QLE2462 Host Bus Adapter. The QLE2462 is the industry's first, true enterprise class, 4-Gbps to PCI Express x4 HBA. The QLE2462 not only delivers unprecedented levels of performance and availability, but also intelligent networking features specific to enterprise class data centers. All QLogic HBAs are managed by SANsurfer Pro, which provides centralized management and remote control of distributed HBAs.