Processor :

• Processor frequency 2.4 GHz
• Processor family Intel® Xeon® 3000 Sequence
• Processor model W3503
• Processor manufacturer Intel
• Processor socket -
• Number of processors installed 1
• Processor cores 2
• PCI Express slots version 2.0
• Processor cache type Smart Cache
• Processor cache 4 MB
• Bus type QPI
• ECC supported by processor ✓
• System bus rate 4.8 GT/s
• Processor threads 2
• Processor lithography 45 nm
• Processor operating modes 64-bit
• Number of QPI links 1
• Maximum internal memory supported by processor 24 GB
• Memory types supported by processor DDR3-SDRAM
• Memory clock speeds supported by processor 800,1066 MHz
• Memory bandwidth supported by processor (max) 25.6 GB/s
• Thermal Design Power (TDP) 130 W

Performance :

• Motherboard chipset Intel® X58 Express
• Audio system Realtek ALC262
• Trusted Platform Module (TPM) ✓
• Product type Workstation

Memory :

• Internal memory 4 GB
• Internal memory type DDR3-SDRAM
• Memory slots 6x DIMM
• Maximum internal memory 24 GB
• Memory layout (slots x size) - GB
• Memory clock speed 1066 MHz
• Memory channels Triple-channel

Storage :

• HDD capacity 500 GB
• HDD interface SATA II
• HDD speed - RPM
• Number of HDDs installed 1
• Optical drive type -
• Card reader integrated -
• RAID support ✓
• RAID levels 0,1,5,10
• Total HDDs capacity 500 GB
• Total storage capacity 500 GB
• Storage media HDD

Ports & interfaces :

• Headphone outputs 1
• Microphone in ✓
• USB 2.0 ports quantity 8
• Serial ports quantity -
• Parallel ports quantity 0
• PS/2 ports quantity 2
• Ethernet LAN (RJ-45) ports 1
• Firewire (IEEE 1394) ports 1
• VGA (D-Sub) ports quantity -
• USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 0

Design :

• Chassis type Minitower
• Number of 3.5” bays 2
• Number of 5.25” bays 3
• Country of origin China

Expansion slots :

• PCI slots 2
• PCI Express x16 slots 2
• PCI Express x8 slots 2

Software :

• Operating system installed Windows 7 Professional
• Operating system architecture 32-bit

Power :

• Power supply 475 W

Weight & dimensions :

• Depth 455.3 mm
• Height 450.2 mm
• Width 167.9 mm
• Weight 13500 g

Processor special features :

• Intel 64 ✓
• Enhanced Intel SpeedStep Technology ✓
• Embedded options available ✗
• Intel VT-x with Extended Page Tables (EPT) ✓
• Idle States ✓
• Intel Trusted Execution Technology ✗
• Execute Disable Bit ✓
• Intel Demand Based Switching ✓
• Intel Virtualization Technology (VT-x) ✓
• Intel® Turbo Boost Technology ✗
• Intel® Hyper Threading Technology (Intel® HT Technology) ✗
• Thermal Monitoring Technologies ✗
• Intel® AES New Instructions (Intel® AES-NI) ✗
• Processor package size 42.5 x 45 mm
• Supported instruction sets SSE4.2
• Physical Address Extension (PAE) ✓
• Physical Address Extension (PAE) 36 bit
• Processor ARK ID 40800

With its revolutionary new architecture and power that will redefine multi-tasking, the HP Z400 Workstation helps you accomplish more with every minute of your time and every dollar of your investment.

Innovation that will transform the way you work

With a smart new chassis that is easy to service, optional liquid cooling, and quiet operation to blend unobtrusively into your work environment, the HP Z400 Workstation showcases HP innovation—inside and out.

• Minimize power and cooling costs with ENERGY STAR® qualified configurations featuring 85% efficient power supplies and HP WattSaver which, when activated, lowers energy consumption to less than 1 Watt in off mode.
• See, share, and show your work across the world with built-in HP SkyRoom collaboration solution which combines real-time 3D graphics sharing and video conferencing.

Performance to help you accomplish more with every minute

Take on bigger computing challenges with the new Intel® QuickPath Technology and your choice of the latest dual-, quad-, or six-core Intel® Xeon® processors.

• Run more tasks, processes, and applications simultaneously with a workstation that brings together and optimizes the latest processors, memory, graphics, and storage technologies.
• Choose from a wide range of professional graphics from NVIDIA and ATI as well as from a breadth of OS options.

Reliability derived from our legendary, confidence-inspiring quality

• Close relationships with ISVs help ensure that HP Workstations are fully certified and optimized for your applications.
• In-depth testing and quality assurance keep you productively up-and-running.
• HP Performance Advisor helps ease configuration and updates while optimizing a range of applications.
• Quickly capture complete system configuration data and share it with IT personnel with HP Vision Field Diagnostics, an easy-to-use system diagnostics tool that runs outside the OS.
• Comprehensive, lifetime HP Total Care options, easy HP financing solutions, and an array of monitors and other accessories make HP Workstations easy to own and use.