SKU: D4CU2PA
HP Z4 Rack G5 Workstation (B20X9AV)
- Storage
- 1 TB
- Graphics
- NVIDIA® RTX™ A1000
- Memory
- 128 GB DDR5-4800 MT/s ECC (2 x 64 GB)
- Processor
- Xeon® w5
Contact us for pricing
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 | 199896738712 |
|---|---|
| Product type | Workstations |
| UNSPSC code | 43211515 |
Processor
| Chipset | Intel® W790 |
|---|---|
| Processor Brand | Intel® |
| Processor cache | 30 MB L3 |
| Processor family | Intel® Xeon® W processor |
| Processor frequency technology | Intel® Turbo Boost Technology |
| Processor maximum frequency | 4.7 GHz |
| Processor model | 2545 |
| Processor core | 12 |
| Processor | Intel® Xeon® W5-2545 (up to 4.7 GHz with Intel® Turbo Boost Technology, 30 MB L3 cache, 12 cores, 24 threads) |
| Processor threads | 24 |
| Processor type | Intel Xeon Twelve Core |
Memory
| Graphics card memory size | 8 GB |
|---|---|
| Graphics card memory type | GDDR6 |
| ECC memory | ECC |
| Memory layout (slots & size) | 2 x 64 GB |
| Memory module type | DIMM |
| Memory size | 128 GB |
| Memory Slots | 4 DIMM |
| Number of memory slots | 2 |
| Memory speed | 4800 MT/s |
| RAM (GB) | 128 |
| Memory type | DDR5 |
| Memory | 128 GB DDR5-4800 MT/s ECC (2 x 64 GB) |
| Standard memory note | Transfer rates up to 4800 MT/s. |
Storage
| Storage | 1 TB |
|---|---|
| Internal drive bays | Two (2.5) 6.35 cm M.2 or one (3.5) 8.89 cm SATA |
| Internal Storage | 1 TB HP Z Turbo Drive PCIe® Gen4 TLC M.2 SSD |
| Storage interface | PCIe® Gen 4 |
| Memory and storage | 128 GB memory;1 TB SSD storage |
Graphics
| Graphics | NVIDIA® RTX™ A1000 |
|---|---|
| Graphics (discrete) | NVIDIA RTX™ A1000 (8 GB GDDR6 dedicated) |
Camera and audio
| Audio | Realtek ALC3205-CG |
|---|
Keyboard and input
| Keyboard | HP USB 320K Keyboard |
|---|---|
| Pointing device | HP Wired 320M Mouse |
Ports
| Ports | 4 USB Type-A 5Gbps signaling rate (1 charging); 1 headset connector, 2 USB Type-A 5Gbps signaling rate; 1 RJ-45 |
|---|
Software
| Operating system | Windows 11 Pro |
|---|---|
| Available software | HP Smart Support |
| Software included | HP PC Hardware Diagnostics UEFI; HP Performance Advisor; HP Support Assistant; HP PC Hardware Diagnostics Windows; HP Privacy Settings; HP Desktop Support Utilities; HP Manageability Integration Kit; HP Notifications; HP Anyware; HP Data Science Stack; HP Services Scan; HP Data Science Stack Manager; myHP |
Copy and scan
| 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) | 4.3 x 43.8 x 65.6 cm (without rack mounting ears) |
|---|---|
| Weight | Starting at 9.5 kg (without rack rails); Starting at 12.5 kg (with rack rails) |
| Weight note (metric) | Exact weight depends on configuration. |
Sustainability
| Environmental certification | EPEAT® registered |
|---|
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. |
|---|---|
| Support service included | HP 5 year Onsite HE Workstation Support. For terms and conditions, please visit https://h20195.www2.hp.com/v2/GetPDF.aspx/4AA8-2300EEIN & https://www8.hp.com/h20195/v2/getpdf.aspx/4AA5-7123EEIN.pdf |
Other
| Power | 1350 W internal redundant power supply, up to 90% efficiency, active PFC |
|---|---|
| Registration required | No |
| Series name | HP Z4 Rack G5 |
| Sub brand | Z |
| Expansion slots | 2 M.2 PCIe 4 x4; 1 PCIe 5 x16 mechanical (x8 electrical); 1 PCIe 5 x8 mechanical (x8 electrical); 1 PCIe 5 x16 mechanical (x8 or x16 electrical) |
| I/O Port location | Front |
| Network interface type | LAN |
| Network interface | Integrated Intel® I219-LM GbE |
| External drive bays | Two (2.5) 6.35 cm M.2 |
| Form factor | 1U rackable workstation |
| Model Number | RTX™ A1000 |
| Headline | Accelerating advanced AI in-house |
| Key selling point | This 1U workstation packs impressive power for advanced VFX, 3D modeling, and rendering. Get an Intel® Xeon® W-series CPU,[1] support for entry or high-end graphics, and large memory configurations, all with room to upgrade and expand. |
| Image legal disclaimer | Product image may differ from actual product |
| Legal disclaimer [01] | [3] 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, the Intel logo, vPro, and Core Inside are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. Bluetooth is a trademark of its proprietor, used by HP Inc. under license. USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum. Adobe PDF is a trademark of Adobe Systems Incorporated. ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. DisplayPort™ and the DisplayPort™ logo are trademarks owned by the Video Electronics Standards Association (VESA®) in the United States and other countries. NVIDIA, the NVIDIA logo are trademarks and/or registered trademarks of NVIDIA Corporation in the US. and other countries. Bluetooth is a trademark of its proprietor and used by HP Inc. under license. AMD and Radeon are trademarks of Advanced Micro Devices, Inc. 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 |
| Overview | Empower a flexible workforce with Z by HP pro-level performance in a high-density 1U footprint. Specifically designed to pack more units in a single rack, this slim powerhouse delivers the performance your team needs. All with the ability to upgrade and expand as compute demands evolve. |
| Company | HPI |
| Code name | Winter Ice |
| Product long name | HP Z4 Rack G5 Workstation |
| Product long name specifications | HP Z4 Rack G5 Workstation, Windows 11 Pro, Intel® Xeon® w5, 128GB RAM, 1TB SSD, NVIDIA® RTX™ A1000, AI Workstation |
| Product short name specifications | HP Z4 Rack G5 Workstation, Intel® Xeon® w5, 128GB RAM, 1TB SSD, AI Workstation |
| Replacement product number | CB6R4PT |
| Security management | 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; HP Sure Start; HP Sure Recover; Self-Encrypted Drives |
| Management features | HP Anyware Remote System Controller; HP Client Management Script Library (download); HP Cloud Recovery; HP Driver Packs; HP Image Assistant Gen5 (download) |
| Product classification flag | Standard HP Product |
| Tangible flag | Y |
| Material Type for item | FERT |
Notes and footnotes
- PCIe slots 2 and 3 only come standard if the configuration demands them. Otherwise, they are an optional add-on feature via the Dual Slot Riser, which can be configured CTO or aftermarket.
- [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.
- [2] Applies to HP PCs, Workstations and Displays manufactured after January 2019. Based on most Gold and Silver EPEAT® registrations by meeting all required criteria and achieving 50-74% of the optional points for EPEAT® Silver and 75-100% of the optional points for EPEAT® Gold according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
- [3] Applies to HP PCs, Workstations and Displays manufactured after January 2019. Based on most Gold and Silver EPEAT® registrations by meeting all required criteria and achieving 50-74% of the optional points for EPEAT® Silver and 75-100% of the optional points for EPEAT® Gold according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
- [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 is automatically updated and enabled. High speed internet and Microsoft account required. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com.
- [4] Recycled plastic content percentage is based on the definition set in the IEEE 1680.1-2018 EPEAT standard.
- [2] Note: For detailed Linux® OS/hardware support information, see: http://www.hp.com/support/linux_hardware_matrix .
- [3] 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] Intel vPro® requires Windows 10 Pro 64 bit or higher, a vPro supported processor, vPro enabled chipset, vPro enabled wired LAN and/or Wi-Fi 6E WLAN and TPM 2.0. Some functionality requires additional 3rd part software in order to run. Features of vPro® Essentials and Enterprise vary. See http://intel.com/vpro.
- [5] For hard drives and solid state drives, 1 GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 35 GB of system disk is reserved for system recovery software.
- [6] (3.5) 8.89 cm drive bay can be configured with a carrier to support two (2.5) 6.35 cm drives. (2.5) 6.35 cm drives sold separately. (2.5) 6.35 cm drive bays support up to 2 M.2 drives with addition of HP 2.5 in Dual Drive Cage Adapter.
- [7] Intel® Turbo Boost performance varies depending on hardware, software and overall system configuration. See http://www.intel.com/technology/turboboost/ for more information.
- [8] Optional or add-on feature.
- [9] Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. EPEAT® status varies by country. Visit www.epeat.net for more information.
- [10] 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 .
- [11] HP Support Assistant requires Windows and Internet access.
- [12] HP Manageability Integration Kit can be downloaded from http://www8.hp.com/us/en/ads/clientmanagement/overview.html .
- [13] HP Sure Click requires Windows 10 or 11 Pro or higher. See https://bit.ly/2PrLT6A_SureClick for complete details.
- [14] HP Sure Start requires Windows 10 or 11 or higher.
- [15] 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.
- [16] HP Sure Sense requires Windows 10 or 11 Pro or Enterprise and higher.
- [17] HP Sure Run Gen5 requires Windows 1o or 11 Pro or higher.
- [18] 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.
- [19] 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™.
- [20] HP BIOSphere Gen6 features may vary depending on the platform and configurations.
- [21] 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.
- [22] 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 .
- [7] Applies to HP PCs, Workstations and Displays manufactured after January 2019. Based on most Gold and Silver EPEAT® registrations by meeting all required criteria and achieving 50-74% of the optional points for EPEAT® Silver and 75-100% of the optional points for EPEAT® Gold according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
- [24] Intel® Turbo Boost performance varies depending on hardware, software and overall system configuration. See www.intel.com/technology/turboboost for more information.
- [25] Internet service required and sold separately.
- [26] Network access required. HP Anyware software and licensing are available through a 1- or 3-year subscription. Renewal is required after the subscription term. HP Anyware subscriptions are based on the number of concurrent PCoIP connections used (pay for the number of host connections, not the software) with a minimum order quantity of 5. For a limited time, an HP Anyware Professional subscription also includes access and support for ZCentral Remote Boost and ZCentral Connect and is available for purchase through an HP reseller or contact sales at hp.com/Anyware. ZCentral Remote Boost Sender requires Windows 10 and 11, RHEL/CentOS (7 or 8), or UBUNTU 18.04 or 20.04 LTS operating systems. macOS (10.14 or newer) operating system and ThinPro 7.2 are only supported on the receiver side. ZCentral Connect requires Windows (10 or 11) or Windows Server (2016 or 2019) operating system, Microsoft Active Directory and Intel Active Management Technology for select features. For system requirements and to install HP Anyware and Anyware Manager, refer to the Admin Guides at: https://docs.teradici.com/find/product/hp-anyware.
- [27] Z by HP Data Science Stack Manager requires Windows 10 version 21H2 (Build 19044) and higher or 64-bit Ubuntu 20.04 and is available on select Z workstations.
- [28] HP Anyware Remote System Controller is an optional feature.
- [29] Internet access required. Automation of tasks and viewing system information only available with select Z desktop workstations, see datasheet for details. Fleet management and viewing of consolidated reports from all devices requires HP Anyware Remote System Management. HP Anyware Integrated Remote System Controller not compatible with Z2 Mini platforms and not recommended for non-Z devices. HP service and support not available for non-Z devices. Full suite of hardware alerts available with select Z desktop workstations. See datasheet for details.
- [30] myHP requires Windows OS.
- [31] HP Cloud Recovery is available for Z by HP, HP Elite and Pro desktops and laptops PCs with Intel® or AMD processors and requires an open, wired network connection. Note: You must back up important files, data, photos, videos, etc. before use to avoid loss of data. For details, please refer to: https://support.hp.com/us-en/document/c05115630 .
- [32] 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.
