HP Z1 G1i Tower Workstation Desktop PC with Intel Core Ultra 7-265, 32GB DDR5, 1TB SSD
The HP Z1 Tower G1i Workstation delivers pro-level, expandable performance designed for designing, editing, and gaming. Powered by the Intel Core Ultra 7-265 processor with 20 cores and 20 threads, this AI-ready workstation features 32GB of high-speed DDR5-5600 memory and a 1TB PCIe 4.0 NVMe SSD for rapid data access. Certified for professional applications including AutoCAD, SOLIDWORKS, and Siemens NX, the Z1 Tower G1i is built to handle complex 3D modeling, CAD design, simulation, rendering, and AI workflows with confidence.
Why Choose the HP Z1 Tower G1i Workstation?
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Intel Core Ultra 7-265 CPU: 20-core processor (8 P-cores, 12 E-cores) with up to 5.2 GHz max turbo frequency and 30 MB L3 cache for power-efficient, AI-enhanced performance
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32GB DDR5-5600 Memory: High-speed RAM with near real-time responsiveness, expandable up to 128GB for future-proofing your workflow
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1TB PCIe Gen 4 NVMe SSD: Lightning-fast M.2 2280 storage with quick boot times and data transfer speeds
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Tool-less Expandability: Easy access to upgrade memory, storage, and graphics as your needs evolve, with support for up to 10TB total storage across three M.2 slots and two 3.5-inch SATA bays
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Pro-App Certified: Tested and certified for AutoCAD, SOLIDWORKS, and Siemens NX for seamless workstation performance
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AI-Ready Architecture: Built-in NPU for efficient productivity tasks and support for discrete GPUs including NVIDIA RTX, AMD Radeon RX, and Intel Arc for AI inferencing
Professional-Grade Performance for Demanding Workflows
The Z1 Tower G1i is engineered for professionals who demand reliability. Whether you're working on 3D CAD design and BIM, real-time rendering, simulation, or game development QA, this workstation handles complex projects with ease. The Intel Core Ultra 7-265 processor unlocks performance for the next era of AI-enhanced software, while the dedicated NPU increases efficiency for everyday productivity tasks.
Flexible Connectivity & I/O
Stay connected with comprehensive I/O options designed for professional workflows:
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2 × USB-C 3.2 Gen 2x2 (20 Gb/s with 5V/3A charging)
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4 × USB-A 3.2 Gen 2 (10 Gb/s)
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2 × USB-A 3.2 Gen 1 (5 Gb/s)
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3 × USB-A 2.0 (480 Mb/s)
- 1 × HDMI 1.2
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2 × DisplayPort 2.1 (HBR)
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1 × Gigabit Ethernet (Intel I219-LM)
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Wi-Fi 7 (802.11be) and Bluetooth support available
- Configurable Flex I/O ports for future expansion
Expandable, Upgradeable Design
The HP Z1 Tower G1i features tool-less access to internal components, making it simple to upgrade as your work evolves. With room for additional M.2 NVMe SSDs, 3.5-inch SATA drives, and PCIe expansion cards, you can add specialized graphics, storage, or other components without hassle. The system supports up to 128GB DDR5 memory and up to 10TB total storage with RAID configuration options for added performance and reliability.
Built for Reliability & Sustainability
Rigorously tested through 120,000 hours of testing and military-standard testing, the Z1 Tower is built to run your heaviest workloads with confidence. HP's commitment to sustainability means this workstation contains 60% post-consumer recycled plastics, 20% recycled steel, and 100% sustainably sourced outer box packaging. It's EPEAT Gold with Climate+ certified and ENERGY STAR certified.
Advanced Cooling & Quiet Operation
Innovatively designed with smart fan control and lattice design venting, the Z1 Tower G1i stays cool and quiet even under heavy workloads. Optional phase change CPU cooling optimizes heat transfer for better performance and greater reliability than traditional liquid cooling solutions.
Ideal For
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Product Designers & Engineers: 3D modeling, simulation, and visualization
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Architects, Engineers & Construction Managers: CAD design, BIM, and technical documentation
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Creative, Media & Entertainment Professionals: 3D design, real-time rendering, and game development QA
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AI Development: Local AI inferencing and model training with discrete GPU support
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Data Analysis: Processing large datasets with high-speed memory and storage
What's in the Box
- HP Z1 Tower G1i Desktop PC
- USB Keyboard
- USB Mouse
- Power Cord
- Documentation
Full Specifications
Processor
| CPU |
Intel Core Ultra 7-265 (20 cores: 8 P-cores + 12 E-cores, 20 threads) |
| Base Frequency |
2.4 GHz P-core base, 1.8 GHz E-core base |
| Max Turbo Frequency |
Up to 5.2 GHz P-core, up to 4.6 GHz E-core |
| Cache |
30 MB L3 cache |
| Graphics |
Integrated Intel Graphics |
| NPU |
Built-in Neural Processing Unit for AI tasks |
Memory
| RAM |
32GB DDR5-5600 (2 × 16GB dual channel) |
| Maximum Memory |
Up to 128GB DDR5-5600 |
| Memory Slots |
4 DIMM slots (customer accessible/upgradeable) |
Storage
| Primary Storage |
1TB M.2 2280 PCIe Gen 4 NVMe SSD |
| Total Storage Capacity |
Up to 10TB (3 × M.2 NVMe + 2 × 3.5-inch SATA HDD) |
| RAID Support |
Yes, for added performance and reliability |
Graphics & Display
| Integrated Graphics |
Intel Integrated Graphics |
| Discrete Graphics |
Optional NVIDIA RTX, AMD Radeon RX, or Intel Arc GPUs (configurable) |
| Display Support |
Up to 8 displays via native video ports, configurable Flex I/O port, and discrete graphics |
| Video Ports |
1 × HDMI 1.2, 2 × DisplayPort 2.1 (HBR) |
Connectivity & I/O
| USB-C 3.2 Gen 2x2 |
2 ports (20 Gb/s, 5V/3A charging) |
| USB-A 3.2 Gen 2 |
4 ports (10 Gb/s) |
| USB-A 3.2 Gen 1 |
2 ports (5 Gb/s) |
| USB-A 2.0 |
3 ports (480 Mb/s) |
| Ethernet |
1 × Gigabit Ethernet (Intel I219-LM) |
| Wireless |
Optional Wi-Fi 7 (802.11be) and Bluetooth |
| Audio |
Integrated HD Audio, Realtek ALC chipset, stereo out |
| Flex I/O Ports |
Up to 2 configurable ports with 9 I/O options |
Security
| Security Chip |
TPM 2.0 (Trusted Platform Module), Common Criteria EAL4+ certified, FIPS 140-2 Level 2 |
| Security Features |
HP Wolf Security for Business, HP Sure Start, HP Sure Sense, HP Sure Admin, Endpoint Security Controller, Secured-Core PC |
Power & Environment
| Power Supply |
500W, 80 PLUS Platinum certified (91/93/90% efficiency at 20/50/100% load) |
| Energy Efficiency |
ENERGY STAR certified |
| Operating Temperature |
41°F to 131°F (5°C to 55°C) |
Software & Certifications
| Operating System |
Windows 11 Pro (64-bit), pre-installed |
| ISV Certifications |
AutoCAD, SOLIDWORKS, Siemens NX certified |
| Environmental Certifications |
EPEAT Gold with Climate+, ENERGY STAR, TCO Gen 10, GS, CE, RoHS |
Physical Specifications
| Form Factor |
Tower |
| Chassis Type |
Tool-less access design |
| Weight |
Varies by configuration |
Warranty & Support
| Warranty |
3-year manufacturer warranty (standard) |
| Spare Parts Availability |
Up to 5 years after end of production |
Specifications are sourced from the manufacturer product page and may be updated.
