Arista DCS-7280CR3-32P4-M | 7280R3 32x 100G, 4x 400G OSFP Switch, 64 GB Memory

SKU:DCS-7280CR3-32P4-M

Stock Status: Enquire

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Description

The Arista 7280R3 DCS-7280CR3-32P4-M is a 1RU fixed data centre switch router built for large-scale layer 2 and layer 3 cloud data centres, EVPN/VXLAN overlay designs, Internet peering, inter-DC interconnect and carrier edge deployments that need deep buffers and large routing tables. It runs Arista EOS.

The front panel provides 32 QSFP100 ports and 4 OSFP ports running at up to 400G. Total throughput is 4.8 Tbps (9.6 Tbps full duplex) at up to 2 billion packets per second, with latency from 3.8 microseconds and 8 GB of packet buffer. This -M model is the expanded-memory variant with 64 GB of system memory, and it is ordered with the fans and power supplies configured separately. Fan options are FAN-7011H-F or FAN-7011H-R for front-to-rear or rear-to-front airflow. Power supplies are PWR-1011 1000W AC or DC units in a 1+1 hot-swap arrangement, with typical draw of 535 W and a maximum of 851 W.

The OSFP ports support 400GBASE-CR8, AOC, SR8, DR4, XDR4 and FR4, with 200G modes and breakout to 100G, 50G and 25G. The QSFP100 ports support 100G and QSFP+ 40G. EOS 4.22.1 or later is required, and the switch is managed with CloudVision.

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

Features

- Deep packet buffer with Virtual Output Queues per port to eliminate head-of-line blocking
- FlexRoute engine for Internet-scale routing tables in hardware
- Wire-speed layer 2 and layer 3 forwarding
- EVPN/VXLAN, MLAG and ECMP up to 512-way for leaf-spine and overlay designs
- Carrier-grade routing including LDP, RSVP-TE, SR-TE, TI-LFA, PTP and SyncE
- Programmable APIs (JSON-RPC, NETCONF, eAPI) and Zero Touch Provisioning
- LANZ microburst detection and accelerated sFlow
- Algorithmic ACLs supporting over 100K rules
- Hot-swap redundant power supplies and N+1 fans, designed for NEBS

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 QSFP100, 4 x OSFP
- Maximum 400G ports: 4
- Maximum 100G ports: 48
- Maximum 50G ports: 96
- Maximum 40G ports (using QSFP+): 36
- Maximum 25/10G ports: 96
- Maximum total interfaces: 96
- Throughput (FDX): 4.8 (9.6) Tbps
- Packets per second: 2 Bpps
- Latency: from 3.8 us
- CPU: Quad-core x86
- System memory: 64 GB (expanded-memory model)
- Packet buffer: 8 GB
- SSD storage: 120 GB with 64 GB system memory
- Management port: 1 x 100/1000
- Console: 1 x RS-232 (RJ-45)
- USB ports: 1
- Power supplies: 2 x hot-swap, 1+1 redundant (PWR-1011)
- Fans: 3 x hot-swap, N+1 redundant (FAN-7011H)
- Airflow: front to rear and rear to front
- Typical / maximum power draw: 535 W / 851 W
- Rack units: 1U
- Dimensions (W x H x D): 43.99 x 4.37 x 55.83 cm
- Weight: 12.27 kg
- Operating temperature: 0 to 40 C
- Minimum EOS: 4.22.1

FAQs

Q: What EOS licensing does this switch use?
A: It runs Arista EOS and sits in EOS Feature License Group 3. Optional Group 3 licences are available, including LIC-FIX-3-E for Enhanced L3 (BGP, OSPF, ISIS, PIM, NAT), LIC-FIX-3-V for VMTracer and VXLAN, and LIC-FIX-3-Z for Monitoring and Automation.

Q: What fans and power supplies does it take?
A: It takes FAN-7011H fans in either front-to-rear (FAN-7011H-F) or rear-to-front (FAN-7011H-R) airflow. Power supplies are PWR-1011 1000W units in AC (100-240V AC) or DC (-48 to -60V DC) versions.

Q: What can I connect to the 400G OSFP ports?
A: The OSFP ports support 400GBASE-CR8, AOC, SR8, DR4, XDR4 and FR4. They also support 200G modes and breakout to 100G, 50G and 25G using OSFP-to-QSFP or OSFP-to-SFP cables.

Q: How does this model differ from the standard 7280CR3-32P4?
A: This -M variant has expanded system memory of 64 GB, with a 120 GB SSD, compared with the standard 8 GB configuration.

Q: Which rack kits and software version does it need?
A: Compatible rack kits include KIT-7001, KIT-2POST-1U-NT and KIT-4POST-NT. It requires EOS 4.22.1 or later.