In addition, the HP Integrity rx7640 sports a batch of unique technologies such as: Double Chip Sparing, which immediately restores chip spare protection after a DRAM chip has failed; hard/soft/sub-core portioning capabilities that enhance consolidation initiatives; Virtual Server Environment (VSE), a fully integrated server virtualization; and a variety of specialized PCI-X & PCI EXPRESS I/O card setups for networking, storage, and legacy connectivity. An entry-level HP Integrity rx7640 package, with two processors and 4GB of memory, retails for $43,500 and comes with a 3 year limited warranty.