HP Workstation Z2 G1i Tower 4U - Intel Core Ultra 9 285K 3.7 GHz - No Graphics - No RAM - No Storage - No OS

For professionals who demand uncompromising performance without the bulk of a full-sized server, the HP Workstation Z2 G1i Tower 4U strikes a rare balance. It pairs Intel's latest Core Ultra 9 285K processor with a spacious, thermally efficient 4U chassis, delivering desktop-class accessibility and workstation-grade expandability. This configuration ships without graphics, memory, storage, or an operating system, giving system integrators and IT departments complete freedom to tailor every component to their exact workflow.

Highlights

• Intel Core Ultra 9 285K processor with 24 cores and a 3.7 GHz base clock, engineered for heavy multitasking and multi-threaded applications.
• 4U tower form factor offers generous internal volume for high-end GPUs, multiple storage drives, and advanced cooling solutions.
• Tool-less access to key components simplifies upgrades and maintenance, reducing downtime in fast-paced environments.
• HP's rigorous testing ensures 24/7 reliability, backed by a heritage of workstation excellence trusted by engineers, architects, and data scientists.

In daily use

From compiling complex codebases to rendering detailed 3D scenes, the Z2 G1i Tower handles it without hesitation. The Core Ultra 9 285K's hybrid architecture intelligently balances performance and efficiency, while the 4U chassis keeps temperatures in check even under sustained loads. Since this model arrives as a barebone unit, you can install the exact GPU, RAM, and storage your projects require—no compromises, no wasted hardware. The front panel provides convenient USB ports for peripherals, and the internal layout supports multiple cooling fans for optimal airflow.

Full specifications

• Brand: HP
• Model: Z2 G1i
• Form Factor: Tower (4U)
• Processor: Intel Core Ultra 9 285K
• Processor Clock Speed: 3.7 GHz
• Graphics: None (Barebone)
• Memory: None (Barebone)
• Storage: None (Barebone)
• Operating System: None
• Product Type: Workstation
• Market Positioning: Professional

Final note

The HP Z2 G1i Tower 4U is a blank canvas for high-performance computing—a reliable foundation that lets you build the exact workstation your work demands, without paying for components you don't need.