Description The Compaq ProLiant 6500 is the powerful standards-based server with breakthrough high-availability optimized for 7x24 multi-server, rackmount environments. The ProLiant 6500 packs 1-4 Pentium Pro processors with the latest high availability features including PCI Hot Plug in a slim 7U design. With a planned upgrade to Intel's next generation processor technology the ProLiant 6500 provides the performance you need today and in the future.The Compaq Hot Plug DC Power Supply hot plug capability implemented in this Proliant 6500 allows customers to change a failed power supply unit without powering down the server when multiple power supplies are installed in a server. The DC output green LED on each DC module will change color when the power supply reaches a failed condition.