• Arista DCS-7020SR-24C2 white switch with 24 SFP+ 10G and 2 QSFP28 100G ports
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Arista

Arista DCS-7020SR-24C2# | 7020R 24-Port 10G SFP+ Switch, 2x 100G QSFP100, Configurable PSU

DCS-7020SR-24C2#

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Description

The Arista 7020SR-24C2 is a 1RU data centre switch from the 7020R Series, built for dedicated server leaf, hyper-converged infrastructure and high-performance storage networks. It runs Arista EOS and forwards Layer 2 and Layer 3 traffic at wire speed, with a 3GB packet buffer to absorb bursts without head-of-line blocking.

The front panel provides 24 SFP+ ports, each running at 1G or 10G, plus two 100G QSFP100 uplinks that can be broken out to 4x10G, 4x25G or 40G modes. Throughput is 880 Gbps and forwarding is 300 Mpps, with latency from 3.8 microseconds. This hash-suffix SKU is the configurable build: airflow direction (front-to-rear or rear-to-front) and the AC or DC 1+1 hot-swap power supplies are selected at order. It does not include IPSec. Typical power draw is 95W, with a maximum of 105W.

The SFP+ ports accept 10GBASE-CR, AOC, SR, LR, ER, ZR and DWDM optics along with 1GbE SX/LX modules. The QSFP ports accept 40G and 100G optics and cables, including breakout cables.

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

Features

- Non-blocking wire-speed Layer 2 and Layer 3 forwarding
- 3GB deep packet buffer with Virtual Output Queue architecture to eliminate head-of-line blocking
- Every SFP+ port supports 1GbE or 10GbE with no restrictions
- Up to 256K MAC entries, up to 200K IPv4/IPv6 routes, 128-way ECMP and 64-port MLAG
- VXLAN gateway support for data centre overlays
- Arista EOS with Zero Touch Provisioning, Advanced Event Management, LANZ, sFlow, CloudVision, DANZ mirroring and TAP aggregation
- Accelerated sFlow support
- Tool-less rails with 2-post and 4-post mounting
- Reversible airflow with hot-swap redundant 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: 24 x 1/10GbE SFP+, 2 x 100G QSFP100
- Breakout: QSFP100 to 4x10G, 4x25G or 40G modes
- Max 25GbE ports: 8
- Max 40GbE ports: 2
- Max 100GbE ports: 2
- Throughput: 880 Gbps
- Forwarding rate: 300 Mpps
- Latency: from 3.8 microseconds
- Packet buffer memory: 3 GB
- CPU: Quad-Core x86
- System memory: 8 GB
- Flash storage: 4 GB
- Management ports: 1 x 100/1000, 1 x RJ-45 serial (RS-232), 1 x USB
- Power supplies: 2 x hot-swap 1+1, PWR-500AC or PWR-500-DC
- Fans: 3 x hot-swap N+1, FAN-7000-F or FAN-7000-R
- Power draw: 95W typical, 105W maximum
- Form factor: 1RU, 17.3 x 1.71 x 15.8 in (43.9 x 4.34 x 40.1 cm)
- Weight: 16.5 lbs (7.5 kg)
- Minimum EOS: 4.21.0
- IPSec: No
- Operating temperature: 0 to 40 C (32 to 104 F)
- Storage temperature: -40 to 70 C (-40 to 158 F)
- Relative humidity: 5 to 95%
- Operating altitude: 0 to 3,000 m (10,000 ft)

FAQs

Q: What does the hash in DCS-7020SR-24C2# mean?
A: The hash marks the configurable build-to-order version, where the airflow direction (front-to-rear or rear-to-front) and the power supplies (AC or DC) are chosen at order time.

Q: Which licences does this switch use?
A: It runs Arista EOS (minimum 4.21.0) and uses the Group 1 fixed-switch feature licences: LIC-FIX-1-E for Enhanced L3 routing, LIC-FIX-1-Z for Monitoring and Automation, and LIC-FIX-1-V for Virtualisation including VXLAN.

Q: What power supplies and fans can this switch use?
A: It takes two hot-swap 1+1 power supplies, either PWR-500AC (100-240VAC) or PWR-500-DC (-48 to -60 VDC). The three N+1 fans are FAN-7000-F for front-to-rear airflow or FAN-7000-R for rear-to-front. Typical draw is 95W and maximum draw is 105W.

Q: What optics and cables fit the SFP+ and QSFP100 ports?
A: SFP+ ports take 10GBASE-CR, AOC, SRL, SR, LRL, LR, ER, ZR and DWDM optics, plus 1GbE SX/LX and 100/1000BASE-T modules. QSFP ports take 40G and 100G optics and cables, including 4x10G and 25G breakout cables.

Q: Can the 100G ports be used at lower speeds?
A: Yes. The QSFP100 ports support 100G and can be broken out for 10G, 25G or 40G modes.

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