Arista DCS-7280CR3K-32P4A-F | 7280R3K 32x 100G + 4x 400G Switch Router, Front-to-Rear

SKU:DCS-7280CR3K-32P4A-F

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 1RU data centre switch router built for large-scale L2/L3 cloud and EVPN/VXLAN spine and leaf designs, Internet peering, data centre interconnect, carrier edge VPN services, MPLS/SR-TE cores, 5G and metro aggregation, and AI cluster fabrics. It runs Arista EOS and uses a deep buffer Virtual Output Queue architecture.

This DCS-7280CR3K-32P4A-F variant pairs 32 x 100GbE QSFP100 ports with 4 x 400GbE OSFP ports, delivering 4.8 Tbps of throughput (9.6 Tbps full duplex) and 2 Bpps of packet forwarding with latency from 3.8 us. It carries 8 GB of packet buffer and the large-routes (7280R3K) FlexRoute engine, which expands routing scale to over 5 million routes. The Eight-Core x86 CPU is backed by 64 GB of system memory and a 120 GB SSD. This SKU uses front-to-rear airflow with two hot-swap 1000W AC power supplies in a 1+1 arrangement and three hot-swap fans in an N+1 arrangement.

The 400G OSFP ports accept 400GBASE-CR8, AOC, SR8, DR4, XDR4, FR4, 2FR4, LR4, PLR4 and ZR modules plus 200G, 100G, 50G and 25G breakout cables. The 100G QSFP ports accept 100G optics and cables and support 25G and 50G breakout and speed modes. EOS 4.27.2 or later is required.

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

Features

- Deep buffer Virtual Output Queue (VOQ) architecture that eliminates head-of-line blocking
- FlexRoute engine with large-routes (7280R3K) scale to over 5M routes
- Algorithmic ACLs supporting 100K+ rules
- EVPN/VXLAN, MLAG and ECMP up to 512-way
- LANZ and DANZ for microburst detection and traffic monitoring
- Precision timing with PTP (IEEE 1588v2) and SyncE
- Inband Network Telemetry (INT) and Accelerated sFlow
- Cluster Load Balancing (CLB) for AI workloads
- CloudVision, Zero Touch Provisioning and open APIs (JSON-RPC, NETCONF)

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 (100GbE), 4 x OSFP (400GbE)
- Maximum 400G ports: 4
- Maximum 100G ports: 48
- Maximum 50G ports: 96
- Maximum 40G ports (using QSFP+): 36
- Maximum 25/10G ports: 96
- Throughput: 4.8 Tbps (9.6 Tbps full duplex)
- Packet forwarding: 2 Bpps
- Latency: from 3.8 us
- CPU: Eight-Core x86
- System memory: 64 GB
- Packet buffer memory: 8 GB
- SSD storage: 120 GB
- Management port: 1 x 100/1000
- Serial console: 1 x RS-232 (RJ-45)
- USB ports: 1
- Power supplies: 2 x PWR-1011 1000W AC, hot-swap, 1+1 redundant
- Power input: 100-240V AC, 50/60Hz, 93% efficiency (Platinum)
- Typical/maximum power draw: 543 W / 865 W
- Fans: 3 hot-swap (N+1), fan tray FAN-7011H
- Airflow: front to rear
- Dimensions (W x H x D): 43.99 x 4.37 x 55.83 cm (17.3 x 1.72 x 22.0 in)
- Rack units: 1RU
- Weight: 12.27 kg (27 lbs)
- Operating temperature: 0 to 40 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: 0 to 3,000 m
- Minimum EOS: 4.27.2

FAQs

Q: Which software and licences does this switch use?
A: It runs Arista EOS and belongs to EOS Feature License Group 3. Optional licences are ordered separately, including LIC-FIX-3-E for Enhanced L3 (BGP, OSPF, ISIS, PIM, NAT), LIC-FIX-3-V, LIC-FIX-3-V2, LIC-FIX-3-Z, LIC-FIX-3-FLX-L and LIC-FIX-3-FLX.

Q: What power does it need?
A: It uses two hot-swap PWR-1011 1000W AC power supplies in a 1+1 redundant arrangement, rated for 100-240V AC at 50/60Hz. Typical and maximum draw is 543 W and 865 W.

Q: What optics and cables work in the 400G OSFP ports?
A: The OSFP ports accept 400GBASE-CR8, AOC, SR8, DR4, XDR4, FR4, 2FR4, LR4, PLR4 and ZR, plus 200G, 100G, 50G and 25G breakout cables.

Q: How does this variant differ from other 7280R3 models?
A: This SKU is the large-routes 7280R3K version with an Eight-Core CPU, 32 x 100G plus 4 x 400G ports, front-to-rear airflow and two AC power supplies.

Q: Which EOS version is required?
A: EOS 4.27.2 or later is required.