Detailed Specifications
HPE P31324-B21 Dual-Port HDR/200 Gbps QSFP56 Adapter
Overview
The HPE P31324-B21 is a dual-port adapter delivering up to 200 Gb/s aggregate throughput over QSFP56 interfaces. It is built on a PCI Express 4.0 ×16 host interface and supports both HDR InfiniBand and 200 Gb Ethernet fabrics, making it suited for high-performance computing clusters, storage fabrics, and server networks. Its form-factor and thermal design allow deployment in HPE ProLiant Gen10, Gen10 Plus and Apollo server platforms where low latency and high bandwidth are required. The adapter integrates with HPE server management tools for firmware updates and system monitoring, and supports advanced offload features for modern data-centre architectures.
Key Features
Dual QSFP56 ports delivering up to 200 Gb/s aggregate bandwidth.
PCI Express 4.0 ×16 interface ensures full host-bus throughput.
Supports both HDR InfiniBand and 200 Gb Ethernet protocol stacks.
Full-length, low-profile plug-in card format for dense server environments.
Verified dimensions and weight support accurate rack and chassis planning.
Specifications
| Specification | Value |
|---|
| Brand | Hewlett Packard Enterprise (HPE) |
| Part Number | P31324-B21 |
| Product Type | Dual-Port HDR/200 Gbps QSFP56 Adapter |
| Data Transfer Rate | Up to 200 Gb/s aggregate |
| Ports | 2 × QSFP56 |
| Host Bus Interface | PCI Express 4.0 ×16 |
| Supported Protocols | HDR InfiniBand, 200 Gb Ethernet |
| Form Factor | Full-length, low-profile plug-in card |
| Dimensions (L × W × H) | 9.72 in × 8.46 in × 2.44 in |
| Weight | ≈ 1.10 lbs |
| Operating Temperature | 0 °C to 55 °C |
| Compliance Standards | HDR/200 Gb fabric standards |
| Typical Power Consumption | Not publicly specified |
| Compatibility | HPE ProLiant Gen10 / Gen10 Plus / Apollo server platforms |
| Warranty | 3-year HPE replacement warranty |
