HP Z1 Tower G1i Desktop PC Workstation
The HP Z1 Tower G1i is an entry-level workstation desktop built for professionals who demand reliable performance for CAD, 3D modelling, content creation, and even gaming. Powered by the Intel Core Ultra 5-235 processor with 14 cores and up to 5.0 GHz boost frequency, this tower delivers power-efficient multitasking with an integrated NPU for AI acceleration. Paired with 16GB DDR5-5600 memory and a fast 512GB PCIe NVMe SSD, the Z1 G1i handles complex projects with ease and room to grow.
Why You'll Love the HP Z1 Tower G1i
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Intel Core Ultra 5-235 processor: 14-core CPU (6 P-cores, 8 E-cores) with up to 5.0 GHz Turbo Boost and 24 MB cache for professional workflows
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AI-ready NPU: Integrated neural processing unit delivers up to 13 TOPS for AI-enhanced productivity tasks
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16GB DDR5-5600 memory: High-speed DDR5 RAM ensures near real-time responsiveness and smooth multitasking, expandable to 128GB
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512GB PCIe NVMe SSD: Ultra-fast solid state storage with support for up to three M.2 slots and RAID configurations
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Certified for professional applications: Tested and certified for AutoCAD, SOLIDWORKS, and Siemens NX for seamless CAD and 3D workflows
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Tool-less upgradability: Easy internal access for memory, storage, and GPU upgrades to evolve with your workload
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Sustainable design: Contains 60% recycled plastics, 20% recycled steel, and EPEAT Gold with Climate+ certification
Built for Professional Workflows
The HP Z1 Tower G1i workstation goes beyond a commercial PC with pro-level expandable performance and certified reliability for demanding workflows. Whether you're working in product design, architecture, engineering, or content creation, the Z1 G1i is built to handle CAD design, BIM, 3D modelling, real-time rendering, simulation, and game development QA. The tower supports NVIDIA RTX, AMD Radeon RX, and Intel Arc GPUs (sold separately) for flexible graphics options tailored to your workload.
AI-Accelerated Performance
Powered by the latest Intel Core Ultra 5 processor, the Z1 G1i unlocks performance for the next generation of AI-enhanced software. The dedicated NPU greatly increases efficiency for productivity tasks, while optional discrete GPUs deliver AI TOPS for accelerated inferencing, machine learning, and complex data workflows.
Advanced Thermal Management
Innovatively designed with smart fan control and lattice venting, the Z1 Tower keeps your system cool and quiet no matter how hard you push it. Sensors and proprietary algorithms detect thermal loads and activate fans to prevent overheating during your toughest projects, ensuring maximum performance without throttling.
Expandable and Future-Ready
The Z1 Tower G1i is designed for evolution. With tool-less interior access, you can easily upgrade memory (up to 128GB DDR5), add storage across three M.2 2280 slots and two 3.5-inch SATA bays, and configure flexible I/O options. Multiple PCIe expansion slots support high-performance graphics cards and add-in cards for future workload demands.
Universal Connectivity
Stay connected with comprehensive I/O options designed for modern workstations:
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Front: 2 × USB-C 20Gbps (USB 3.2 Gen 2x2), 4 × USB-A 10Gbps (USB 3.2 Gen 2), 1 × headphone/microphone combo
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Rear: 2 × USB-A 5Gbps (USB 3.2 Gen 1), 3 × USB-A 2.0, 1 × HDMI 2.1, 2 × DisplayPort 2.1 (HBR3), 1 × RJ-45 Gigabit Ethernet, 1 × audio line-in/line-out
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Optional: Wi-Fi 7 (802.11BE) with gigabit data rate, Bluetooth
Reliability and Support
The HP Z1 Tower undergoes 120,000 hours of rigorous testing and military-standard MIL-STD-810G testing to ensure reliability under the heaviest workloads. Backed by HP's workstation support and certified for professional applications, the Z1 G1i is built to run mission-critical projects with confidence.
What's in the Box
- HP Z1 Tower G1i Desktop PC
- HP USB Wired Keyboard
- HP USB Wired Mouse
- Power Cord
- Quick Start Guide
- Warranty Documentation
Full Specifications
Processor & Performance
| Processor |
Intel Core Ultra 5-235 (6 P-cores + 8 E-cores, 14 threads) |
| Base Frequency |
2.9 GHz E-core / 3.4 GHz P-core |
| Max Turbo Frequency |
Up to 5.0 GHz P-core / 4.4 GHz E-core |
| Cache |
24 MB L3 |
| NPU |
Intel AI Boost (up to 13 TOPS) |
Memory & Storage
| Memory |
16GB DDR5-5600 MT/s (1 × 16GB) |
| Memory Slots |
4 DIMM slots (expandable to 128GB) |
| Storage |
512GB PCIe Gen4 NVMe M.2 SSD |
| Storage Expansion |
3 × M.2 2280 slots, 2 × 3.5-inch SATA bays |
| Max Storage Capacity |
Up to 10TB with RAID support |
Graphics
| Graphics (Standard) |
Integrated Intel Graphics |
| Graphics (Optional) |
NVIDIA RTX, AMD Radeon RX, Intel Arc (sold separately) |
| Display Outputs |
1 × HDMI 2.1, 2 × DisplayPort 2.1 (HBR3) |
Connectivity & I/O
| Front Ports |
2 × USB-C 20Gbps (3.2 Gen 2x2), 4 × USB-A 10Gbps (3.2 Gen 2), 1 × headphone/mic combo |
| Rear Ports |
2 × USB-A 5Gbps (3.2 Gen 1), 3 × USB-A 2.0, 1 × HDMI 2.1, 2 × DisplayPort 2.1, 1 × RJ-45, 1 × audio line-in/out |
| Network |
Gigabit Ethernet (10/100/1000) |
| Wireless (Optional) |
Wi-Fi 7 (802.11BE), Bluetooth |
Expansion
| PCIe Slots |
1 × PCIe 5.0 x16, 1 × PCIe 4.0 x16, 2 × PCIe 3.0 x1, 1 × M.2 2230 |
| Tool-less Access |
Yes |
Power & Environment
| Power Supply |
500W (80 PLUS certified) |
| Operating System |
Windows 11 Pro (64-bit) |
| Chipset |
Intel Q870 |
Physical & Sustainability
| Form Factor |
Tower |
| Recycled Content |
60% recycled plastics, 20% recycled steel |
| Certifications |
EPEAT Gold with Climate+, ENERGY STAR, MIL-STD-810G tested |
| Warranty |
3 years (region dependent) |
Specifications are sourced from the official manufacturer product page and may be updated.
