Arista DCS-7280CR3K-32P4 | 7280R3K 32x100G QSFP Switch, 4x 400G OSFP, 8GB Buffer

SKU:DCS-7280CR3K-32P4

Stock Status: Enquire

Request Quote

Sale Sold out

Shipping calculated at checkout.

20-min response

Need a quote or bulk pricing? Answered within 20 minutes, Sydney business hours.

Description

The Arista 7280R3K is a fixed-configuration 1RU data centre switch router built for high-performance data centre, cloud, internet peering and service provider roles. It combines wire-speed Layer 2 and Layer 3 forwarding with an ultra-deep packet buffer, making it suited to spine and leaf designs, EVPN/VXLAN overlays, inter-DC networking and carrier edge services.

This DCS-7280CR3K-32P4 model provides 32 x 100GbE QSFP100 ports and 4 x 400GbE OSFP ports, with 4.8 Tbps of throughput (9.6 Tbps full duplex) and 2 Bpps forwarding. It carries 8GB of packet buffer memory, a quad-core x86 CPU with 64GB of system memory and a 120GB SSD, with latency from 3.8 us. As a 7280R3K variant it offers the larger route scale, with over 5 million IPv4 routes in the largest profile. Fans and power supplies are configurable at order, with two hot-swap PSUs (1+1) and three hot-swap fans (N+1).

The QSFP100 ports take QSFP28 optics and cables and support 25G and 50G breakout, while the OSFP ports take 400G OSFP optics and cables such as 400GBASE-CR8 DACs and AOCs. The switch runs Arista EOS and is managed with CloudVision.

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

Features

- Ultra-deep packet buffer with virtual output queues per port to eliminate head-of-line blocking
- Wire-speed Layer 2 and Layer 3 forwarding
- 7280R3K route scale with algorithmic ACLs for 100K+ rules
- Cloud-grade routing including EVPN, LDP, RSVP-TE, SR-TE, FRR and TI-LFA
- PTP and SyncE timing support
- JSON-RPC and NETCONF APIs, ZTP and LANZ microburst detection
- Single EOS binary image with full Linux shell access
- 25G and 50G breakout on 100G QSFP ports
- Redundant hot-swap power supplies and 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.

View full details

specs-tabs

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
- Throughput (full duplex): 4.8 (9.6) Tbps
- Packet forwarding rate: 2 Bpps
- Latency: from 3.8 us
- Packet buffer memory: 8 GB
- CPU: quad-core x86
- System memory: 64 GB
- SSD storage: 120 GB
- Management port: 1 x 100/1000
- Serial port: 1 x RS-232 (RJ-45)
- USB ports: 1
- Hot-swap power supplies: 2 (1+1 redundant)
- Hot-swap fans: 3 (N+1 redundant)
- Airflow direction: front to rear and rear to front
- 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
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: 0 to 3,000 m

FAQs

Q: What software and licensing does this switch use?
A: It runs Arista EOS, with a single binary image across platforms. Optional feature licences from the Group 3 fixed-switch family, such as LIC-FIX-3-E for enhanced L3 and LIC-FIX-3-V for VXLAN, are available for additional capabilities.

Q: What power supplies and fans does it use?
A: This is the configurable fans and PSU variant, so airflow direction and AC or DC power are chosen at order. It uses PWR-1011 power supplies (1+1 redundant) and FAN-7011H fan trays (N+1 redundant).

Q: What optics and cables work with the 400G OSFP ports?
A: The OSFP ports take 400G OSFP optics and cables, such as 400GBASE-CR8 DACs and AOCs. The 100G QSFP100 ports take QSFP28 optics and cables and support 25G and 50G breakout.

Q: How does the 7280R3K differ from the standard 7280R3?
A: The 7280R3K variant offers a larger route scale, with over 5 million IPv4 routes in the largest profile, alongside the same 32 x 100G and 4 x 400G port layout and 8GB packet buffer.

Q: What is the typical power draw?
A: Typical power draw is around 535 to 543 W, with a maximum of about 851 to 865 W, measured at 25 C ambient with a 50 percent load.