Arista DCS-7280CR3-32P4-M-FLX-R | 7280R3 32-Port 100G Switch, 4x 400G OSFP, FLX, -M, -R

SKU:DCS-7280CR3-32P4-M-FLX-R

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Description

The Arista 7280R3 is a 1RU fixed data centre switch router built for cloud, content delivery, service provider, IP storage and leaf/spine networks that need deep buffers and Internet-scale routing tables. It sits in Arista's universal 7280R3 family and runs Arista EOS.

This model provides 32 x 100GbE QSFP100 ports and 4 x 400GbE OSFP ports, with 4.8 Tbps (9.6 Tbps FDX) throughput, 2 Bpps packet forwarding and latency from 3.8 us. It carries an 8 GB packet buffer and the expanded-memory (-M) configuration with 64 GB of system memory. Airflow is rear-to-front (-R), and the FLX licence tier is bundled, covering full routing, EVPN, VXLAN, segment routing and advanced MPLS. The chassis uses two hot-swap PWR-1011 power supplies in a 1+1 arrangement and three hot-swap fans (N+1), with a typical draw of 535 W.

It uses fan tray FAN-7011H and requires EOS 4.22.1 or later. The 100G ports accept QSFP100 optics, as well as 40G QSFP+ and breakout optics, and the four OSFP ports accept 400G optics.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- FlexRoute engine supports the full Internet routing table in hardware, with headroom for more than 1.4 million routes
- Deep-buffer architecture (8 GB) for mixed real-time, multicast and storage traffic
- EVPN/VXLAN overlay support, plus MPLS segment routing and L2/L3 VPN
- Up to 512-way ECMP and MLAG support
- Accelerated sFlow, PTP, DANZ and multi-port mirroring for visibility
- Hot-swappable redundant power supplies and fans
- Arista EOS with automation and API support

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

- Ports: 32 x 100GbE QSFP100, 4 x 400GbE OSFP
- Throughput: 4.8 Tbps (9.6 Tbps FDX)
- Packet forwarding: 2 Bpps
- Latency: from 3.8 us
- Packet buffer: 8 GB
- System memory: 64 GB (expanded memory -M model)
- CPU: Quad-Core x86
- Flash storage: 8 GB
- SSD storage: 120 GB with 64 GB system memory
- Management: 1 x 100/1000 port, 1 x RS-232 serial (RJ-45), 1 x USB
- Power supplies: 2 x hot-swap PWR-1011 (1+1 redundant)
- Fans: 3 x hot-swap (N+1), FAN-7011H
- Airflow: rear to front (-R)
- Typical / maximum power draw: 535 W / 851 W
- Dimensions (W x H x D): 43.99 x 4.37 x 55.83 cm (1RU)
- Weight: 12.27 kg
- Operating temperature: 0 to 40 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: up to 3,000 m
- Minimum EOS: 4.22.1

FAQs

Q: What licence does this SKU include?
A: The FLX suffix indicates the FLX licence tier is bundled, which covers full routing, EVPN, VXLAN, segment routing and advanced MPLS. The switch runs Arista EOS.

Q: What does the -M in the part number mean?
A: The -M denotes the expanded-memory model, which has 64 GB of system memory and a 120 GB SSD.

Q: What airflow direction does this model use?
A: The -R suffix means rear-to-front airflow. Plan the rack so the rear of the switch faces the cold aisle.

Q: What power supplies and fans does it use?
A: It uses two hot-swap PWR-1011 power supplies in a 1+1 redundant arrangement and three hot-swap FAN-7011H fans in N+1. The PWR-1011 AC supply takes 200-240V AC.

Q: Which optics do the ports accept?
A: The 32 QSFP100 ports accept 100G optics, as well as 40G QSFP+ and breakout optics. The four OSFP ports accept 400G optics.

Q: Which EOS version does it need?
A: The switch requires Arista EOS 4.22.1 or later.