HP ZBook Ultra G3a Launches With 192GB Memory to Run 300B AI Models Locally

HP has announced the HP ZBook Ultra G3a, a new 16-inch mobile workstation built around local AI workloads. The laptop can be configured with up to 192GB of unified memory and 160GB of dedicated VRAM, with HP saying it can run large language models of up to 300 billion parameters locally.

Quick Answer

The HP ZBook Ultra G3a is HP’s new AI-focused mobile workstation for professionals who need to run large models and AI agents locally. It uses AMD Ryzen AI Max PRO 400-series processors, supports up to 192GB unified memory, offers up to 8TB storage, and is expected to launch in October 2026. HP has not yet announced pricing.

Current Status: HP’s New Local AI Laptop

HP announced the ZBook Ultra G3a on September 15, 2026, positioning it as a mobile workstation designed for local AI inference, professional applications and agentic workflows. The system is co-engineered with AMD and includes Perplexity Computer for supported AI workflows.

5 Key Developments

1. 300B-parameter AI models → HP says the workstation can run models up to 300 billion parameters locally.
2. 192GB unified memory → Up to 160GB can be allocated as dedicated VRAM, giving large AI workloads substantially more memory headroom.
3. AMD Ryzen AI Max PRO → The laptop uses AMD’s Ryzen AI Max PRO 400-series platform with integrated Radeon graphics and up to 55 NPU TOPS.
4. 100W performance design → HP’s new thermal system enables up to 100W of performance for demanding workloads. October availability → HP expects the ZBook Ultra G3a 16 to become available in October 2026, with pricing coming closer to launch.

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How Much Memory Does the HP ZBook Ultra G3a Have?

The HP ZBook Ultra G3a supports up to 192GB of unified memory, with up to 160GB dedicated to graphics/VRAM. This architecture is designed to let AI developers run large local models without relying entirely on cloud infrastructure.

Can It Really Run 300B AI Models Locally?

Yes, HP says the ZBook Ultra G3a is designed to support LLMs up to 300 billion parameters locally. Actual performance will depend on the model, quantization, software, configuration and workload, so the 300B figure should not be interpreted as a guarantee of a particular speed or quality of inference.

Who Is the HP ZBook Ultra G3a For?

The workstation targets AI developers, engineers, architects, designers, data scientists and other professional users running memory-intensive workloads. It also supports applications including Autodesk Revit 2027, Autodesk 3ds Max and Chaos Enscape.

What Happens Next?

HP says the ZBook Ultra G3a 16 is expected in October 2026. Pricing, final configurations and broader availability details should follow closer to launch. Independent testing will also be important for determining real-world local AI performance.

Final Take

The HP ZBook Ultra G3a pushes local AI computing into a mobile workstation with unusually high unified-memory capacity. Its headline capability is support for up to 300B-parameter models, while the 192GB memory configuration makes it particularly relevant for developers and professionals exploring large local AI workloads.

 

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FAQs

1. What is the HP ZBook Ultra G3a?

It is HP’s new 16-inch mobile workstation designed for local AI models, AI agents and demanding professional workloads.

2. How much RAM does the HP ZBook Ultra G3a support?

It supports up to 192GB of unified memory, with up to 160GB available as dedicated VRAM.

3. Can the ZBook Ultra G3a run AI models locally?

Yes. HP says it can support local LLMs of up to 300 billion parameters, depending on configuration and workload.

4. When will the HP ZBook Ultra G3a be available?

HP expects the 16-inch ZBook Ultra G3a to become available in October 2026.

5. How much does the HP ZBook Ultra G3a cost?

HP has not yet announced official pricing and says pricing will be provided closer to availability.