HP Z4 G4 Workstation Specifications

Operating system
Windows 10 Pro for Workstations
Processor family
Intel® Xeon® W processor
Intel® Xeon® W2102 (2.9 GHz, 8.25 MB cache, 4 cores)
Number of processors
Intel® C422; Intel® X299
Low halogen
8 GB DDR4-2666 ECC SDRAM (1 x 8 GB) Transfer rates up to 2666 MT/s.
Memory Slots
Internal drive bays
Two 2.5" or 3.5"
External drive bays
Two 5.25"
Hard drive
1 TB 7200 rpm SATA
Additional storage
HP SD 4 Media Card Reader (optional)
Storage controller
Integrated SATA 6.0 Gb/s supporting RAID 0, 1, 5, 10; Optional SAS controller supporting RAID, 0, 1, 10 for SAS drives
Compatible displays
All HP Z Displays and HP DreamColor Displays are supported. For more information see www.hp.com/go/zdisplays.
Not included
I/O Port location
1 headset connector; 4 USB 3.1 (1 charging)
I/O Port location
Expansion slots
2 PCIe 3 x4, 2 M.2 PCIe 3 x4, 1 PCIe x8, 2 PCIe x16 (for Intel® Xeon® W configurations); 2 PCIe 3 x4, 1 M.2 PCIe 3 x4, 1 PCIe x8, 2 PCIe x16 (for Intel® Core™ i9-X and Core™ i7-9800X configurations); 2 PCIe 3 x4, 1 M.2 PCIe 3 x4, 1 PCIe x8 (mechanical only), 1 PCIe x16 (x8 electrical), 1 PCIe x16 (for other Intel® Core™ i7-X configurations)
Realtek HD ALC221
465 W internal power supply, up to 90% efficiency, active PFC
Minimum dimensions (W x D x H)
15.2 x 6.65 x 17.5 in
Starting at 22.4 lb
Weight note (imperial)
Exact weight depends on configuration.
Software included
HP ProtectTools Security; HP Remote Graphics Software (RGS)
HP Performance Advisor; HP Remote Graphics Software (RGS)
Pointing device
HP USB Optical Mouse
Security management
Full volume encryption; HP Keyed Cable Lock Kit; HP Secure Erase; HP Sure Start Gen3; Kensington lock slot; Secure authentication; TPM 2.0 certified; HP Device Access Manager; HP Sure Click; HP BIOSphere Gen3; HP Client Security Manager Gen3; HP MIK/SCCM Gen2; Self Encrypting Drive (SED)
Protected by HP Services, including a 3 years parts, 3 years labor, and 3 years onsite service (3-3-3) standard limited warranty. Certain restrictions. 24/7 operation will not void the HP warranty.

[1] Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com.

[2] Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your hardware and software configurations. Intel’s numbering, branding and/or naming is not a measurement of higher performance.

[3] Some Intel® vPro™ functionality of this technology, such as Intel® Active management technology and Intel Virtualization technology, requires additional 3rd party software in order to run. Availability of future "virtual appliances" applications for Intel vPro technology is dependent on 3rd party software providers. Microsoft Windows required. Intel vPro is supported only with Intel® Xeon™ configurations.

[4] For hard drives and solid state drives, 1 GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30 GB of system disk is reserved for system recovery software.

[5] Duplication of copyrighted material is strictly prohibited. Actual speeds may vary. Double Layer media compatibility will widely vary with some home DVD players and DVD-ROM drives. Note that DVD-RAM cannot read or write to 2.6GB Single Sided/5.2 Double Sided-Version 1.0 Media. No support for DVD RAM.

[6] With Blu-Ray, certain disc, digital connection, compatibility and/or performance issues may arise, and do not constitute defects in the product. Flawless playback on all systems is not guaranteed. In order for some Blu-ray titles to play, they may require a DVI or HDMI digital connection and your display may require HDCP support. HD-DVD movies cannot be played on this Desktop PC.

[7] HP Client Security Manager G3 - Requires Windows and Intel® 7th or 8th generation processors.

[8] For systems installed with Microsoft Windows 7 (Ultimate, Enterprise or Professional), the maximum accessible system memory is 192 GB. Windows 7 is not supported on the Intel® Core XTM - Series processor configurations. Windows 7 is not supported on the Intel® Core XTM - Series processor configurations. For systems installed with Microsoft Windows 8.x (Enterprise or Pro), the maximum accessible system memory is 512 GB.

[9] Wireless access point and Internet access required. Availability of public wireless access points limited. The specifications for the 802.11ac WLAN are draft specifications and are not final. If the final specifications differ from the draft specifications, it may affect the ability of the notebook to communicate with other 802.11ac WLAN devices.

[10] Optional or add-on feature.

[11] Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.

[12] External power supplies, power cords, cables and peripherals are not low halogen. Service parts obtained after purchase may not be low halogen.

[13] HP Remote Graphics Software requires network connection. Performance dependent on network latency and image frame content.

[14] HP BIOSphere G3 requires Intel® 7th generation processors.

[15] HP Secure Erase: For the methods outlined in the National Institute of Standards and Technology Special Publication 800-88 "Clear" sanitation method.

[16] Each bay is configurable to 2.5” or 3.5”.

[17] HP MIK/SCCM - HP Manageability Integration Kit can be downloaded from http://www.hp.com/go/clientmanagement.

[18] HP Keyed Cable Lock Kit is available only as an aftermarket option.

[19] NVIDIA® Quadro® SYNC II sold separately

[20] I210-AT, I219-V are available in Intel® Xeon® configurations only.

[21] In accordance with Microsoft’s support policy, HP does not support the Windows 8 or Windows 7 operating system on products configured with Intel and AMD 7th generation and forward processors or provide any Windows 8 or Windows 7 drivers on http://www.support.hp.com.

[22] 465W and 750W power supply options are only available for Intel® Xeon® configurations.

[23] Supported only on Intel ® Xeon® configurations: Not supported with Intel® Core XTM processor configurations.

[24] Available on Intel® Xeon® W processor configurations only.

[25] Available on Intel® Core™ i7X-Series processor configurations only.

[26] Choice of Intel Core X processor family will affect other configuration choices and system feature set availability; refer to the product Quickspecs for details.

[27] Intel® C422 for Intel® Xeon® configurations, Intel® X299 for Intel® Core™ X configurations.

[28] HP Sure Click is available on most HP PCs and supports Microsoft® Internet Explorer, Google Chrome, and Chromium™. Supported attachments include Microsoft Office (Word, Excel, PowerPoint) and PDF files in read only mode, when Microsoft Office or Adobe Acrobat are installed.

[29] Intel® Turbo Boost technology requires a PC with a processor with Intel Turbo Boost capability. Intel Turbo Boost performance varies depending on hardware, software and overall system configuration. See www.intel.com/technology/turboboost for more information.

[30] Your product does not support Windows 8 or Windows 7. In accordance with Microsoft’s support policy, HP does not support the Windows® 8 or Windows 7 operating system on products configured with Intel® and AMD 7th generation and forward processors or provide any Windows® 8 or Windows 7 drivers on http://www.support.hp.com

[31] HP Performance Advisor – Internet access required.

[32] For detailed Linux® OS/hardware support information, see: http/www.hp.com/linux_hardware_matrix