DCS-7812R3-FM, Arista 7800R3 Switch, 12-slot chassis/Front-to-rear airflow/No PSU

  • Brand: Arista
  • Model: DCS-7812R3-FM
  • 100% Genuine
    100% Genuine
    Original, factory-verified
    3-Year Warranty
    3-Year Warranty
    Extended, enterprise-grade
    Years Expertise
    24 Years Expertise
    Proven, deployment-focused
  • Condition
    • Original New
    expert
    Certified Expertise Builds Trust
    CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert
    • Faster Delivery, Globally Ready

      Faster Delivery, Globally Ready

      20+ years of supply chain expertise for faster multi-stop delivery with smooth customs.

      48H Worldwide Shipping
      10+ Global Warehouses
    • Keep Projects On Time

      Keep Projects On Time

      Reliable availability and real-time shipment visibility to keep every critical IT project on schedule.

    • Leading Global Distributor Since 2002

      Leading Global Distributor
      Since 2002

      A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

        21500+ Enterprise Clients Served200+ Countries & Regions Covered
    • Worry-Free Coverage with RSCare

      Worry-Free Coverage with RSCare

      3-Year warranty for enterprise hardware, including advanced RMA, diagnostics, spare parts support, and OEM service compatibility.

      Cisco SmartNet
      HPE Foundation Care
      Dell ProSupport
      Juniper Care
      Fortinet Support
    • Your Trusted Genuine Source

      Your Trusted Genuine Source

      Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.

      100% Authentic Products
      100,000+ Multi-Brand SKUs Available
    Overview

    Arista DCS-7812R3-FM Overview

    The Arista DCS-7812R3-FM is a leading-edge member of the Arista 7800R3 series, offering unparalleled scalability, performance, and serviceability for modern data centers and cloud networks. This model provides advanced features and robust architecture to meet the high-performance demands of today's networking environments. Explore the Arista DCS-7812R3-FM for optimal network operation and management.

    Quick Spec

    Brand Arista
    Model DCS-7812R3-FM
    Product Series 7800R3
    Performance 48 Tbps
    Port Density 432 x 400GbE

    Product Features

    • ● High-density 400GbE ports
    • ● Energy-efficient design
    • ● Advanced traffic management
    • ● Scalable architecture
    • ● Seamless integration with Arista EOS

    Product Applications

    • ● Data Center Interconnects (DCI)
    • ● High-Performance Computing (HPC)
    • ● Cloud Networking

    Supported Options

    Accessory Model
    Power Supply Unit DCS-7500R3-PS1
    Fan Module DCS-7500R3-FM
    Line Card DCS-7816-LC

    Compare to Similar Items

    Model Difference
    DCS-7512R Lower port density and performance
    DCS-7800 Previous generation architecture
    DCS-7884R Higher port count but similar features

    Get more information

    Check "Arista DCS-7812R3-FM price and DCS-7812R3-FM datasheet, buy Arista DCS-7812R3-FM 7800R3 with best price and fast shipping. Free Live Chat are supported." For further information about the product and its price, contact us through Live Chat or at [email protected].

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Arista DCS-7812R3-FM Specification

    DCS-7812R3-FM Specifications

    Brand Arista
    Model DCS-7812R3-FM
    Series 7800R3
    Form Factor Modular
    Ports 12 x 100GbE QSFP
    Power Supply Redundant, hot-swappable
    Cooling Front-to-back airflow
    Management CLI, GUI, SNMP
    Operating System Arista EOS
    Switching Capacity 50 Tbps
    Forwarding Rate 38 Bpps
    Latency Sub-microsecond
    Max Power Consumption 2,200W
    Operating Temperature 0°C to 40°C
    Storage Temperature -40°C to 70°C
    Relative Humidity 5% to 95% non-condensing
    Rack Units 18RU
    Max VLANs 4,096
    Buffer Memory 16GB
    MAC Address Table Size 768K
    Jumbo Frames Up to 9,216 bytes

    Quality Certifications

    Need Help? Technical Experts Available Now.

    • +1-626-655-0998 (USA)
      UTC 15:00-00:00
    • +852-2592-5389 (HK)
      UTC 00:00-09:00
    • +852-2592-5411 (HK)
      UTC 06:00-15:00
    Need Help? Technical Experts Available Now.
    Q&A

    Questions & Answers

    What accessories are available for the Arista 7800R3?

    Accessories for the Arista 7800R3 include transceivers, power supplies, and rack-mount kits. Ensure compatibility with the specific model before purchase.

    How does the Arista 7800R3 compare to other Arista switches?

    The Arista 7800R3 series offers superior scalability and performance compared to other Arista switches, making it suitable for large-scale deployments and high-performance data centers.

    What is the power consumption of the Arista 7800R3 switch?

    The Arista 7800R3 switch is designed for energy efficiency, with a power consumption that supports high-density environments without significantly raising operational costs. Consult the product datasheet for specific power ratings.

    Is router-switch.com a reliable distributor?

    Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

    Warranty
    • Your Trusted Global ICT Partner

      Delivering reliable, cross-border fulfillment with 20+ years of expertise, backed by rigorous QC, fast logistics, and worldwide warehousing.
      Global warehousing
      Global warehousing
      10+ hubs positioned for fast international dispatch and stable availability.
      Seamless cross-border
      Seamless cross-border
      QC-verified packing and predictable delivery via FedEx, DHL, UPS.
      Your Trusted Global ICT Partner
    • ICT Tools Hub for Confident Monitoring

      ICT Tools Hub for Confident Monitoring

      Stay informed on product lifecycle status and real-time inventory availability—supporting confident planning, sourcing, and operational execution.
      EOL/EOSL Checker
      Verify product lifecycle status to plan purchases and avoid EOL/EOSL risks.
      Request VIP Inventory Portal Access
      Connect via live chat for VIP access to real-time inventory on priority SKUs.
    • Certified Experts Across Leading Vendors

      Professional guidance for network, security & data center builds, delivered by certified experts with extensive, hands-on deployment experience.
      Multi-vendor engineering
      Multi-vendor engineering
      Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
      Deployment-ready guidance
      Deployment-ready guidance
      Faster, safer rollouts with project-focused engineering guidance.
      Certified Experts Across Leading Vendors

    The Choice of 21,500 +Global Customers

    • Ford
    • Disney
    • Nestle
    • Toyota
    • Walmart
    • Philips
    • Ups
    • Huatt
    • Hsbc
    • Novartis
    • Siemens Healthineers
    • Bt
    • Reference Johnson
    • T
    • Att
    • Lgu
    • Sk Telecom
    • Veerizon
    Industry-Leading Warranty Coverage You Can Trust
    • 100% Low Price Guarantee
      100% Low Price Guarantee
      Router-switch.com offers genuine, high-quality ICT products at competitive wholesale prices—ensuring exceptional value without compromising quality.
    • 100% Quality Assurance
      100% Quality Assurance
      All items are brand new, original, and factory-sealed.
      Upon request, each unit can be fully tested and verified by a Arista-certified engineer to ensure perfect working condition before shipment.
    • 100% Money-Back Guarantee
      100% Money-Back Guarantee
      If you are not satisfied with your purchase, you may request an exchange or full refund. Our customer service team will guide you through the return process quickly and smoothly.
      Visit Return Policy page for more information.
    • Free Arista Technical Support
      Our Arista-certified experts provide free professional support via phone, email, online chat, or remote login—helping you deploy and troubleshoot with confidence.
    • Flexible & Secure Payment and Shipping
      Flexible & Secure Payment and Shipping
      We support multiple secure payment and logistics options, backed by industry-leading verification:
      • Pay by wire transfer.
      • Pay with your paypal.
      • Pay with your Visa credit card.
      • Pay with your Mastercard credit card.
      • Pay with your Discover Card.
      • Pay by American Express.
      More
      • mcafee-secure
      • verisign-secured
      • pci-dss
      • ssl-encryption
      Visit How to Pay page for more information
    Warranty Coverage & RMA Instructions
    • Extended, Worry-Free Warranty Coverage
      Extended, Worry-Free Warranty Coverage
      • Factory New Sealed Enterprise Hardware: 3 Years
      • Factory New Sealed Consumer Devices: 1 Year
      Visit Warranty Policy page for more information
    • How to Get Support
      How to Get Support
      If you encounter issues with products, please reach out to your dedicated sales representative. They will assist with diagnostics, remote troubleshooting, and RMA processing if necessary.
      Visit Contact Us page for more support options.

    Best-Fit Solutions for Your Network

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Deploy DeepSeek-V3/R1: Powerful AI, Low Cost

    Expert-configured AI solution: Same power, 90% savings—multi-scenario flexibility with Dell/Huawei/Lenovo options.

    AI
    Beyond Bandwidth: The 100G+ Data Center Architecture

    Beyond Bandwidth: The 100G+ Data Center Architecture

    The must-have 100G foundation - AI-ready growth, zero-latency performance

    Data Center
    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    400G/800G Ethernet Switch: Maxmize Margins via AI-Ready Solutions

    High-Profit data center switches from Cisco, Huawei, Mellanox & Juniper.

    Ethernet Switch