Arista DCS-7280DR3-24-M | 7280R3 24-Port 400G QSFP-DD Switch, 64GB Memory

SKU:DCS-7280DR3-24-M

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Description

The Arista 7280R3 is a 1RU fixed-configuration deep-buffer data centre switch router built for large-scale leaf and spine roles, internet peering, carrier edge VPN services, DCI, 5G/MEC and metro transport. It suits high-density 400G aggregation where deep buffers and large routing tables are needed.

This DCS-7280DR3-24-M model provides 24 wire-speed 400G QSFP-DD ports, or up to 96 x 100G with breakout, delivering 9.6 Tbps throughput (19.2 Tbps full duplex) and up to 4 Bpps forwarding with latency from 3.8 us. It has 16 GB of packet buffer and the expanded-memory configuration with 64 GB of system memory, backed by a 120 GB SSD and a quad-core x86 CPU. It uses configurable fans and power supplies in a 1+1 PSU and N+1 fan hot-swap design with front-to-rear airflow, drawing 650 W typical and 1100 W maximum. It runs Arista EOS with EOS Feature License Group 4.

The QSFP-DD ports accept 400GBASE-CR8 copper, AOC, SR8, DR4, XDR4, FR4, LR4, PLR4 and ZR optics, with 200G, 100G, 50G, 40G, 25G and 10G breakout options depending on the transceiver or cable. Spare FAN-7011H-F fans and PWR-1511 power supplies are the matching Arista parts.

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

Features

- Wire-speed Layer 2 and Layer 3 forwarding on all 24 x 400G ports with 16 GB deep buffers
- Arista EOS with a single binary image, self-healing, stateful fault repair and in-service software updates
- Full Linux shell access with bash, python and C++ extensibility
- Cloud-grade routing including internet peering, carrier edge VPN, EVPN, LDP, RSVP-TE and SR-TE transport with FRR and TI-LFA
- PTP and SyncE timing support
- FlexRoute for expanded IPv4 and IPv6 route scale, plus accelerated sFlow
- LANZ, DANZ, Zero Touch Provisioning, eAPI and CloudVision integration for monitoring and telemetry
- VXLAN and EVPN network virtualisation with MLAG and ECMP
- MACsec support
- Hot-swap platinum-efficiency PSUs and N+1 fans in a front-to-rear airflow design

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: 24 x 400G QSFP-DD
- Maximum 100G ports: 96 (with breakout)
- Maximum 50G ports: 192
- Maximum 40G ports (using QSFP+): 24
- Maximum 25/10G ports: 192
- Throughput: 9.6 Tbps (19.2 Tbps full duplex)
- Forwarding rate: 4 Bpps
- Latency: from 3.8 us
- CPU: quad-core x86
- System memory: 64 GB (expanded memory model)
- Packet buffer memory: 16 GB
- Flash storage: 8 GB
- SSD storage: 120 GB with 64 GB system memory
- Management port: 1 x 100/1000
- Serial console: 1 x RS-232 (RJ-45)
- USB ports: 1
- Power supplies: 2 hot-swap, 1+1 redundant (PWR-1511, AC or DC)
- Fans: 3 hot-swap, N+1 redundant (FAN-7011H)
- Airflow: front to rear
- Power draw: 650 W typical, 1100 W maximum
- Form factor: 1RU
- Dimensions (W x H x D): 43.99 x 4.37 x 57.4 cm
- Weight: 12.7 kg
- Operating temperature: 0 to 40 C
- Minimum EOS version: 4.22.2

FAQs

Q: What is the difference between the -M model and the standard 7280DR3-24?
A: The -M model is the expanded-memory variant with 64 GB of system memory, where the standard model has 8 GB. It also includes a 120 GB SSD for logging and data captures.

Q: Which software and licence does this switch use?
A: It runs Arista EOS and is listed under EOS Feature License Group 4. The minimum supported EOS release is 4.22.2.

Q: Which power supplies and fans does it use?
A: It takes two hot-swap PWR-1511 power supplies in a 1+1 arrangement, available in AC or DC, and three hot-swap FAN-7011H fans in an N+1 arrangement. Airflow is front to rear.

Q: Which optics and cables work with the QSFP-DD ports?
A: The ports support 400GBASE-CR8 copper, AOC, SR8, DR4, XDR4, FR4, LR4, PLR4 and ZR options. Breakout to 200G, 100G, 50G, 40G, 25G and 10G is available depending on the transceiver or cable used.

Q: How many 100G ports can I get with breakout?
A: Up to 96 x 100G ports, or up to 192 x 50G and 192 x 25/10G ports, using breakout cables or optics.