HP Z400 manual Systems, Installed** expected available until August

QuickSpecs				HP Z400 Workstation
Overview
	4. 3 External 5.25” Bays		9.	Rear I/O: 6 USB 2.0, PS/2 keyboard/mouse
	5. 4 DIMM Slots for DDR3 ECC Memory			1 RJ-45 to Integrated Gigabit LAN
				1 Audio Line In, 1 Audio Line Out, 1 Microphone In
	6. 2 Internal 3.5” Bays		10.	2 PCIe x16 Gen2 Slots
	7. 475W, 85% efficient Power Supply		11..	1 PCIe x4 Gen2, 1 PCIe x4 Gen1, 2 PCI Slots
	8. Dual/Quad Core Intel 3500 Series Processors		12	4 Internal USB 2.0 ports
Form Factor		Convertible Minitower
Compatible Operating		Genuine Windows Vista® Business 32-bit*
Systems		Genuine Windows Vista® Business 64-bit*
		Genuine Windows Vista® Business 32-bit with downgrade to Windows® XP Professional 32-bit custom
		installed** (expected available until August 2009)
		Genuine Windows Vista® Business 64-bit with downgrade to Windows® XP Professional x64 custom
		installed** (expected available until August 2009)
		HP Linux Installer Kit for Linux (includes drivers for both 32-bit & 64-bit OS versions of Red Hat Enterprise
		Linux WS4 and WS5 - see: http://www.hp.com/workstations/software/linux)
		Novell Suse SLED 11 (expected availability May 2009)
		*Certain Windows Vista product features require advanced or additional hardware. See
		http://www.microsoft.com/windowsvista/getready/hardwarereqs.mspx and
		http://www.microsoft.com/windowsvista/getready/capable.mspx for details. Windows Vista Upgrade
		Advisor can help you determine which features of Windows Vista will run on your computer. To
		download the tool, visit http://www.windowsvista.com/upgradeadvisor.
		**Windows Vista Business disk may also be included for future upgrade if desired. To qualify for this
		downgrade an end user must be a business (including governmental or educational institutions) and is
		expected to order at least 25 customer systems with the same custom image.
Available Processors		Intel® Xeon® Processor W3503 2.40 GHz, 4MB cache, 1066 memory, 4.8GT/s QPI, Dual-Core
		Intel Xeon Processor W3505 2.53 GHz, 4MB cache, 1066 memory, 4.8GT/s QPI, Dual-Core
		Intel Xeon Processor W3520 2.66 GHz, 8MB cache, 1066 memory, 4.8 GT/s QPI, Quad-Core, HT,
		Turbo
		Intel Xeon Processor W3540 2.93 GHz, 8MB cache, 1066 memory, 4.8 GT/s QPI, Quad-Core, HT,
		Turbo
		Intel Xeon Processor W3570 3.20 GHz, 8MB cache, 1333 memory, 6.4 GT/s QPI, Quad-Core, HT,
		Turbo
Available Processor		Intel processor numbers are not a measurement of higher performance. Processor numbers differentiate
Disclaimers		features within each processor family, not across different processor families. See:
		http://www.intel.com/products/processor_number/ for details.

64-bit computing on Intel® 64 architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers and applications enabled for Intel 64 architecture. Processor will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS. Performance will vary depending on your hardware and software configurations. See: http://www.intel.com/info/em64t for more information.

Dual-Core and Quad-Core technologies are designed to improve performance of multithreaded software products and hardware-aware multitasking operating systems and may require appropriate operating system software for full benefits; check with software provider to determine suitability; Not all customers or software applications will necessarily benefit from use of these technologies.

Intel's numbering is not a measurement of higher performance.

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