The Most Affordable
Z Desktop
HP Z1 Tower G1i Desktop PC
Workstation performance is now within reach with a tower built for designing, editing, and even gaming. Go beyond a commercial PC with the HP Z1 Tower, delivering pro-level, expandable performance certified for pro-apps, with support for both NVIDIA RTX™ and NVIDIA GeForce RTX™ 1 graphics.
HP Z1 Tower G1i
Workstation Performance. Impressive Expandability.
Effortlessly multitask with up to an Intel® Core™ Ultra 9 CPU2 and 128GB memory3. Choose from NVIDIA GeForce RTX™ 1, NVIDIA RTX™, or AMD Radeon RX™ GPUs. Easily upgrade memory and storage as work evolves with tool-less access.
Intel® Core™ Ultra Processors2
Unleash power-efficient performance with up to an Intel® Core™ Ultra 9 CPU. This CPU not only unlocks performance for the next era of AI-enhanced software, but the dedicated NPU10 greatly increases efficiency for productivity tasks.
Choose Your Graphics4
Work seamlessly with choice of graphics: NVIDIA GeForce RTX™ 1, NVIDIA RTX™, or AMD Radeon RX™ GPUs.
Memory
Up to 128GB RAM3
High speed memory for near real-time responsiveness with up to fast data transfer speeds of up to 5600 MT/s and up to 128 GB DDR5 memory.
Storage
Up to 10TB5 Storage
Make storage simple with up to 10TB with 3 M.2 storage slots and RAID for added performance and reliability.
Power Supply
500W PSU6
Multiple PSU options, including the 500W PSU that supports the highest power CPU and GPU rich configurations.
PCIe Gen 5
PCIe Gen 57
Provide fast access for large datasets and AI models with PCIe Gen 5 high speed bandwidth.
The Workstation for Your Workflow
Specs & Resources
Z1 Tower G1i Datasheet
Z1 Tower G1i QuickSpecs
See Support Page Z1 Tower G9
Certified for Your Workflow
Work confidently knowing your Z1 Tower is tested and certified for select professional apps. We’ve worked closely with software providers on apps like AutoCAD®, SOLIDWORKS® and Siemens NX® for seamless workstation performance across your workflow.8
Expandability
Engineered to Evolve
Need to upgrade graphics? Add specialized PCIe cards? With room to expand and tool-less access, you can add components as your needs evolve.
Power AI-Accelerated Workflows
Accelerate AI inferencing and development with the Z1 Tower. Iterate and problem solve faster on your local device with a powerful discrete GPU delivering AI TOPS while a built-in NPU10 takes on productivity tasks.
Keep Cool Under
Any Workload
Innovatively designed with hardware components like smart fan control and new lattice design venting to keep your PC cool and quiet no matter how hard you push it.
Phase Change Cooling
Fans and Venting
Unthrottled Performance
Additional Features to
Elevate Your Work
Windows
Support your unique user needs with the Windows 11 Pro11 operating system.
Flexible I/O Module
Configure to the needs of today with flexibility for the future with up to two flexible I/O ports and nine I/O options.12
Wi-Fi 7
The reliability of a fast connection determines where you can work. Get a fast and reliable connection in dense wireless environments with gigabit data rate Wi-Fi 7.13,14
Reliability
The Z1 Tower undergoes 360,000 hours of rigorous testing9 and military-standard testing.15 Designed with reliability in mind, it's built to run your heaviest workloads.
Tool-less Access
Evolve your work. With tool-less access to the interior, you can customize your Z to fit your needs.
Sustainability
HP cares about the impact our products have on our people, communities, and planet. That’s why this device contains 60% recycled plastics16, 20% recycled steel17, 100% sustainably sourced outer box packaging18, and is EPEAT® Gold with Climate+.19
Need Help Finding
Your Perfect Workstation?
Software and Remote IT Solutions
HP Z Boost
Local AI Development
Access the power of one or multiple idle NVIDIA® GPUs in high performance HP Z desktop workstations for a performance boost with HP Z Boost.20 Tackle not only mainstream data science and AI workflows, but also more demanding and complex projects requiring more compute.
HP Z Remote Access Solutions
Hybridize your
Workflow
A complete hardware and software solution to power your remote, leading-edge workforce.
HP Anyware
Collaborate
Remotely
Access high-performance HP Z workstation power from anywhere with remote software.21
HP Services
Services for HP Z
Workstations
Empower your workforce with secure, seamless services for high-performance workflows.
Warranty Coverage – Data Security – Proactive Insights
More About HP Z
• AI
Built for AI
AI workstations and solutions are engineered for the most demanding tasks: generative AI, 3D modeling and animation and machine learning development.
• Sustainability
Designed with the Planet in Mind
Here's why our TCO Certified, ENERGY STAR certified and EPEAT registered HP Z portfolio helps protect our shared future.
• Security
Peace of Mind
Security is our commitment – so you can focus on driving results. Find total confidence with HP Wolf Security for Business.22
• Reliability
Rely on Your
Workstation
Work with confidence knowing your desktop has undergone MIL-STD durability15 tests for extreme environments and 360,000 hours of testing. 9
Displays and Accessories
Have a Question?
Contact Sales Support.
Follow HP Z on Social Media
Monday - Friday
7:00am - 7:30pm (CST)
Enterprise Sales Support
1-866-625-0242
Small Business Sales Support
1-866-625-0761
Monday - Friday
7:00am - 7:00pm (CST)
Government Sales Support
Federal
1-800-727-5472
State and local
1-800-727-5472
Monday - Friday
7:00am - 7:00pm (CST)
Education Sales Support
K-12 Education
1-800-727-5472
Higher Education
1-800-727-5472
Monday - Sunday
9:00am - 11:00pm (CST)
Chat with an
HP Z Live Expert
Click on the Chat to Start
Need Support for Your HP Z Workstation?
Disclaimers
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.
Product may differ from images depicted.
NVIDIA GeForce™ graphics are an add-on feature that must be configured at the time of purchase.
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 is not a measurement of clock speed. Features and software that require a NPU may require software purchase, subscription or enablement by a software or platform provider, and third-party software may have specific configuration or compatibility requirements. Performance varies by use, configuration, and other factors.
Memory is an optional feature that must be configured at purchase.
Sold separately or as an optional feature.
For storage drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 35GB of disk is reserved for system recovery software.
Optional feature that must be configured at purchase.
Optional and must be purchased at time of order.
Third party software sold separately.
HP Total Test Process testing is not a guarantee of future performance under these test conditions. Damage under the HP Total Test Process test conditions or any accidental damage requires an optional HP Accidental Damage Protection Care Pack.
Features and software that require a NPU may require software purchase, subscription or enablement by a software or platform provider, and third-party software may have specifics configuration or compatibility requirements. Performance varies by use, configuration, and other factors.
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 Pro 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.
Optional features that must be configured at purchase or are sold separately.
Wireless access point and Internet service required and sold separately. Availability of public wireless access points limited. Wi-Fi 7 (802.11BE) functionality requires compatible Windows 11 OS, compatible processor, and separately purchased Wi-Fi 7 router to support backwards compatibility with prior 802.11 specs. Available in countries where Wi-Fi 7 is supported. The specification for 802.11BE is a draft specification and is not final. If the final specification differs from the draft specification, it may affect the ability of the device to communicate with other 802.11BE devices.
Wi-Fi® supporting gigabit data rate is achievable with Wi-Fi 7 (802.11BE) when transferring files between two devices connected to the same router. Requires a wireless router, sold separately, that supports 160MHz channels.
MIL-STD-810G testing is pending and is conducted on select HP products. Testing is not intended to demonstrate fitness of U.S. Department of Defense (DoD) contract requirements or for military use. Test results are not a guarantee of future performance under these test conditions. Accidental damage requires an optional HP Accidental Damage Protection Care Pack.
Recycled plastic is expressed as a percentage of the total weight plastic. Post-consumer recycled is based on the definition set in the EPEAT standard for computers, IEEE 1680.1-2018 standard.
Recycled metal is expressed as a percentage of the total weight of the metal according to ISO 14021 definitions for metal parts over 25 grams.
HP paper and fiber based packaging for PCs, displays, home and office print, and supplies is reported by suppliers as recycled or certified, with a minimum of 97% by volume verified by HP. Packaging is the box that comes with the product and all paper-based materials inside the box. Packaging for personal systems accessories and spare parts is not included.
Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. Status varies by country. Visit www.epeat.net for more information.
Z by HP Boost requires client device with Windows 10 or Windows 11 OS and Vulkan Runtime for devices without a GPU, or WSL2 with Ubuntu 22.04 or Ubuntu 22.04 LTS or greater. Host device for sharing GPU(s) must be a Z by HP workstation with NVIDIA professional grade workstation GPU(s) of Pascal architecture or later with an installed driver version 535 or greater, and a CUDA driver version 11.2 through to 12.3, Windows 10 or Windows 11 OS (WSL is not supported), or Ubuntu 22.04 LTS or greater or Debian 11 or greater with libatomic1, libnumal1, libvulkan1, libgl1, libglib2.0-0 packages installed. Network connection required. Join waitlist to be considered for selection for early access.
HP Anyware supports Windows®, Linux® and macOS® host environments and Windows, Linux, macOS, iPad®, Android®, and Chrome OS® end-user devices. For more on the system requirements for installing HP Anyware, refer to the Admin Guides at: https://anyware.hp.com. HP Anyware uses the PCoIP® remote display protocol to communicate between the host and end-user device. HP Anyware is available through a 1- and 3-year subscription. HP Anyware subscriptions are based on the number of concurrent PCoIP connections used (pay for the number of host connections). HP Anyware subscriptions gives you a license key to activate a connection to a hosted desktop as well as support and updates to the Anyware Agents, Anyware Clients and the Anyware Manager available for download here: https://anyware.hp.com. 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 seller or by contacting sales at: hp.com/Anyware. HP Services are governed by the applicable HP terms and conditions of service provided or indicated to Customer at the time of purchase. Customer may have additional statutory rights according to applicable local laws, and such rights are not in any way affected by the HP terms and conditions of service or the HP Limited Warranty provided with your HP Product.
HP Wolf Security for Business requires Windows 10 or 11 Pro and higher, includes various HP security features and is available on HP Pro, Elite, RPOS and Workstation products. See product details for included security features.