Detailed Specifications
HPE 670768-B21 Mellanox InfiniBand FDR 36-Port RAF Managed Switch
Overview
The HPE 670768-B21 is a high-performance InfiniBand switch, offering 36 FDR (Fourteen Data Rate) QSFP ports operating at 56 Gb/s. It is optimized for high-performance computing (HPC) clusters, large-scale data centers, and low-latency workloads. Designed with a 1U rack-optimized form factor, the switch supports redundant power supplies and a reverse-airflow fan unit for flexible data-center airflow configurations. It enables scalable, reliable interconnect fabric for compute nodes, storage, and clustering.
Key Features
36 × 56 Gb/s FDR QSFP ports for dense high-speed connectivity
Managed switch with full fabric management capabilities
Rear-to-front airflow design (RAF) for thermal flexibility
Dual redundant power supplies for high availability
Designed for HPC and data-center clustering fabrics
Technical Specifications
| Specification | Details |
|---|
| Brand | HPE / Mellanox |
| Part Number | 670768-B21 |
| Product Type | InfiniBand Managed Switch |
| Number of Ports | 36 QSFP FDR ports |
| Port Speed | 56 Gb/s per port (FDR) |
| Aggregate Bandwidth | Very high (dense FDR fabric) |
| Cooling Direction | Rear-to-Front (RAF design) |
| Power Supplies | Dual, hot-swappable |
| Form Factor | 1U rack-mount switch |
| Latency | Ultra-low (designed for HPC) |
| Management Features | Fabric management via SNMP / CLI / other protocols |
| Operating Temperature | Typical data-center range |
