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