HP 306536-001 Pentium II processor board module for legacy HP server and workstation systems. Supports single or dual Pentium II processors (up to 450 MHz), with integrated L2 cache and front-side bus connectivity. Form factor compatible with HP ProLiant and Vectra platforms requiring slot-based processor upgrades. Typical deployment in late-1990s era enterprise systems for general-purpose computing, file serving, and workgroup applications. This refurbished component has been tested and guaranteed functional; available via quote.