Detailed Specifications
HPE P49762-B21 2x400Gb OSFP InfiniBand Transceiver
Overview
The HPE P49762-B21 is an OSFP (Octal Small Form Factor Pluggable) transceiver designed for high-density, high-bandwidth networking in demanding data center and high-performance computing (HPC) environments. It addresses the need for ultra-fast, low-latency interconnects by providing two ports of 400Gb/s connectivity, supporting both InfiniBand NDR and 400 Gigabit Ethernet protocols in a single, versatile module. This dual-protocol capability offers significant flexibility for network architects designing next-generation infrastructure for AI/ML clusters and data-intensive workloads. At its core, the transceiver leverages an 8-channel 850nm VCSEL array and utilizes 100G-PAM4 electrical and optical modulation to achieve its high data rates. This design enables robust performance over multi-mode fiber, reaching up to 50 meters on OM4 fiber. The module's efficiency is highlighted by a maximum power consumption of 17 watts under full load and a low-power sleep mode of just 1.5 watts, contributing to reduced operational costs and better thermal management within densely populated switches and servers. Engineered for seamless integration, this hot-pluggable module fits into OSFP-compliant switch and adapter ports, simplifying deployment and maintenance without requiring system downtime. Its typical placement is within the core or aggregation layer of a data center network, connecting high-speed switches or linking GPU-accelerated servers. Management is handled through the host device via the CMIS 4.0 compliant interface, which provides detailed diagnostics and monitoring capabilities.
