Detailed Specifications
HPE P37219-B21 InfiniBand 40 GbE Dual-Port Adapter (544+ FLR QSFP)
Overview
This adapter is a dual-port network card supporting both InfiniBand FDR (Fourteen Data Rate) and 40 Gb Ethernet, intended for use in HPE ProLiant servers. It addresses workloads requiring low latency and high throughput, such as clustering, HPC fabric, or storage back-end networks. It installs via the 544+ FlexibleLOM (FLR) interface inside supported servers. Its management and firmware are integrated with HPE's server infrastructure tools.
Key Features
Supports both InfiniBand FDR and 40 GbE in one card
Dual QSFP ports with 40 Gb throughput per port
FlexibleLOM (FLR) form factor for internal server installation
Typical power consumption ~13.6 W, maximum ~14.2 W
Compatible with HPE server management and firmware toolchain
Technical Specifications
| Parameter | Value |
|---|
| Brand | HPE |
| Part Number | P37219-B21 |
| Product Type | InfiniBand / Ethernet adapter |
| Interface / Form Factor | 544+ FlexibleLOM (FLR) |
| Ports | 2 × QSFP (Quad Small Form-factor Pluggable) |
| Maximum Data Rate per Port | 40 Gb/s (Ethernet / FDR) |
| Supported Protocols | InfiniBand FDR, Ethernet 10 GbE, 40 GbE |
| Power Consumption (Typical) | 13.6 W |
| Power Consumption (Maximum) | 14.2 W |
| Operating Temperature | 0 °C to 55 °C |
| Host Interface | Internal server FLR slot (proprietary to HPE servers) |
| Weight | Approx. 1 lb |
| Dimensions | Approx. 7 in × 8.5 in × 2 in |
| Firmware | HP InfiniBand / EN adapter firmware (Rev B2 PSID) |
| Management | Managed via HPE server tools (iLO / system utility) |
| Compatibility | Select HPE ProLiant DL/ML servers with FLR support |
| Hot Plug Support | Not intended for hot-swap (internal card) |
