Arista DCS-7260CX3-64-R | 7260X3 64-Port 100G Switch, 2x SFP+, Rear-to-Front

SKU:DCS-7260CX3-64-R

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Description

The Arista 7260X3 is a fixed-configuration 2RU data centre switch built for 100GbE leaf, collapsed spine and top-of-rack roles. It suits high-density storage, cloud and virtualised environments, and low-latency financial trading networks, running Arista EOS.

This 7260CX3-64 provides 64 QSFP100 ports (40/100GbE) plus 2 SFP+ ports, with up to 128 x 10G/25G/50G ports available through breakout cables. It delivers wire-speed L2 and L3 forwarding at 6.4 (12.8) Tbps full duplex and 4.2 Bpps, with latency from 450 ns and a 42 MB dynamic packet buffer. This variant uses rear-to-front airflow with two hot-swap 1+1 redundant AC power supplies (PWR-745AC-R) and four N+1 fans. Typical power draw is 314 W, with a maximum of 616 W.

It accepts 10G to 100G pluggable optics and cables, including 40G and 100G QSFP and SFP+ types, with breakout to 4x10G, 4x25G or 2x50G. Minimum EOS is 4.20.1F. Optional EOS feature licences use the Group 3 fixed-switch range, such as LIC-FIX-3-E for enhanced Layer 3 routing.

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

Features

- Flexible 10G to 100G support on all ports
- Wire-speed Layer 2 and Layer 3 forwarding
- Over 93% efficient power supplies with 1+1 redundant, hot-swappable PSUs
- N+1 redundant, hot-swappable fans
- VXLAN and VM Tracer, OpenFlow, DirectFlow and eAPI
- Cluster Load Balancing, traffic-aware ECMP and UCMP
- CloudVision, Zero Touch Provisioning, LANZ microburst detection, DANZ mirroring and sFlow
- PFC and ETS for congestion management

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

- Model: 7260CX3-64
- Ports: 64 x QSFP100 (40/100GbE) and 2 x SFP+
- Breakout: up to 128 x 10G/25G/50G ports
- Throughput: 6.4 (12.8) Tbps FDX
- Forwarding rate: 4.2 Bpps
- Latency: from 450 ns
- Packet buffer: 42 MB (Dynamic Buffer Allocation)
- CPU: Dual-Core x86
- System memory: 8 GB
- Flash storage: 30 GB
- Management ports: 1 x 10/100/1000, 1 x RS-232 (RJ-45), 1 x USB
- Power supplies: 2 x hot-swap AC, 1+1 redundant (PWR-745AC-R)
- Fans: 4 x hot-swappable, N+1 redundant (FAN-7002-R)
- Airflow: rear-to-front
- Typical/max power draw: 314 W / 616 W
- Form factor: 2RU
- Dimensions (W x H x D): 48.3 x 8.8 x 45.7 cm
- Weight: 15.6 kg
- Operating temperature: 0 to 40 C
- Minimum EOS: 4.20.1F

FAQs

Q: Which licences does this switch use?
A: It runs Arista EOS with Group 3 fixed-switch feature licences. Optional licences include LIC-FIX-3-E for enhanced Layer 3 (BGP, OSPF, ISIS, PIM, NAT), LIC-FIX-3-V for VMTracer and VXLAN, LIC-FIX-3-Z for monitoring and automation, and LIC-FIX-3-FLX-L for FLX-Lite routing.

Q: What power supply does this rear-to-front model use?
A: It uses two hot-swap AC power supplies in a 1+1 redundant arrangement, part number PWR-745AC-R. They accept 100-240 VAC at 50/60 Hz through IEC C13 inputs.

Q: Which optics and cables does it work with?
A: It supports 40G QSFP (SR4, LR4, ER4, AOC, CR4), 100G QSFP (SR4, SWDM4, LR4, CWDM4, DR, FR, PSM4, AOC, CR4) and SFP+ (SR, LR, ER, ZR, DWDM, CR, AOC) as well as 1G SX, LX and TX. Breakout cables provide 4x10G, 4x25G or 2x50G.

Q: How does the -R variant differ from the -F variant?
A: The -R model has rear-to-front airflow and uses the PWR-745AC-R power supplies and FAN-7002-R fan modules. Front-to-rear models use the F versions of these parts.

Q: Are there power limits on individual QSFP ports?
A: QSFP ports 13, 15, 17, 19 and 46, 48, 50, 52 support transceivers up to 5 W. All other QSFP ports support transceivers up to 3.5 W.