Arista DCS-7280CR-48-DC-F | 7280R 48-Port 100G Switch, 8x 40G, 2x DC, Front-to-Rear

SKU:DCS-7280CR-48-DC-F

Stock Status: Enquire

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Description

The Arista 7280R series 7280CR-48 is a 2RU fixed data centre switch router built for large-scale layer 2 and layer 3 cloud designs, leaf-spine and overlay networks, internet peering, interconnect and service provider deployments. The DC power supplies and NEBS design also suit telco and DC-powered facilities.

It provides 48 QSFP100 ports and 8 QSFP+ ports, with 10.24 Tbps of full-duplex throughput, 5.76 Bpps forwarding and a 32 GB packet buffer. Latency starts from 3.8 us. This SKU has two 1900W DC hot-swap power supplies in a 1+1 redundant arrangement and front-to-rear airflow. Typical power draw is 1363W, with a maximum of 1710W. It runs Arista EOS and is listed under EOS Feature License Group 4, with a minimum of EOS 4.17.1.

The 100G ports accept 100GBASE-SR4, LR4, CWDM4, PSM4, CR4 and AOC options, and also support 4x10G and 4x25G breakout modes. The 40G ports accept 40GBASE-SR4, LR4, CR4 and AOC options. The matching fan tray is FAN-7002H-F.

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

Features

- Wire-speed layer 2 and layer 3 forwarding with up to 128-way ECMP
- Deep packet buffers with Virtual Output Queues per port to avoid head-of-line blocking
- QSFP100 ports support 10G, 25G, 40G, 50G and 100G speeds
- 768K MAC addresses and 768K IPv4/IPv6 host routes
- VXLAN gateway, bridging and routing, plus MLAG
- CloudVision, Zero Touch Provisioning, LANZ microburst detection and DANZ mirroring
- Hardware-based IEEE 1588 PTP timing and sFlow
- Arista EOS with Linux shell access and programmability including Python and OpenConfig
- NEBS designed with redundant hot-swap power supplies and fans

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: 48 x QSFP100 and 8 x QSFP+
- Maximum 100GbE ports: 48
- Maximum 50GbE ports: 96
- Maximum 40GbE ports: 56
- Maximum 25GbE ports: 192
- Maximum 10GbE ports: 224
- Throughput (full duplex): 10.24 Tbps
- Forwarding rate: 5.76 Bpps
- Latency: from 3.8 us
- Packet buffer: 32 GB
- System memory: 16 GB
- Flash storage: 4 GB
- CPU: multi-core x86
- Management ports: 1 x 100/1000, 1 x RS-232 serial (RJ-45), 1 x USB
- Power supplies: 2 x 1900W DC (PWR-1900-DC), 1+1 redundant, hot-swappable
- Power supply input: 40-72 VDC, 44A max at -48V
- Typical / maximum power draw: 1363W / 1710W
- Fans: 4 hot-swappable, N+1 redundant (FAN-7002H-F)
- Airflow: front-to-rear
- Form factor: 2RU, tool-less rails
- Dimensions (WxHxD): 48.3 x 8.9 x 56.3 cm
- Weight: 21.2 kg
- Operating temperature: 0 to 40 C
- Humidity: 5 to 95%
- EOS Feature Licence Group 4, minimum EOS 4.17.1

FAQs

Q: What power does this switch use?
A: This SKU has two 1900W DC hot-swap power supplies (PWR-1900-DC) in a 1+1 redundant arrangement. They accept 40-72 VDC input at up to 44A at -48V. Typical draw is 1363W and maximum is 1710W.

Q: Which airflow direction does this model have?
A: It is a front-to-rear airflow model. The airflow direction is not reversible, and the matching fan tray is FAN-7002H-F.

Q: What optics can I use in the 100G and 40G ports?
A: The 100G QSFP100 ports take 100GBASE-SR4, LR4, CWDM4, PSM4, CR4 and AOC options, and support 4x10G and 4x25G breakout modes. The 40G QSFP+ ports take 40GBASE-SR4, LR4, CR4 and AOC options.

Q: Which software does it run and what is the minimum version?
A: It runs Arista EOS and is listed under EOS Feature License Group 4. The minimum supported release is EOS 4.17.1.

Q: How does this SKU differ from other 7280CR-48 variants?
A: This SKU is defined by its two DC power supplies and front-to-rear airflow. The 48 x 100G and 8 x 40G port layout is the same across the 7280CR-48 family.