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HP Z4 G5 Workstation Desktop PC (57K36AV)
HP Z4 G5 Workstation Desktop PC (57K36AV) HP Z4 G5 Workstation Desktop PC (57K36AV) HP Z4 G5 Workstation Desktop PC (57K36AV) HP Z4 G5 Workstation Desktop PC (57K36AV) HP Z4 G5 Workstation Desktop PC (57K36AV) HP Z4 G5 Workstation Desktop PC (57K36AV) HP Z4 G5 Workstation Desktop PC (57K36AV)

SKU: CJ1K8PA

HP Z4 G5 Workstation Desktop PC (57K36AV)

Storage
2 TB
Graphics
NVIDIA® RTX™ 2000
Memory
256 GB DDR5-4800 MT/s ECC (4 x 64 GB)
Processor
Xeon® W

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Key features

  • HP USB 320K Keyboard
  •  Full volume encryption
  • HP Secure Erase
  • Kensington lock slot
  • Secure authentication
  • TPM 2.0 certified
  • HP BIOSphere
  • HP Sure Run
  • HP Sure Click
  • HP Sure Sense
  • HP Sure Admin
  • HP Platform Certificate

Technical specifications

Product

UPC number 199764011152
Product type Workstations

Processor

Chipset Intel® W790
Processor Brand Intel®
Processor cache 26.25 MB L3
Processor family Xeon® W
Processor frequency technology Intel® Turbo Boost Technology
Processor maximum frequency 4.4 GHz
Processor model 2445

Memory

Graphics card memory size 16 GB
Graphics card memory type GDDR6
Memory layout (slots & size) 8 x 32 GB
Memory module type DIMM
Memory size 256 GB
Memory Slots 8 DIMM
Number of memory slots 8
Memory speed 4800 MT/s
RAM (GB) 256
Memory type DDR5
Memory 256 GB DDR5-4800 MT/s ECC (4 x 64 GB)
Standard memory note Transfer rates up to 4800 MT/s.

Storage

Storage 2 TB
Internal drive bays One (3.5) 8.89 cm; Four PCIe® M.2 SSD; Three (3.5) 8.89 cm HDD
Internal Storage 512 GB HP Z Turbo Drive PCIe® Gen4 TLC M.2 SSD
Hard drive (2nd) 2 TB 7200 rpm SATA HDD
Storage capacity 512 GB TB
Storage controller Integrated SATA 6.0 Gb/s; Integrated RAID 0, 1 available for SATA drives
Storage interface PCIe® Gen 4
Storage interface protocol NVMe™
Storage speed 7200
Storage type HDD;SSD
Memory and storage 256 GB memory

Display

Compatible displays All HP Z Displays and HP DreamColor Displays are supported. For more information see http://www.hp.com/go/zdisplays

Graphics

Graphics NVIDIA® RTX™ 2000
Graphics (discrete) NVIDIA RTX™ 2000 Ada Generation (16 GB GDDR6 dedicated)

Camera and audio

Audio Realtek ALC3205-CG

Keyboard and input

Keyboard HP USB 320K Keyboard
Keyboard connectivity Wired
Pointing device HP Wired 320M Mouse

Ports

Ports 4 USB Type-A 5Gbps signaling rate; 1 headphone/microphone combo, 1 RJ-45; 1 audio-in/out, 2 USB Type-C® 20Gbps signaling rate (USB Power Delivery);2 USB Type-A 5Gbps signaling rate;1 headphone/microphone combo

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Copyright notice © Copyright 2026 HP Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Physical

Dimensions (W x D x H) 16.89 x 44.45 x 38.61 cm

Package

Package dimensions (W x D x H) 31.4 x 57.2 x 56.3 cm

Sustainability

Environmental certification Low halogen; EPEAT® registered; TCO Certified
Sustainability specifications At least 40% post-consumer recycled plastic; At least 25% ITE-derived closed loop plastic; Ocean-bound plastic in system fan; At least 10% recycled metal; Plastic cushion inserts contain 80% recycled content; Molded paper pulp cushion inside box is made of 100% recycled or certified sources; Low halogen; Bulk packaging available; External power supply 90% efficiency
Energy Usage CO2e (kg) 1160.793
End of Life CO2e (kg) 2.409
Production CO2e (kg) 623.929
Total CO2e (kg) 1790.7
Transportation CO2e (kg) 3.569

Warranty and service

Manufacturer Warranty 1 year (1/1/1) limited warranty includes 1 year of parts, labor and on-site repair. Terms and conditions vary by country. Certain restrictions and exclusions apply.

Other

Power 775 W internal power supply, up to 90% efficiency, active PFC
Registration required No
Series name HP Z4 G5 Workstation
Sub brand Z
TCO Certified TCO Certified, generation 9
Expansion slots 1 PCIe 5 x16; 2 PCIe 4 x16; 2 PCIe 4 x4
I/O Port location Front Premium
Network interface Integrated Intel® I219-LM GbE
External drive bays Two NVMe™ M.2 SSD; Two (3.5) 8.89 cm HDD; Two 9.5 mm ODD
Form factor Tower
Country of origin China(ACJ)
Model Number RTX™ 2000
Headline Professional performance. Extraordinary expandability.
Key selling point Accelerate AI development and inferencing with the Z4 AI workstation, with up to 2 NVIDIA RTX™ 6000 Ada Generation GPUs[4] delivering up to 2,914 AI TOPS for advanced AI. Process proprietary data securely on a local workstation to gain insights faster.
Image legal disclaimer Product image may differ from actual product
Legal disclaimer [01] [8] 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 11 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. Microsoft Copilot requires Windows 11. Some features require an NPU. Timing and availability will be dependent on Microsoft and varies by market and device. Requires Microsoft account to log in. Where Copilot is not available, the Copilot key will lead to the Bing search engine. See http://aka.ms/WindowsAIFeatures.
Trademark information Intel, Core are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. AMD and Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. NVIDIA is trademark and/or registered trademarks of NVIDIA Corporation in the U.S. and other countries. USB Type-C® is registered trademarks of USB Implementers Forum. ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. All other trademarks are the property of their respective owners.
Segment Business
Usage Performance computing
Legal tagline HP recommends Windows 11 Pro for business
Artificial intelligence AI Workstation
Notes and footnotes
  1. Rear bulkhead access can be achieved through all slots but 2 PCIe 4 x8 are internal access only for M.2.
  2. A product carbon footprint is defined as the total amount of greenhouse gases emitted directly and indirectly by a product over its lifetime. Greenhouse gas emissions are reported as global warming potential for 100-year time horizon (GWP-100) in units of CO2 equivalence. Calculations are done in accordance with ISO 14040 & ISO 14044. Individual values may not sum to total due to rounding.
  3. [1] 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.
  4. [2] Optional, configurable features.
  5. [3] Two front accessible NVMe bays require a 5.25 bay carrier.
  6. [4] Graphics are sold separately or as an optional feature.
  7. [5] Applies to HP PCs, Workstations, and Displays manufactured after January 2019. Based on most Gold and Silver (including Climate+) EPEAT® registrations. Status varies by country. Visit www.epeat.net for more information.
  8. [2] Windows 11 Pro for Workstations and Windows 10 Pro for Workstations can be preinstalled. You may only use one version of the Windows software at a time. Switching between versions will require you to uninstall one version and install the other version. You must back up all data (files, photos, etc.) before uninstalling and installing operating systems to avoid loss of your data.
  9. [6] Recycled plastic content percentage is based on the definition set in the IEEE 1680.1-2018 EPEAT standard.
  10. [3] Note: Windows 7 and Windows 8 operating systems are not supported on this product. No Windows 7 or Windows 8 drivers will be provided on http://www.support.hp.com .
  11. [7] Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
  12. [5] Note: For detailed Linux® OS/hardware support information, see: http://www.hp.com/support/linux_hardware_matrix .
  13. [6] Multi-core 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.
  14. [7] Intel® Turbo Boost performance varies depending on hardware, software and overall system configuration. See http://www.intel.com/technology/turboboost/ for more information.
  15. [8] For storage drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 35GB (for Windows) is reserved for system recovery software.
  16. [9] 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.
  17. [10] 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.
  18. [11] HP Services Scan is provided with Windows Update on select products and will check entitlement on each hardware device to determine if an HP TechPulse-enabled service has been purchased, and will download applicable software automatically. HP TechPulse is a telemetry and analytics platform that provides critical data around devices and applications. For full system requirements or to disable this feature, please visit http://www.hpdaas.com/requirements . Not applicable in China.
  19. [13] Optional or add-on feature.
  20. [14] Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
  21. [15] TCO Certified configurations available when ENERGY STAR configurations are selected with a USB Type-C®? connector. ENERGY STAR available with a combination of high-performance CPU's, high-performance GPU's and select memory configurations.
  22. [16] External power supplies, power cords, cables and peripherals are not low halogen. Service parts obtained after purchase may not be low halogen.
  23. [17] HP Performance Advisor Software - HP Performance Advisor is ready and waiting to help you get the most out of your HP Workstation from day one—and every day after. Learn more or download at: https://www8.hp.com/us/en/workstations/performance-advisor.html .
  24. [18] HP Support Assistant requires Windows and Internet access.
  25. [19] HP Manageability Integration Kit can be downloaded from http://www8.hp.com/us/en/ads/clientmanagement/overview.html .
  26. [20] HP Sure Click requires Windows 11 Pro or Enterprise. See https://bit.ly/2PrLT6A_SureClick for complete details.
  27. [21] HP Sure Start Gen7 is available on select HP PCs and Workstations. See product specifications for availability.
  28. [22] HP Sure Recover Gen4 is available on select HP PCs and requires an open network connection. You must back up important files, data, photos, videos, etc. before using HP Sure Recover to avoid loss of data.
  29. [23] HP Sure Sense requires Windows 11 Pro or Enterprise 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.
  30. [24] HP Sure Run Gen5 is available on select HP PCs and requires Windows 10 and higher.
  31. [25] HP Sure Admin requires Windows 10 or higher, HP BIOS, HP Manageability Integration Kit from http://www.hp.com/go/clientmanagement and HP Sure Admin Local Access Authenticator smartphone app from the Android or Apple store.
  32. [26] HP Secure Erase for the methods outlined in the National Institute of Standards and Technology Special Publication 800-88 "Clear" sanitation method. HP Secure Erase does not support platforms with Intel® Optane™.
  33. [27] HP BIOSphere Gen6 features may vary depending on the platform and configurations.
  34. [28] HP Wolf Pro Security Edition is available preloaded on select SKUs, and, depending on the HP product purchased, includes a license with a term length communicated to you at purchase and in your order confirmation email. The HP Wolf Pro Security Edition software is licensed under the license terms of the HP Wolf Security Software - End-User license Agreement (EULA) that can be found at: https://support.hp.com/us-en/document/ish_3875769-3873014-16 as that EULA is modified by the following: 7. Term. Unless otherwise terminated earlier pursuant to the terms contained in this EULA, the license for the HP Wolf Pro Security Edition is effective upon 4 months after the date the HP Product was shipped by HP and will continue for the term communicated to you at purchase and in your order confirmation email (“Initial Term”). At the end of the Initial Term you may either (a) purchase a renewal license for the HP Wolf Pro Security Edition from HP.com, HP Sales or an HP Channel Partner, or (b) continue using the standard versions of HP Sure Click and HP Sure Sense at no additional cost with no future software updates or HP Support. Notwithstanding the foregoing, the license shall expire no later than one year after the fixed term of the subject license ends.
  35. [29] Front Entry version contains: 1 headset/microphone combo; 4 SuperSpeed USB Type-A 5Gbps signaling rate.
  36. [30] NVIDIA graphics cards denoting a letter "E" refer to long-life variants of the card.
  37. [31] Wi-Fi 6E requires a Wi-Fi 6E router, sold separately, to function in the 6GHz band. Availability of public wireless access points limited. Wi-Fi 6E is backwards compatible with prior 802.11 specs. And available in countries where Wi-Fi 6E is supported.
  38. [32] The NVIDIA®? Mellanox ConnectX-6 DX Dual Port 10/25GbE SFP28 NIC requires a transceiver in order to connect to a network. Transceivers sold separately.
  39. [34] Wi-Fi 6 is an optional feature that must be configured at the time of purchase. Wireless access point and Internet service required and sold separately. Availability of public wireless access points limited. Wi-Fi 6 (802.11ax) is backwards compatible with prior 802.11 specs.
  40. [35] Percentage of ocean-bound plastic contained in each component varies by product.
  41. [36] Recycled plastic content percentage is based on the definition set in the IEEE 1680.1-2018 standard.
  42. [37] 100% outer box packaging and corrugated cushions made from sustainably sourced certified and recycled fibers.
  43. [38] Fiber cushions made from 100% recycled wood fiber and organic materials.
  44. [40] Starting November 1, 2023, HP PCs with Windows require Windows to be installed on SSD. HDD can only be configured as additional data drives and not as the boot drive.
  45. [41] Available late 2023.
  46. [63] TCO Certified is an ISO 14024 Type 1 sustainability label for IT products. Compliance with all criteria is independently verified.

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