Arista DCS-7280PR3K-24-FLX-F | 7280R3 24-Port 400G OSFP Switch, FLX Licence

SKU:DCS-7280PR3K-24-FLX-F

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Description

The Arista 7280R3K is a 1RU data centre and service-provider switch router built around 24 wire-speed 400G OSFP ports. It suits internet peering, carrier edge VPN services, inter-data-centre interconnect, and large-scale Layer 2 and Layer 3 cloud designs using EVPN and VXLAN.

This SKU is the large-routes R3K variant with front-to-rear airflow, two AC power supplies and the FLX licence. It delivers 9.6 Tbps of throughput (19.2 Tbps full duplex) at 4 Bpps, with latency from 3.8 us and a 16 GB packet buffer. The 24 OSFP ports break out to up to 96x 100G, 192x 50G or 192x 25G/10G interfaces. Memory is 64 GB with a 120 GB SSD, and the platform supports 512-way ECMP.

The FLX licence covers full routing up to 2M routes, EVPN, VXLAN, Segment Routing and advanced MPLS. The OSFP ports accept 400G optics and DACs, plus 200G down to 10G through breakouts or adapters, subject to transceiver capability.

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

Features

- 24 wire-speed 400G OSFP ports in 1RU, with breakout to 200G, 100G, 50G, 40G, 25G and 10G
- 16 GB packet buffer with Virtual Output Queues to avoid head-of-line blocking
- Large-route R3K scale with FlexRoute support for over 5M IPv4 routes
- EVPN, VXLAN, LDP, RSVP-TE, SR-TE, FRR and TI-LFA routing
- PTP and SyncE timing support
- JSON-RPC and NETCONF APIs, CloudVision management, LANZ, ZTP and accelerated sFlow
- Redundant hot-swap power supplies and fans with front-to-rear airflow
- Arista EOS single binary image with full Linux shell access

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 400GbE OSFP
- Maximum 100G ports: 96
- Maximum 50G ports: 192
- Maximum 25/10G ports: 192
- Throughput: 9.6 Tbps (19.2 Tbps full duplex)
- Packets per second: 4 Bpps
- Latency: from 3.8 us
- Packet buffer memory: 16 GB
- System memory: 64 GB
- CPU: Quad-core x86
- Storage: 8 GB flash, 120 GB SSD
- Management: 1 x 100/1000 port, 1 x RS-232 serial (RJ-45), 1 x USB
- Power supplies: 2 x PWR-1511 1500W AC, hot-swap, 1+1 redundant
- Fans: 3 x FAN-7011H hot-swap, N+1 redundant
- Airflow: front to rear
- Power draw: 650 W typical, 1100 W maximum
- Form factor: 1RU, 43.99 x 4.37 x 57.4 cm
- Weight: 12.7 kg
- Operating temperature: 0 to 40 C
- Minimum EOS: 4.23.1

FAQs

Q: Does this switch include a software licence?
A: Yes. The FLX suffix indicates the FLX licence is included. For Group 4 fixed switches this covers full routing up to 2M routes, EVPN, VXLAN, Segment Routing and advanced MPLS.

Q: What power does it need?
A: It uses two PWR-1511 1500W hot-swap AC supplies in a 1+1 redundant arrangement, taking 200-240V AC. Typical draw is 650 W, with a maximum of 1100 W.

Q: What can I connect to the OSFP ports?
A: The ports accept 400G OSFP optics and DACs. With breakout cables or adapters they also support 200G, 100G, 50G, 40G, 25G and 10G, subject to the capability of the transceiver.

Q: What airflow does this SKU use?
A: Front-to-rear airflow, driven by three hot-swap FAN-7011H fans in an N+1 arrangement.

Q: How does the R3K differ from a standard 7280R3?
A: The R3K variant uses the large-route scale profile, supporting 1.65M to 3.95M IPv4 unicast routes depending on profile, and over 5M with FlexRoute.