Arista DCS-7280QR-C36-M-F | 7280R 24x 40G QSFP+ Switch, 12x 100G, SSD, 2x AC

SKU:DCS-7280QR-C36-M-F

Stock Status: Enquire

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Description

The Arista 7280R is a fixed-configuration 1RU data centre switch router with deep packet buffers and large routing tables. It runs Arista EOS and suits large-scale layer 2 and layer 3 cloud designs, overlay networks, internet peering, inter-DC networking and service provider environments.

This -M variant has 24 x 40GbE QSFP+ ports and 12 x 100GbE QSFP100 ports, 36 QSFP in total. Ports support flexible modes up to 12x100GbE, 36x40GbE, 24x50GbE, 48x25GbE or 144x10GbE. It delivers 4.32 Tbps of full-duplex throughput at 1.44 Bpps, with latency from 3.8 us and 8 GB of packet buffer memory. This SKU adds expanded system memory and an SSD, uses front-to-rear airflow and has two hot-swap AC power supplies in a 1+1 arrangement, with typical draw of 324 W and a maximum of 499 W.

The QSFP+ ports support 40GBASE-SR4, XSR4, LR4, ER4, UNIV, SRBD, PLR4, CR4 and AOC, plus 4x10G breakout. The QSFP100 ports support 100GBASE-SR4, XSR4, SWDM4, SRBD, LR, LR4, CWDM4, FR, DR, PSM4, ERL4, CR4 and AOC, as well as 25G and 50G modes.

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

Features

- Runs Arista EOS, a single-binary, Linux-based modular network OS
- Virtual Output Queues on every port to avoid head-of-line blocking
- Deep packet buffers and large routing tables for internet peering and inter-DC networking
- VXLAN gateway support for virtualised data centres
- LANZ microburst and congestion detection, plus DANZ advanced mirroring and TAP aggregation
- CloudVision automation, Zero Touch Provisioning, Advanced Event Management and VM Tracer
- IEEE 1588 PTP precision timing
- Redundant hot-swap power supplies and fans, designed for NEBS with tool-less rails

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: 36 x QSFP (24 x 40GbE QSFP+ and 12 x 100GbE QSFP100)
- Max 100GbE ports: 12
- Max 50GbE ports: 24
- Max 40GbE ports: 36
- Max 25GbE ports: 48
- Max 10GbE ports: 144
- Throughput (full duplex): 4.32 Tbps
- Packets per second: 1.44 Bpps
- Latency: from 3.8 us
- CPU: Quad-core x86
- System memory: 8 GB
- Packet buffer memory: 8 GB
- Flash storage: 4 GB
- SSD storage: included in this -M SKU
- Management port: 1 x 100/1000
- Serial port: 1 x RS-232 (RJ-45)
- USB ports: 1
- Power supplies: 2 x 745W AC, hot-swap, 1+1 redundant
- Fans: 4 hot-swap, N+1 redundant (FAN-7000-F/R)
- Airflow: front-to-rear
- Typical / maximum power draw: 324 W / 499 W
- Size (W x H x D): 48.3 x 4.4 x 52.3 cm
- Weight: 9.7 kg
- Rack units: 1 RU
- MAC addresses: 768K
- IPv4 and IPv6 unicast host routes: 768K each
- IPv4 unicast LPM routes: over 1M
- IPv6 unicast LPM routes: 928K
- ACL entries per forwarding engine: 24K
- Operating temperature: 0 to 40 C
- Minimum EOS: 4.17.1

FAQs

Q: What does the -M variant add over the standard 7280QR-C36?
A: The -M variant adds expanded system memory and a built-in SSD, which can be used for logging, data captures and running user applications in a VM.

Q: Which optics and cables work in the QSFP+ and QSFP100 ports?
A: The QSFP+ ports support 40GBASE-SR4, XSR4, LR4, ER4, UNIV, SRBD, PLR4, CR4 and AOC, plus 4x10G breakout. The QSFP100 ports support 100GBASE-SR4, XSR4, SWDM4, SRBD, LR, LR4, CWDM4, FR, DR, PSM4, ERL4, CR4 and AOC, and also run in 25G and 50G modes.

Q: What power supplies does this switch use?
A: It uses two hot-swap 745W AC supplies (PWR-745AC) in a 1+1 redundant arrangement, with an IEC C14 inlet and 100-240V AC input. Typical draw is 324 W and maximum is 499 W.

Q: Which airflow direction does this SKU use?
A: This SKU is front-to-rear airflow, using the FAN-7000-F/R fan tray with four hot-swap fans in an N+1 arrangement.

Q: What software does it run and is there a minimum EOS version?
A: It runs Arista EOS, with a minimum version of 4.17.1 and EOS Feature License Group 2 listed for the 7280QR-C36.