The Arista DCS-7148S-R is a high-performance, fixed-configuration data center switch designed for low-latency and high-throughput networking. Featuring 48 x 1/10GbE SFP+ ports, this switch delivers a robust 800Gbps switching capacity to meet the demands of modern cloud environments, enterprise networks, and high-frequency trading applications.
Built for efficiency and reliability, the DCS-7148S-R includes rear-to-front airflow for optimal cooling and dual AC power supplies to ensure redundancy and uninterrupted operation. Running on the Arista Extensible Operating System (EOS), this switch supports advanced Layer 2 and Layer 3 switching, network automation, and real-time traffic monitoring, making it an ideal solution for scalable, high-performance network architectures.
Product Specifications – Arista DCS-7148S-R (Data Sheet)
| Feature |
Details |
| Model Number |
DCS-7148S-R |
| Description |
High-performance, fixed-configuration data center switch |
| Port Configuration |
48 x 1/10GbE SFP+ ports |
| Performance |
Switching Capacity: Up to 960 Gbps
Forwarding Rate: Up to 720 million packets per second
Latency: As low as 900 nanoseconds |
| Design |
Form Factor: Compact 1U
Cooling: Rear-to-front airflow for optimized cooling
Dimensions: 48.3 x 4.4 x 50.8 cm (19 x 1.75 x 20 inches)
Weight: Approximately 10 kg (22 lbs) |
| Power Consumption |
Typical power usage under 4W per 10GbE port |
| Operating System |
Arista Extensible Operating System (EOS) |
| Advanced Features |
Hardware-based Layer 2 and Layer 3 switching
Redundant and hot-swappable power supplies and fans
Support for advanced monitoring and provisioning features
|
FAQs:
Is the Arista DCS-7148S-R suitable for low-latency applications?
Yes, with a latency as low as 900 nanoseconds, the DCS-7148S-R is ideal for applications requiring rapid data processing and minimal delay.
What redundancy features are included in the Arista DCS-7148S-R?
The switch comes equipped with redundant and hot-swappable power supplies and fans, ensuring high availability and minimal downtime in critical network operations.
How does the Arista 7148S-R optimize network traffic during high congestion?
It features dynamic buffer allocation, ensuring traffic bursts are managed efficiently to minimize packet loss and maximize performance.
Is the Arista 7148S-R suitable for AI workloads?
Yes, its cut-through switching architecture delivers ultra-low latency, making it ideal for high-frequency trading, AI, and HPC environments.
Can the Arista 7148S-R integrate with existing data center automation tools?
Absolutely, it supports zero-touch provisioning (ZTP), open APIs, and automation frameworks like Ansible, Chef, and Puppet for seamless integration.
What makes the 7148S-R a cost-effective choice for scaling data centers?
It provides wire-speed Layer 2 and Layer 3 forwarding, high-density 10GbE connectivity, and energy-efficient design, reducing both CAPEX and OPEX.
Does the switch support VXLAN for modern cloud deployments?
Yes, the Arista 7148S-R supports VXLAN and EVPN, enabling scalable, flexible Layer 2/3 connectivity for cloud and virtualization-driven networks.
