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DCS-7280QR-C36-F

by Arista
Product Line: Arista 7280QR Series
Product Type: Data Center Switch
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Title: Surplus

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Product Description

The DCS-7280QR-C36-F Arista switch features 24x40GbE QSFP+ and 12x100GbE QSFP ports, supporting up to 36 Max 40GbE Ports, 48 Max 25GbE Ports, and 144 Max 10GbE Ports, with a throughput of 4.32 Tbps and packet processing capability of 1.44 Bpps. It operates with a Quad-Core x86 CPU, 8 GB system memory (expandable to 32 GB), and includes hot-swap power supplies and hot-swappable fans for enhanced reliability. Designed for efficiency and high performance, this model has a front to rear air flow, includes two AC power supplies with a typical power draw of 324W and a maximum of 499W, and measures 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3cm).

FAQs for the DCS-7280QR-C36-F

  • What is the maximum number of 40GbE ports available on this switch?
    The switch supports up to 36 40GbE ports.
  • How does air flow direction impact the switch's operation?
    The switch features front to rear air flow, enhancing cooling efficiency for reliable operation.
  • Can the system memory be upgraded?
    Yes, the system memory is upgradeable from 8 GB to 32 GB.
  • What type of power supplies does the switch come with?
    It comes with 2x AC power supplies, supporting 1+1 redundancy.
  • What is the switch's throughput capability?
    The switch delivers a throughput of 4.32 Terabits per second (Tbps).
  • How many USB ports are available on this device?
    The device includes 1 USB port.
  • What are the maximum 25GbE and 10GbE port capacities?
    Maximum capacities are 48 25GbE ports and 144 10GbE ports, respectively.
  • What is the latency range of the switch?
    Latency ranges from 3.8 microseconds.
  • Are the fans and power supplies hot-swappable?
    Yes, the switch has 4 hot-swappable fans (N+1 redundant) and 2 hot-swap power supplies.
  • What are the physical dimensions and weight of the switch?
    The switch measures 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3cm) and weighs 21lbs (9.7kg).

Product Review

The Arista DCS-7280QR-C36-F offers high flexibility in network design with its variety of port speeds, including 24x40GbE and 12x100GbE QSFP ports, catering to diverse deployment needs. However, its base system memory of 8 GB, though upgradeable to 32 GB, may initially limit performance in highly demanding environments. The switch's design incorporates redundancy with hot-swappable power supplies and fans, enhancing system reliability, but the power consumption can peak at 499W, which could be a concern for energy-conscious deployments.

Overview

The Arista DCS-7280QR-C36-F is a high-capacity, low-latency switch designed for data center and high-performance computing environments. It features a versatile combination of 24x40GbE QSFP+ and 12x100GbE QSFP ports, providing a flexible platform for high-speed networking. This switch supports a maximum of 36 40GbE ports, 48 25GbE ports, and an impressive 144 10GbE ports through breakout cables. Its throughput capability reaches 4.32 Tbps, with the ability to process 1.44 billion packets per second, ensuring efficient data flow across networks. The switch's latency starts from 3.8 microseconds, highlighting its suitability for applications requiring rapid data transmission. At the core of the Arista DCS-7280QR-C36-F is a quad-core x86 CPU, paired with 8 GB of system memory, which can be expanded to 32 GB to meet higher performance demands. It includes 4 GB of flash storage memory for firmware and configuration files. Connectivity options are broad, featuring one USB port for external storage or console management, a 100/1000 management port for network management tasks, and an RS-232 serial port (RJ-45) for traditional console management. For redundancy and reliability, the switch is equipped with two hot-swappable power supplies and four hot-swappable fans, supporting 1+1 and N+1 redundancy, respectively. This design ensures continuous operation and minimal downtime, essential for mission-critical environments. The switch operates efficiently with a typical power draw of 324W and can reach up to 499W under maximum load. It is compatible with both 745W AC and 1900W DC power supplies, accommodating various data center power infrastructures. Physically, the switch measures 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3 cm) and weighs 21 lbs (9.7 kg), making it suitable for standard rack mounting in data centers. The design features front to rear air cooling, optimizing airflow and cooling efficiency across the device. Key hardware specifications include: -
  • Throughput: 4.32 Tbps
  • Latency: From 3.8 microseconds
  • Size: 19 x 1.75 x 20.6 inches
In summary, the Arista DCS-7280QR-C36-F switch is tailored for environments demanding high bandwidth, low latency, and flexibility in network port configurations. Its advanced features and hardware specifications make it a powerful component in any data center or high-performance computing network infrastructure, offering scalability, reliability, and high-speed data transfer capabilities.

Specifications

Part Number & Manufacturer Arista DCS-7280QR-C36-F
Port Configuration 24x40GbE QSFP+, 12x100GbE QSFP
Airflow Direction Front-to-Rear
Power Supply Units 2xAC
Power Cords 2xC13-C14
Maximum 40GbE Ports 36
Maximum 25GbE Ports 48
Maximum 10GbE Ports 144
Full-Duplex Throughput 4.32 Terabits per second
Packets per Second Rate 1.44 Billion
Network Latency As low as 3.8 microseconds
Processor Quad-Core x86
Memory Capacity 8 GB standard, expandable to 32 GB
USB Interfaces 1
Storage for Configuration 4 GB Flash
Management Interface 1x100/1000 Base-T
Console Port 1xRS-232 (RJ-45)
Redundant Power Modules 2 (1+1 Configuration)
Fan Modules 4 (N+1 Configuration)
Chassis Dimensions 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3 cm)
Power Consumption Typical 324W, Maximum 499W
Unit Weight 21 pounds (9.7 kg)
Available Power Supply Ratings 745W AC, 1900W DC

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