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Arista

Arista DCS-7280CR3K-32D4A-F | 7280R3 32-Port 100G Switch, 4x 400G QSFP-DD, 4.8Tbps

SKU:DCS-7280CR3K-32D4A-F

Stock Status: Enquire

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Description

The Arista DCS-7280CR3K-32D4A-F is a high-performance 1RU data center switch router designed for cloud, content delivery, and spine-leaf architectures. With 32x 100GbE QSFP28 and 4x 400GbE QSFP-DD ports, it delivers 4.8Tbps throughput and 2Bpps packet forwarding with 8GB deep buffering. This model features large routing scale support, front-to-rear airflow, dual hot-swappable AC power supplies, and runs Arista EOS with advanced Layer 2/3 capabilities including FlexRoute engine for Internet-scale routing.

Features

FlexRoute engine with Internet-scale routing support (over 256K routes)
- 8GB dynamic deep buffer with Virtual Output Queueing (VOQ) for lossless forwarding
- Advanced Layer 3 routing: BGP, OSPF, IS-IS, MPLS, Segment Routing
- Network virtualization: VXLAN, EVPN, 512-way ECMP
- Algorithmic ACLs for flexible high-scale access control
- Accelerated sFlow and IPFIX for network telemetry
- Inband Network Telemetry (INT) support
- IEEE 802.1AE MACsec support (on M-series variants)
- Multi-Chassis Link Aggregation (MLAG)
- Comprehensive QoS with priority queuing and traffic shaping
- Arista EOS operating system with modular architecture
- CloudVision integration for network-wide automation
- Zero-Touch Provisioning (ZTP)
- Hot-swappable power supplies and fans (N+1 redundancy)
- 1+1 redundant power supply architecture
- NEBS compliant design
- Advanced monitoring: LANZ, DANZ, AEM
- Standards-based protocols and open APIs (NETCONF, OpenConfig, gNMI)

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

32x 100GbE QSFP28 ports (supports 100G/50G/40G/25G/10G)
- 4x 400GbE QSFP-DD ports (supports 400G/200G/100G)
- Switching capacity: 4.8Tbps (9.6Tbps full duplex)
- Packet forwarding rate: 2 Bpps
- Latency: From 3.8µs
- System memory: 8GB standard (64GB optional)
- Packet buffer memory: 8GB (HBM2)
- Flash storage: 8GB
- SSD storage: 120GB
- CPU: Quad-core x86 (or Eight-core x86 with 64GB RAM)
- Management: 1x 10/100/1000 Mbps, 1x RS-232 console, 1x USB
- Power supplies: Dual hot-swappable 1000W AC (PWR-1011-AC-RED)
- Form factor: 1RU rack-mountable
- Airflow: Front-to-rear (port side to fan side)
- Hot-swappable fans and power supplies

FAQs

Q: What routing scale does the DCS-7280CR3K-32D4A-F support?
A: The 7280CR3K-32D4A supports large routing scale with the FlexRoute engine, capable of handling over 256K routes with support for MPLS and VXLAN. The K-series models are designed for Internet-scale routing with expanded forwarding table resources.

Q: Can this switch be used in a spine-leaf architecture?
A: Yes, the DCS-7280CR3K-32D4A-F is ideal for spine-leaf deployments with its high-density 100G and 400G ports, 8GB of deep buffering for lossless forwarding, and support for both Layer 2 MLAG and Layer 3 ECMP designs.

Q: What is the difference between the -F and -R models?
A: The -F suffix indicates front-to-rear airflow (air flows from the port side to the fan side), while the -R suffix indicates rear-to-front airflow. Choose the airflow direction that matches your data center hot-aisle/cold-aisle design.

Q: Does this switch support network virtualization?
A: Yes, the DCS-7280CR3K-32D4A-F supports advanced network virtualization including VXLAN routing and bridging, EVPN, Segment Routing, and MPLS with flexible forwarding profiles optimized for various use cases.

Q: What optics and cables are compatible with this switch?
A: The switch supports a wide range of 1G, 10G, 25G, 50G, 100G, 200G, and 400G pluggable optics in QSFP and QSFP-DD formats, including breakout configurations. Refer to Arista's transceiver compatibility guide for specific module support.

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