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HP ZCentral 4R Workstation PC

The World's Most Powerful 1U Rack Workstation

For the first time ever, get Z performance in a high-density 1U footprint. This slim powerhouse lets you pack in more units—and power. 

QuickSpecs Datasheet

Designed for Your Demanding Industry Standards

Product Designers

Visualize your project anytime by moving seamlessly between 3D CAD, rendering and simulation applications.

Video Editors

Meet your tightest deadlines even when editing 4K and 8K footage. Quickly ingest files, and playback content with ultimate smoothness, so you can focus on telling your story.


Optimized for BIM and 3D CAD design. Easily manipulate 3D shapes and render near-photrealistic models in real time.

Z4 Power. 1U Form Factor.

We've packed all the performance of our best-selling Z4 into a slim, 1U design. 

Intel® Xeon® W-Series Processors

Run demanding professional apps with processors designed to handle complex, multi-threaded apps.

Large Memory Configurations

Get greater application responsiveness to tackle large workloads with quad-channel architecture providing up to 256 GB of memory.

Certified Nvidia® Quadro® Graphics

Boost your graphics power for peak performance with support for one ultra high-end or two mid-tier NVIDIA Quadro® professional graphics options.

Power Supply Options

Choose a power supply that can keep up. With an aggregated option or a redundant option, you'll have power to keep you up and running.

Simple to Upgrade

Invest only in the technology you need now, knowing you can scale over time. Get the ability to expand as the compute demands of your workforce evolve, with impressive memory capacity, space for multiple GPUs and upgradable power supply options.

Cut Costs, Not Performance. Centralize With Z.

Maximize your compute investment by centralizing a suite of ZCentral 4Rs that can be accessed remotely with HP ZCentral software. Plus, software certifications for leading apps come standard, delivering professional reliability and predictable licensing fees.

Simplify Device Management

Choose HP Device as a Service for an easy way to deploy ZCentral software and hardware with users, helping you to reduce IT costs and provide robust end-point protection. Trust HP or an authorized channel partner to monitor security on your devices.

1. Discover & Design

From consulting to assessment and solution design services, let us help you make the best IT decisions and investments.


2. Configure

Save time and increase your IT organization’s productivity when HP custom configures your devices to your specifications.


3. Deploy

Get your users up and running quickly with delivery, staging, installation, and device set-up service designed to help reduce time, risks and costs.


4. Optimize

Increase user uptime with fast resolution of device issues, OS migration, and through consulting services to optimize your PC environment.


5. Maintain

Choose from a wide range of global services for coverage, protection, and support to improve user uptime and IT cost predictability.


6. Recover & Renew

Help protect your business data with our secure end of use services, and prepare for a technology refresh that supports environmental sustainability.


Optimized to Work With HP ZCentral

Perfect for use with ZCentral. The complete hardware and software solution to power a remote workforce.

Mulitple Ports for Maximum Productivity

1. Headphone Auxiliary port
2. USB Type 3.0

3. Power
4. Ethernet ports

5. USB Type 3.0

World's Most Secure Workstation

Lock your device, identity and data down tight with advanced security features that come standard on every ZCentral 4R.

HP Sure Start Gen4

Detect firmware attacks and restore your BIOS automatically with the industry’s first self-healing BIOS.

HP Sure Run

Keep your critical applications and processes up and running—even if malware tries to shut them down.

HP Sure Sense

Prevent viruses before they happen. HP Sure Sense uses the power of deep learning AI to identify and quarantine never-before-seen malware.

Physical Security

Restrict access to drives with a front lock that keeps your data protected.

Additional Features

Long Lifecycle

Minimize how often you have to refresh your PC with a machine built for longevity. This workstation is with you for the long-term.

Operating Systems

Choose between Windows 10 Pro 64 or Linux® client operating systems. Whichever suits your needs best.

Fast Network Connections

Multiple high-speed network connections are easy with dual embedded 1x10 GbE and 1x1 GbE ports for speedy data transfers.


Install pro-grade PCIe SSD storage hardware and enhance the performance of your storage-bound apps without sacrificing standard PCIe slots.


We know you need performance you can rely on. That's why our products endure over 360,000 hours of rigorous testing and software certification.

Tool-Less Access

Upgrade quickly with tool-less access to multiple components including power supplies, fans, storage drives and memory. Expansion made easy for evolving technology needs.


Designed to be wiped down using many commonly available household disinfecting and cleaning wipes using the HP cleaning guidelines.

The World's Most Sustainable PC Portfolio

Recycled Materials. Less Packaging

We use recycled plastics in Z products, reducing waste going into oceans and landfills. We also minimize waste by allowing you to ship multiple products in one carton.

Reducing Greenhouse Gases

We've designed our products to use less energy without sacrificing performance. Z products are ENERGY STAR® certified with highly efficient power supplies and idle management.

Safer Materials

We take the health of our workers and the environment very seriously. Z products meticulously adhere to restricted substance regulations, and we select materials that meet GreenScreen® for Safer Chemicals' methodology.

Top Epeat® Certifications

EPEAT® is the world’s most stringent and comprehensive measure of product sustainability, and we are proud to offer a full portfolio of EPEAT® Gold and Silver devices.