HP QK725A 

B-Series 16Gb Long‑Wave SFP+ transceiver module (10 km SMF)

The HP QK725A B‑Series is a high-performance 16 Gb Fibre Channel SFP+ long‑wave transceiver module engineered for reliable, high‑bandwidth SAN connectivity over single‑mode fiber. Supporting link distances of up to 10 km, it’s ideal for connecting storage arrays, SAN switches, and between buildings in enterprise or campus environments. Engineered with an LC duplex connector and hot-pluggable SFP+ form factor, it offers easy deployment and flexible compatibility with existing fiber infrastructure. Suitable for IT professionals and storage architects, this module delivers consistent 16 Gbps throughput, backward compatibility with 8 Gb and 4 Gb Fibre Channel links, and support for digital diagnostics monitoring (DDM) to ensure stable operation in critical fiber‑optic deployments.

Features

This long‑wave transceiver module operates at a nominal wavelength of 1310 nm and supports full line rate Fibre Channel speeds up to 14.025 Gbps. It is compatible with single-mode fiber types and is optimized for long-distance optical links, with a certified reach of up to 10 km As part of the B‑Series portfolio, it supports interoperable performance with a wide range of switch and storage platforms. It supports digital diagnostics monitoring, enabling real-time reporting of internal operating parameters such as optical power and temperature. Installation is straightforward, with hot-pluggable capability and SFP+  standard form factor compatibility, enabling seamless integration into SAN environments.

Advanced Options

Designed for performance-critical SAN applications, thi stransceiver module supports full 16 Gb Fibre Channel speeds while ensuring backward compatibility with 8 Gb and 4 Gb environments. Its DFB laser and PIN photodiode receiver ensure signal integrity and low bit-error rates. DDM provides diagnostics on power levels, temperature, and more—essential for proactive monitoring in dense optical deployments. Operating from 0 °C to 70 °C, it supports typical data center temperature ranges and is certified to industry standards including MSA, FC‑PI‑5, IEC 60825‑1 laser safety, and RoHS