Overview
The Arista DCS-7280CR3A-24D12 is a 7280R3A Series data center switch router designed for high-performance cloud, data center, service provider, and leaf-spine network environments. This switch includes 24x 100GbE QSFP ports and 12x 400GbE QSFP-DD ports, providing a flexible mix of 100G and 400G connectivity for modern high-bandwidth network deployments. With 7.2 Tbps throughput, 14.4 Tbps full-duplex throughput, up to 2.7 Bpps packet forwarding, and 8 GB of packet buffer memory, the DCS-7280CR3A-24D12 is built for demanding Layer 2 and Layer 3 routing environments. Arista DCS-7280CR3A-24D12 7280R3A 24x 100GbE QSFP 12x 400GbE QSFP-DD Switch Router.
Specifications
- Network Ports: 24x 100GbE QSFP, 12x 400GbE QSFP-DD
- Max 400G Ports: 12
- Max 100G Ports: 72
- Max 50G Ports: 116
- Max 40G Ports: 36 using QSFP+
- Max 25/10G Ports: 116
- Max Total Interfaces: 116
- Management Ports: 1x 100/1000 management port, 1x RJ-45 RS-232 serial console port, 1x USB port
- Precision Timing: PTP and SyncE with OCXO and PPS/10M/ToD inputs
- OSFP-LS Ports: Not included
- Encryption: Not included on standard R3A model
- Special Features: L2/L3 switching and routing, deep packet buffering, cloud-grade routing, precision timing, and accelerated sFlow
- Throughput: 7.2 Tbps, 14.4 Tbps full-duplex
- Packets Per Second: 2.7 Bpps
- Latency: From 3.8 microseconds
- CPU: Eight-Core x86
- System Memory: 64 GB
- SSD Storage: 480 GB
- Packet Buffer Memory: 8 GB
- Hot-Swap Power Supplies: 2x 1+1 redundant power supplies supported
- Power Supplies Included: Depends on configuration
- Power Supply Options: PWR-1511-AC or PWR-1511-DC
- Typical / Max Power Draw: 346W / 845W
- Hot-Swappable Fans: 3x N+1 redundant fans
- Fan Tray: FAN-7011H
- Airflow Direction: Front-to-rear or rear-to-front airflow options available
- Rack Units: 1U
- Dimensions: 17.3 x 1.72 x 23.31 in / 43.99 x 4.37 x 59.2 cm
- Weight: 32.6 lbs / 14.79 kg
- Accelerated sFlow: Yes
- EOS Feature License Group: Group 4
- Minimum EOS: 4.31.1
- Part Number: DCS-7280CR3A-24D12
- Condition: New