arista DCS-7050SX3-48YC12-F measures 19 inches in width, 1.75 inches in height, and 17.5 inches in depth, with a weight of 20.3 pounds. This compact form factor allows for easy installation in standard racks, optimizing space in data centers. Key features include:
  • High-density connectivity with up to 96x25GbE and 12x100GbE ports
  • Low latency of 800 ns and high throughput of 2.4 Tbps, expandable to 4.8 Tbps
  • Energy-efficient design with a typical power consumption of 170W
Overall, the Arista DCS-7050SX3-48YC12-F switch offers a powerful solution for data centers in need of high-speed, reliable networking hardware. Its extensive port selection, high throughput, and low latency make it an ideal choice for organizations looking to enhance their network infrastructure.


Part NumberDCS-7050SX3-48YC12-F
Configuration48x25GbE SFP Ports, 12x100GbE QSFP100 Ports
Airflow DirectionFront-to-Rear
Power Supplies2xAC
Maximum 100GbE Ports12
Maximum 50GbE Ports24
Maximum 40GbE Ports12
Maximum 25GbE Ports96
Maximum 10GbE Ports96
Maximum 1GbE Ports48
Total Interface Count96
Data Throughput2.4 Tbps (up to 4.8 Tbps)
Forwarding Rate2 Billion pps
Network Latency800 nanoseconds
Processor TypeQuad-Core x86
Internal Storage8 GB Flash
Buffer Memory32 MB (with Dynamic Allocation)
Management Interfaces1
Serial Console Port1 (RJ-45)
USB Interface1
Power Consumption (Typical/Maximum)170W / 325W
Dimensions19 x 1.75 x 17.5 inches (48.3 x 4.4 x 44.6 cm)
Device Weight20.3 lbs (9.22 kg)

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