In addition, the HP Integrity rx6600 comes chockfull of features such as easy management tools, serviceability capabilities, and an option of either 8 PCI-X slots, 8 PCI EXPRESS slots, or 4 PCI EXPRESS alongside 4 PCI-X slots. Like its peer, the Integrity rx6600 supports HP-UX 11i, OpenVMS, Microsoft Windows Server (Enterprise/Datacenter), and Linux (Red Hat Enterprise, Novell SUSE Enterprise, & AS/ES 4). The HP Integrity rx6600 retails from anywhere between $6,000 to $38,000 depending on the specifics chosen (e.g. RAM, Drives, etc), and comes with a 3 year limited warranty.