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. Now with preloaded HP SkyRoom software – your boarding pass to super-fast, real-time, visual collaboration direct from your desktop.

Work smarter
- Run more tasks, processes, and applications simultaneously with a workstation that brings together and optimizes the latest processors, memory, graphics, and storage technologies.
Updated design
- With a smart new chassis, quiet acoustics, and optional liquid cooling that makes the system even quieter at heavy loads, the HP Z400 showcases HP innovation—inside and out.
Designed with the environment in mind
- Minimize power and cooling costs with ENERGY STAR® qualified configurations, 85% efficient power supplies, and HP WattSaver, an HP-developed energy-saving feature that, when activated, helps lower energy consumption in off mode.
Do more every minute
- Take on bigger challenges with the new Intel® QuickPath Technology and your choice of the latest dual- or quad-core Intel® Xeon® processors.*
Latest graphics
- Drive four 3D or six 2D displays with the newest professional graphics options from NVIDIA and ATI.
Simple to service
- The tool-less chassis and uncluttered internal design simplify access and service for adding or changing components quickly.
Easy-to-use system diagnostics tool
- Quickly capture complete system configuration data and share with IT personnel with HP Vision Field Diagnostics, an easy-to-use system diagnostics tool that runs outside the OS.
| System features |
| Operating system |
Genuine Windows® 7 Professional 64-bit
Genuine Windows® 7 Professional 32-bit
Genuine Windows® 7 Ultimate 64-bit
Windows XP Professional 64-bit (available through downgrade rights from Genuine Windows® 7 Professional 64-bit)
Windows XP Professional 32-bit (available through downgrade rights from Genuine Windows® 7 Professional 32-bit)
Novell Suse SLED 11 Linux
Red Hat Enterprise Linux WS 5 (drop-in-the-box only)
HP Installer Kit for Linux
(HP Linux Installer Kit includes drivers for both 32-bit & 64-bit OS versions of Red Hat Enterprise Linux WS4 and WS5. Red Hat Enterprise Linux WS5: Software is not loaded on hard drive. URL and software license number for downloading latest version is included in box.) |
| Processor |
Intel® Xeon® Six-Core Processor W3680 (3.33 GHz, 12 MB cache, 1333 MHz memory)
Intel® Xeon® Six-Core Processor W3670 (3.20 GHz, 12 MB cache, 1333 MHz memory)
Intel® Xeon® Quad-Core Processor W3580 (3.33 GHz, 8 MB cache, 1333 MHz memory)
Intel® Xeon® Quad-Core Processor W3565 (3.20 GHz, 8 MB cache, 1066 MHz memory)
Intel® Xeon® Quad-Core Processor W3550 (3.06 GHz, 8 MB cache, 1066 MHz memory)
Intel® Xeon® Quad-Core Processor W3530 (2.80 GHz, 8 MB cache, 1066 MHz memory)
Intel® Xeon® Quad-Core Processor W3520 (2.66 GHz, 8 MB cache, 1066 MHz memory)
Intel® Xeon® Dual-Core Processor W3505 (2.53 GHz, 4 MB cache, 1066 MHz memory)
Intel® Xeon® Dual-Core Processor W3503 (2.40 GHz, 4 MB cache, 1066 MHz memory) |
| Form factor |
Convertible Minitower |
| Memory |
| Memory, maximum |
24 GB 1333 MHz DDR3 Unbuffered SDRAM
(Actual memory speed dependent on processor capability.) |
| Memory slots |
6 DIMM |
| Storage |
| Internal drive bays |
2 – 3.5-in |
| External drive bays |
3 – 5.25-in |
| Internal drive |
SATA (7200 rpm)
From: 160 GB
Up to: 2 TB
SATA (10000 rpm)
From: 160 GB
Up to: 300 GB
SAS (15000 rpm)
From: 146 GB
Up to: 600 GB
SATA SLC Solid State Drive
Up to: 160 GB |
| Storage controller |
Integrated SATA 3.0 Gb/s with RAID 0, 1, 10, 5 support. LSI 3041E 4-port SAS 3 Gb/s RAID (optional); LSI 8888ELP 8-port SAS RAID (optional) |
| Optical drive |
Blu-Ray Writer; SATA DVD-ROM; SATA DVD-/+RW SuperMulti |
| Graphics |
| Graphics |
Professional 2D
NVIDIA Quadro NVS 295 (256 MB); NVIDIA Quadro NVS 450 (512 MB); NVIDIA Quadro NVS 290 (256 MB)
Entry 3D
NVIDIA Quadro FX380 (256 MB); ATI FirePro V3700 (256 MB); NVIDIA Quadro FX580 (512 MB); ATI FirePro V3800 (512 MB); ATI FirePro V4800 (512 MB)
Midrange 3D
NVIDIA Quadro FX1800 (768 MB); ATI FirePro V5700 (512 MB); ATI FirePro V5800 (1 GB)
High-end 3D
NVIDIA Quadro FX3800 (1 GB); ATI FirePro V7750 (1 GB); NVIDIA Quadro FX4800 (1.5 GB); NVIDIA Quadro 4000 (2 GB); NVIDIA Quadro 5000 (2.5 GB); Elemental Accelerator
Software for NVIDIA Quadro |
| Expansion features |
| Ports |
8 USB 2.0
1 headphone
1 audio out
1 RJ-45 to integrated Gigabit LAN
2 microphone in
2 PS/2
1 IEEE 1394a
2 IEEE 1394a (optional)
3 IEEE 1394b (optional) |
| Slots |
2 PCIe Gen2 x16
1 PCIe Gen2 x8 mechanical (x4 electrical)
1 PCIe Gen1 x8 mechanical (x4 electrical)
2 PCI (full-height/length)
1 22-in-1 Media Card Reader (optional)
(4 internal USB 2.0 available by 2 separate 2×5 headers) |
| Communication features |
| Network interface |
Integrated Broadcom 5764 LAN
Infineon TPM 1.2 Controller
Optional Broadcom NIC
Optional Intel NIC |
| Media devices |
| Audio |
Integrated High Definition Realtek ALC262 Audio; optional Creative X-Fi Titanium PCIe Audio Card; optional HP Thin USB Powered Speakers |
| Power and operating requirements |
| Energy efficiency |
ENERGY STAR® qualified configurations available, EPEAT® registered where applicable/supported. See www.epeat.net for registration status by country. |
| Power supply |
475W 85% efficient wide ranging, active PFC |
| Dimensions and weight |
| Weight |
33.3 lb (15.1 kg) |
| Dimensions (w x d x h) |
6.6 x 17.9 x 17.7 in (16.79 x 45.53 x 45.02 cm) |
| What’s included |
| Security management |
Padlock Support (standard – padlock optional)
Cable Lock Support (standard – cable optional)
Serial, Parallel, USB Enable/Disable (standard)
Removable Media Write/Boot Control (standard)
Power-On Password (standard)
Setup Password (standard)
Universal Chassis Clamp Lock (optional)
Kensington Cable Lock (optional)
Smart Cover Solenoid Lock (optional)
Chassis Intrusion Sensor (optional) |
| Warranty |
Protected by HP Services, including a 3 years parts, 3 years labor, and 3 years onsite service (3/3/3) standard warranty. Certain restrictions and exclusions apply. |
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