• Arista DCS-7020SR-32C2-R silver server rack for data storage
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Arista

Arista DCS-7020SR-32C2-R | 7020R 32-Port 10G SFP+ Switch, 2x 100G, Rear-to-Front

DCS-7020SR-32C2-R

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Description

The Arista 7020SR-32C2 from the 7020R Series is a 1RU fixed data centre switch built as a server-edge or top-of-rack leaf. It suits 1G/10G server connectivity with 100G uplinks, high-performance storage networks, hyper-converged racks and edge routing in leaf-spine designs. This -R variant uses rear-to-front airflow with AC power.

The switch provides 32 SFP+ ports that each run at 1GbE or 10GbE, plus 2 QSFP100 uplink ports. Throughput reaches 1.04 Tbps and forwarding reaches 300 Mpps, backed by a 3GB deep packet buffer and a Virtual Output Queue architecture that avoids head-of-line blocking. It runs Arista EOS with wire-speed Layer 2 and Layer 3 forwarding, up to 256K MAC entries and up to 200K IPv4/IPv6 routes. Typical power draw is 160 W with a 189 W maximum, and it is non-PoE.

The SFP+ ports accept 1G/10G optics and cables, and the QSFP100 ports accept 40G and 100G transceivers and cables. Power supplies are hot-swappable 1+1 AC units, and fan modules must match the rear-to-front airflow direction.

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

Features

- Virtual Output Queue architecture eliminates head-of-line blocking
- Deep 3GB shared packet buffer for bursty workloads
- Each SFP+ port supports 1GbE and 10GbE modes with no restrictions
- 1+1 hot-swappable power supplies and N+1 hot-swappable fans
- Rear-to-front airflow for hot-aisle and cold-aisle rack layouts
- Arista EOS with Zero Touch Provisioning, CloudVision, LANZ and VMTracer
- Accelerated sFlow supported
- Tool-less rails with 2-post and 4-post mounting

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 1/10GbE SFP+ and 2 x 100GbE QSFP100
- Maximum 25GbE ports: 8
- Maximum 40GbE ports: 2
- Maximum 100GbE ports: 2
- Throughput: 1.04 Tbps
- Forwarding rate: 300 Mpps
- Latency: from 3.8 us
- Packet buffer: 3GB
- MAC entries: up to 256K
- IPv4/IPv6 routes: up to 200K
- IPv4/IPv6 host routes: up to 80K
- ECMP: 128-way
- MLAG: 64-port
- CPU: multi-core x86
- DRAM: 8GB
- Flash: 4GB minimum
- Power draw (typical / maximum): 160 W / 189 W
- AC power input (PWR-400AC): 100-240 VAC, 4.5 A max, 50/60 Hz
- Dimensions (W x H x D): 48.3 x 4.4 x 34.7 cm
- Weight: 6.4 kg
- Operating temperature: 0 to 40 C
- Storage temperature: -25 to 70 C
- Operating altitude: 0 to 3,000 m
- Relative humidity: 5 to 90% non-condensing
- Management: 100/1000 management port, RS-232 serial console, USB port

FAQs

Q: Does this switch need a software licence?
A: It runs Arista EOS, and the default image includes a broad Layer 2 feature set. Advanced features are enabled with optional EOS software licences.

Q: What power supplies does it use?
A: It uses hot-swappable 1+1 AC power supplies, model PWR-400AC, rated 100-240 VAC. Typical draw is 160 W and maximum draw is 189 W. It does not provide PoE.

Q: What optics work with the ports?
A: The 32 SFP+ ports take 1G or 10G SFP/SFP+ optics and cables. The 2 QSFP100 ports take 40G and 100G QSFP transceivers and cables.

Q: What does the -R suffix mean?
A: The -R suffix denotes rear-to-front airflow. Fan modules must match this airflow direction.

Q: Can the QSFP100 ports run at lower speeds?
A: Yes. The switch supports up to 8 x 25GbE ports or 2 x 40GbE ports in addition to the 100GbE operation.

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