The HP QMH2572 8Gb Fiber Channel Host Bus Adapter for BladeSystem c-Class is a PCI Express based Type A mezzanine card. It is optimized for virtualization, low power usage, management, security, reliability, availability and serviceability. While providing leading edge 8 Gb performance, it is also backward compatible with 4 Gb and 2 Gb Fiber Channel speeds. The HP QMH2572 8Gb Fiber Channel HBA allows multiple logical (virtual) connections to share the same physical port. Each logical connection has its own resources and the ability to be managed independently. It takes advantage of the QLogic StarPower technology, ensuring a power efficient HBA. QLogic's StarPower technology offers features such as power and bandwidth optimized intelligent PCIe link training and low-power switching power supplies. It enables SAN-level authentication, fabric-level isolation, and end-to-end data integrity.