Product Overview
The Arista DCS-7130B-32QD-R is a high-performance, ultra-low latency network switch designed for demanding data center, financial trading, and high-frequency networking environments. Part of the Arista 7130B Connect+ Series, this 2RU switch features 32 QSFP-DD ports providing up to 256 individual 10GbE lanes, an integrated Layer 1 crosspoint, and an Intel Tofino P4 programmable switching ASIC. Delivering Layer 1 latency as low as 7 nanoseconds and up to 5.12 Tbps of full-duplex switching capacity, the DCS-7130B-32QD-R enables deterministic traffic distribution, flexible Layer 2/3 switching, and advanced packet processing. Equipped with redundant hot-swappable AC power supplies, rear-to-front airflow, and Arista EOS management capabilities, this enterprise-grade switch provides exceptional port density, scalability, and reliability for mission-critical networking applications.
Technical Specifications
|
Specification |
Details |
|---|---|
|
Manufacturer |
Arista Networks |
|
Part Number |
DCS-7130B-32QD-R |
|
Product Series |
Arista 7130B Connect+ |
|
Device Type |
Layer 1/2/3 Programmable Network Switch |
|
Form Factor |
2RU Rackmount |
|
Network Ports |
32 × QSFP-DD |
|
Port Configuration |
256 × 10GbE Lanes (8 per QSFP-DD) |
|
Layer 1 Crosspoint Interfaces |
256 |
|
Layer 1 Throughput |
100 Mbps – 11.3 Gbps per lane |
|
Layer 1 Latency |
As low as 7 ns |
|
Switching ASIC |
Intel Tofino P4 Programmable |
|
Internal Switch Interfaces |
256 × 10G |
|
Switching Capacity |
2.56 Tbps (5.12 Tbps Full-Duplex) |
|
Switching Latency |
As low as 650 ns |
|
Packet Buffer |
22 MB |
|
Programmable Pipeline |
Up to 96 Stages |
|
Processor |
8-Core x86 CPU |
|
System Memory |
32 GB RAM |
|
Internal Storage |
120 GB SSD |
|
Operating System |
Arista EOS |
|
Management Port |
1 × 10/100/1000 Ethernet |
|
Console Port |
1 × RJ-45 RS-232 |
|
USB Port |
1 |
|
PPS Inputs |
2 × SMA |
|
PPS Outputs |
2 × SMA |
|
Clock |
OCXO |
|
Power Supplies |
2 × Hot-Swappable AC (1+1 Redundant) |
|
Cooling |
4 × Hot-Swappable Fans (N+1 Redundant) |
|
Airflow Direction |
Rear-to-Front |
|
Typical Power Consumption |
1600W |
|
Maximum Power Consumption |
2400W |
|
Dimensions (W × H × D) |
17.32 × 3.46 × 30.00 inches |
|
Weight |
50.5 lbs (22.9 kg) |
|
Operating Temperature |
0°C to 40°C (32°F to 104°F) |
Specifications based on Arista's official 7130B Series datasheet and hardware documentation.
Key Features
-
Ultra-Low Latency: Layer 1 crosspoint connectivity with latency starting at 7 nanoseconds.
-
High-Density Connectivity: 32 QSFP-DD interfaces supporting 256 individual 10G lanes.
-
Programmable Switching: Integrated Intel Tofino ASIC supports customizable P4 packet processing pipelines.
-
High Switching Capacity: Up to 5.12 Tbps full-duplex throughput.
-
Advanced Traffic Distribution: Supports flexible 1:N replication and Layer 1 traffic distribution.
-
Enterprise Reliability: Redundant hot-swappable power supplies and cooling fans.
-
Rear-to-Front Airflow: Designed for data center environments requiring reverse airflow.
-
Centralized Management: Arista EOS supports monitoring, telemetry, and network automation.