Arista DCS-7280CR3-32P4 | 7280R3 32-Port 100G Switch, 4x 400G OSFP, 8GB Buffer

SKU:DCS-7280CR3-32P4

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Description

The Arista 7280R3 Series 7280CR3-32P4 is a 1RU data centre switch router built for leaf/spine and cloud networking, internet peering, inter-DC interconnect, carrier core transport and traditional enterprise data centres that need deep buffers and large routing tables. It runs Arista EOS.

This model combines 32 x 100G QSFP100 ports, which also support 25G, 40G and 50G, with 4 x 400G OSFP ports. It delivers 4.8 Tbps of throughput (9.6 Tbps full duplex) and 2 Bpps of packet forwarding, with latency from 3.8 us and an 8 GB packet buffer. This is the standard-routes variant with configurable fans and power supplies, rather than the 7280R3K large-routes model. Power is provided by two hot-swap PWR-1011 supplies in a 1+1 arrangement, with a typical draw of 535 W and a maximum of 851 W. Three hot-swap fans provide N+1 cooling.

The four 400G ports are OSFP rather than QSFP-DD, and the 32 QSFP100 ports are QSFP28-based. The switch requires EOS Feature License Group 3 and a minimum of EOS 4.22.1. Related accessories include spare PWR-1011 AC or DC supplies, FAN-7011H-F and -R fan modules, and tool-free rack kits.

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

Features

- Ultra-deep packet buffers with Virtual Output Queues per port to eliminate head-of-line blocking
- Redundant hot-swap power supplies and fans, over 94% efficient
- Up to 384K MAC addresses and over 2M IPv4 unicast routes
- Algorithmic ACLs supporting 100K+ rules
- EVPN/VXLAN, MLAG and ECMP support
- Carrier-class transport features including LDP, RSVP-TE, SR-TE, FRR and TI-LFA, plus PTP and SyncE timing
- LANZ microburst detection, Zero Touch Provisioning, Accelerated sFlow and CloudVision integration
- Open programmable APIs (JSON-RPC, NETCONF) and full Linux shell access via EOS

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
- Max 400G ports: 4
- Max 100G ports: 48
- Max 50G ports: 96
- Max 40G ports (using QSFP+): 36
- Max 25/10G ports: 96
- Throughput (FDX): 4.8 (9.6) Tbps
- Packets per second: 2 Bpps
- Latency: From 3.8 us
- Packet buffer memory: 8 GB
- CPU: Quad-Core x86
- System memory: 8 GB (64 GB optional)
- Flash storage: 8 GB
- SSD storage: 120 GB with 64 GB system memory
- Management port: 1 x 100/1000
- Serial port: 1 x RS-232 (RJ-45)
- USB ports: 1
- Power supplies: 2 x hot-swap PWR-1011, 1+1 redundant, AC or DC
- Fans: 3 x hot-swap, N+1 redundant (FAN-7011H)
- Airflow: Front to rear and rear to front
- Typical/max power draw: 535 W / 851 W
- Form factor: 1RU
- 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, EOS Feature License Group 3

FAQs

Q: Does this switch need a software licence?
A: It runs Arista EOS and requires EOS Feature License Group 3. The minimum supported EOS release is 4.22.1.

Q: What power supplies does it use?
A: It takes two hot-swap PWR-1011 supplies in a 1+1 redundant arrangement, available in AC or DC. The AC version is 1000W output at 100-240V AC. Typical draw is 535 W and maximum is 851 W.

Q: Are the 400G ports QSFP-DD or OSFP?
A: The four 400G ports are OSFP, not QSFP-DD, so they accept OSFP optics and cables. The 32 x 100G ports are QSFP28-based. Optics and cables are ordered separately.

Q: How does this differ from the other 7280R3 models?
A: This is the standard-routes model with 32 x 100G QSFP and 4 x 400G OSFP ports and an 8 GB buffer. The 7280CR3-32D4 is the QSFP-DD variant, and the 7280CR3K models are the large-routes variants.

Q: Which airflow direction does it support?
A: The system supports front-to-rear and rear-to-front airflow, set by the FAN-7011H-F or FAN-7011H-R fan modules.