How cost-effective is the Arista 7280R3A?

The Arista 7280R3A offers high performance and value, balancing cost with cutting-edge features and scalability.

What are the key features of the Arista 7280R3A?

The Arista 7280R3A features include 24 100G QSFP ports, 12 400G QSFP-DD ports, and advanced traffic management.

What are the main application scenarios for the Arista 7280R3A?

It's ideal for data centers, cloud networks, and high-performance computing environments.

How do I install the Arista 7280R3A?

Installation involves mounting the switch in a rack, connecting power, and configuring initial settings via console access.

Does the Arista 7280R3A need frequent upgrades?

Regular firmware updates are recommended to ensure optimal performance and security.

Are there alternative products to the Arista 7280R3A?

Alternatives include other switches in the Arista 7280R Series or comparable models from Cisco.

What common troubleshooting steps should I follow?

Check physical connections, ensure proper power supply, and verify configuration settings in the Arista 7280R3A.

Skip to the end of the images gallery

Skip to the beginning of the images gallery

DCS-7280CR3AK-24D12-S-R, Arista 7280R3A Switch, 24x400G QSFP-DD/12x100G QSFP28/Deep Buffer

Brand: Arista
Model: DCS-7280CR3AK-24D12-S-R

11 Questions

100% Genuine

Original, factory-verified

3-Year Warranty

Extended, enterprise-grade

24 Years Expertise

Proven, deployment-focused

Condition

Original New

Certified Expertise Builds Trust

CCIE · JNCIE · NSE7 · ACDX · HPE Master ASE · Dell Server/AI Expert

Talk to an Expert

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

Leading Global Distributor
Since 2002
A global ICT bridge delivering authentic hardware and trusted service for over 20 years.

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
Authorized partnerships with 30+ brands, including Cisco, HPE, Dell, Juniper, and Fortinet.
100% Authentic Products
100,000+ Multi-Brand SKUs Available

DCS-7280CR3AK-24D12-S-R, Arista 7280R3A Switch, 24x400G QSFP-DD/12x100G QSFP28/Deep Buffer

100% Genuine Ready to Ship

Overview

Arista DCS-7280CR3AK-24D12-S-R Overview

The Arista DCS-7280CR3AK-24D12-S-R, part of the advanced 7280R3A series, is a high-performance networking switch designed for modern data centers. It offers exceptional scalability, speed, and features, ensuring optimal configuration and performance across all networking environments. Its robust architecture makes it a suitable choice for a variety of demanding applications.

Quick Spec

Product Series	Arista 7280R3A
Switching Capacity	Up to 12.8 Tbps
Port Density	24 x 100GbE
Latency	Sub-microsecond
Forwarding Rate	Up to 4.8 Bpps

Product Features

● High-density 24 x 100GbE ports
● Advanced traffic management and load balancing
● Comprehensive IPv4/IPv6 support
● Integrated security features
● Energy-efficient architecture and design

Product Applications

● Data center core and spine
● High-frequency trading environments
● Cloud and virtualization infrastructure

Supported Options

Accessory	Model
Optical Transceiver	QSFP-100G-SR4
Mounting Kit	RACK-MNT-19
Cable	CAB-QSFP-4SFP10G-5M

Compare to Similar Items

Model	Differences from Arista DCS-7280CR3AK-24D12-S-R
Arista DCS-7260CX-64	64 x 100GbE ports, higher port density
Arista DCS-7050SX3-96YC8	Less capacity and port density, more energy-efficient
Cisco Nexus 93180YC-EX	Different vendor, up to 48 x 10/25GbE + 6 x 100GbE ports

Get more information

For further details about the Arista DCS-7280CR3AK-24D12-S-R, including pricing and datasheet, contact us via Live Chat or at [email protected]. Check "Arista DCS-7280CR3AK-24D12-S-R price" and "DCS-7280CR3AK-24D12-S-R datasheet", buy "Arista DCS-7280CR3AK-24D12-S-R 7280R3A" with the best price and fast shipping. Free Live Chat is supported.

Quality Certifications

Specification

Arista DCS-7280CR3AK-24D12-S-R Specification

DCS-7280CR3AK-24D12-S-R Specifications
Brand	Arista
Model	7280R3A
Product Type	Data Center Switch
Port Configuration	24 x 400GbE QSFP-DD
Supported Protocols	BGP, OSPF, EIGRP, VRRP, RIP
Layer	Layer 2 and Layer 3
Throughput	9.6 Tbps
Switching Capacity	19.2 Tbps
Latency	Sub-microsecond
Power Supply	Dual Variable Power Supply
AC or DC	AC
Power Consumption	Variable, 800W Typical
Cooling	Front-to-Back Airflow
Rack Units	1 RU
Dimensions (HxWxD)	1.75 x 19 x 24 inches
Operating Temperature	0°C to 40°C
Storage Temperature	-40°C to 70°C
Relative Humidity	5% to 95% (Non-condensing)
Software	Arista Extensible Operating System (EOS)
Management	CloudVision, CLI, REST API, SNMP
Warranty	Limited Lifetime

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

Get a Quote

Live Chat

Need Help? Technical Experts Available Now.

Customer Reviews

Write Your Own Review

Only registered users can write reviews. Please Sign in or create an account

Q&A

Questions & Answers

What accessories are available for the Arista 7280R3A?

Accessories include additional QSFP optics, power supply units, fan modules, and rack mounting kits.

How does the Arista 7280R3A compare to other Arista switches?

The Arista 7280R3A offers higher port density and performance features compared to earlier 7280R models.

Can the Arista 7280R3A be used in a high-density environment?

Yes, with its 400G and 100G ports, the Arista 7280R3A is designed for high-density and high-performance environments.

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.

Learn More

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
10+ hubs positioned for fast international dispatch and stable availability.
Seamless cross-border
QC-verified packing and predictable delivery via FedEx, DHL, UPS.
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
Certified expertise across Cisco, HPE, Aruba, Dell, Juniper, Huawei and Fortinet.
Deployment-ready guidance
Faster, safer rollouts with project-focused engineering guidance.

The Choice of 21,500 +Global Customers

Industry-Leading Warranty Coverage You Can Trust

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
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
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
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
Trusted & Secure Payments ×
100% Trusted, Secure Purchase at Router-switch.com
120+ Local Currencies

Multiple Payment Options

100% Secure Payments
Choose the payment method that works for you—local options, multiple currencies, or bank transfers. Every payment is protected by SSL encryption, PCI DSS-level security, McAfee Secure, and VeriSign Secured for complete peace of mind.

Guaranteed Safe Checkout

View Payment Options
Visit How to Pay page for more information

Warranty Coverage & RMA Instructions

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
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

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

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

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

Ethernet Switch

DCS-7280CR3AK-24D12-S-R, Arista 7280R3A Switch, 24x400G QSFP-DD/12x100G QSFP28/Deep Buffer

Faster Delivery, Globally Ready

Keep Projects On Time

Leading Global Distributor Since 2002

Worry-Free Coverage with RSCare

Your Trusted Genuine Source

DCS-7280CR3AK-24D12-S-R, Arista 7280R3A Switch, 24x400G QSFP-DD/12x100G QSFP28/Deep Buffer

Arista DCS-7280CR3AK-24D12-S-R Overview

Quick Spec

Product Features

Product Applications

Supported Options

Compare to Similar Items

Get more information

Quality Certifications

Arista DCS-7280CR3AK-24D12-S-R Specification

DCS-7280CR3AK-24D12-S-R Specifications

Quality Certifications

Need Help? Technical Experts Available Now.

Questions & Answers

What accessories are available for the Arista 7280R3A?

How does the Arista 7280R3A compare to other Arista switches?

Can the Arista 7280R3A be used in a high-density environment?

Is router-switch.com a reliable distributor?

How cost-effective is the Arista 7280R3A?

What are the key features of the Arista 7280R3A?

What are the main application scenarios for the Arista 7280R3A?

How do I install the Arista 7280R3A?

Does the Arista 7280R3A need frequent upgrades?

Are there alternative products to the Arista 7280R3A?

What common troubleshooting steps should I follow?

What accessories are available for the Arista 7280R3A?

How does the Arista 7280R3A compare to other Arista switches?

Can the Arista 7280R3A be used in a high-density environment?

Is router-switch.com a reliable distributor?

Your Trusted Global ICT Partner

ICT Tools Hub for Confident Monitoring

Certified Experts Across Leading Vendors

The Choice of 21,500 +Global Customers

Best-Fit Solutions for Your Network

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

Beyond Bandwidth: The 100G+ Data Center Architecture

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

Leading Global Distributor
Since 2002