The ProLiant 6500 will not transition to the next-generation ProLiant platforms, and therefore will not transition to new numbers.

The ProLiant 6500 is transitioning to the ProLiant 8500. Are 8-Ways Worth the Price? YES!!! They are nearly the same price.
      Brochure

Now featuring the Pentium III Xeon 500MHz processor, the ProLiant 6500 offers superior performance and high-availability features to keep your business running 24 hours a day, 7 days a week. You can trust your most critical database, OLTP, messaging, and web hosting needs to the latest in high-availability technology including PCI Hot Plug. The ProLiant 6500 also meets the needs for flexibility and space efficiency desired in modular rack environments.

Key Features

• The most trusted standards-based server for 7 x 24 multi-server environments with new breakthrough performance
• 7U rack-optimized design
• Industry Standard PCI Hot Plug with new push button functionality
• Supports one to four Intel Pentium^® II Xeon® or Pentium III Xeon processors
• 512-KB, 1-MB, and 2-MB L2 Cache
• ECC protected buffered EDO DIMM memory, (expandable to 4 GB)
• Six 64-bit Slots (5 PCI Hot Plug and 1 shared PCI/ISA)
• Integrated Dual-Channel Wide-Ultra SCSI-3 Adapter
• NC3131 64-bit PCI Dual Port 10/100 Controller upgradeable to Gigabit (450/500MHz) or NC3122 PCI dual port 10/100 Controller (400 MHz)
• Robust set of hot plug and redundant features including PCI Hot Plug, hot plug drive bays, redundant hot plug fans and power supplies and support for ECC memory, redundant NICs, ASR-2 and Online Recovery Server Option
• Internal Hot Plug Drive Storage of 127.4 GB with 18.2-GB 1" hard drives (127.4 GB with drive optimized cage)
• Seven 1" or five 1.6" Hot Plug Drive Bays
• Integrated Management Display (IMD) and Integrated Remote Console (IRC)
• Protected by Compaq Services, including a limited three-year parts, labor and on-site warranty¹ with optional 4 hour response. Pre-Failure Warranty¹ and Compaq Service and Support Programs available on a Worldwide basis

1. Certain restrictions and exclusions apply. Consult the Compaq Customer Support Center for details.