HPEP23665-H21

InfiniBand HDR100 / Ethernet 100Gb 1-Port QSFP56 Adapter

The HPEP23665-H21 is a high-performance 1-port InfiniBand HDR100 and Ethernet 100 Gb Adapterbased on MellanoxConnectX-6 technology. Designed for HPC clusters and enterprise data centers, it offers ultra-low latency and full-duplex 100 Gbps throughput. Suited for latency-sensitive workloads like AI training, high-speed storage access, and cluster interconnects, this Adapterfeatures a QSFP56 interface compatible with DAC or AOC cabling. Its low-profile PCIe 4.0 ×8 bracket makes it ideal for space-constrained server environments. Whether deployed with HPEProLiant DL Gen10/Gen10 Plus or Apollo platforms, it ensures predictable performance with advanced offloading and scalability features.

Features

This Adapterdelivers line-rate InfiniBand HDR100 or Ethernet 100 Gb connectivity via a QSFP56 port, supporting both direct attach copper (DAC) and active optical cable (AOC). Its PCI Express Gen4 ×8 interface enables maximal throughput with low latency, making it suitable for high-bandwidth inter-server or server-to-switch links. With built-in hardware offloads×such as MPI tag matching, rendezvous, and adaptive routing×the Adapterreduces CPU utilization, boosting performance for HPC or virtualization workloads. Its plug-and-play architecture and compatibility with major server models simplify deployment in modern clusters and data center networks.

Advanced Options

Engineered for reliability in mission-critical HPC and enterprise environments, this Adapterachieves full 100 Gbps line rate with sub-microsecond latency when paired with HDR switches. The PCIe Gen4 ×8 interface ensures consistent bandwidth while minimizing CPU overhead through advanced offload engines. Hardware support for MPI tag matching, rendezvous, and adaptive routing enhances cluster communication and fault resilience.

Product Key Features

• 1 × 100 Gbps InfiniBand HDR100 or Ethernet via QSFP56
  

• PCIe Gen4 ×8 low-profile bracket for high throughput
  

• Supports DAC and AOC cabling for flexible connectivity
  

• Hardware offload (MPI, adaptive routing) for low CPU overhead
  

• Compatible with HPEProLiant Gen10/Gen10 Plus and Apollo systems
  

• Ultra-low sub-microsecond latency performance

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Reliability & Performance

The QSFP56 port design enables both copper and optical cable options for flexible deployment. Built to fit into space-constrained racks via a low-profile bracket, the module supports hot-plug insertion and low power consumption. Tested across ProLiant Gen10 systems and Apollo architectures, it delivers hassle-free integration, robust throughput, and long-term data center stability.

Key Features :

• • Single-port 100 Gbps InfiniBand HDR100 or Ethernet via QSFP56

  • PCIe Gen4 ×8 interface, low-profile form factor

  • Supports DAC and AOC cables

  • Hardware offloads including MPI and adaptive routing

  • Low-latency performance for HPC and enterprise clusters

  • Compatible across HPEProLiant Gen10/Gen10 Plus and Apollo servers

Specification	Details
Model Number	P23665-H21
Product Type	InfiniBand HDR100 / Ethernet 100Gb Adapter
Port Configuration	1 × QSFP56
Bus Interface	PCI Express Gen4 ×8
Data Rate	100 Gbps full-duplex
Supported Protocols	InfiniBand HDR100, Ethernet 100GBase-X
Cable Types Supported	DAC and AOC
Offloading Features	MPI tag matching, rendezvous, adaptive routing
Latency	Sub-microsecond
Form Factor	Low-profile PCIe plug-in Adapter
Power Consumption	~15 W typical
Compatible Servers	HPEProLiant DL Gen10/Gen10 Plus, Apollo Gen10 systems
Weight	~0.23 kg (0.51 lb)
Dimensions	Low-profile bracket length; approx. standard LP card size