HP Z6 G G4 Workstation

Basic Information

The HP Z6 G4 Workstation is a high-performance desktop workstation designed for demanding professional tasks. It represents the fourth generation of HP's Z workstation lineup.

• Model: HP Z6 G4 Workstation
• Version: G4 (fourth generation)
• Release Date: Announced September 2017, with main models shipping in October 2017.
• Minimum Requirements: Configurable from entry-level specifications, typically including a single Intel Xeon Scalable processor, a minimum of 8GB DDR4 ECC RAM, and basic storage.
• Supported Operating Systems: Windows 11 Pro for Workstations, Windows 10 Pro for Workstations, Ubuntu 20.04 LTS, HP Linux-ready (minimal OS), Red Hat Enterprise Linux Desktop Workstation (paper license), SUSE Linux Enterprise Desktop 12, 15, Ubuntu 16.04, 18.04. It also supports Windows Server OS (2016, 2019, 2022, 2025), VMware ESXi (7.0, 8.0), Citrix XenServer, and Proxmox. Windows 7 is not officially supported with Intel 7th generation and forward processors.
• Latest Stable Version: Refers to the hardware generation, which is G4.
• End of Support Date: Not officially specified in publicly available data.
• End of Life Date: Not officially specified in publicly available data. The G5 generation was announced in April 2023.
• Auto-update Expiration Date: Not applicable to the hardware itself; dependent on the installed operating system and software.
• License Type: Typically includes a license for Windows 10 Pro for Workstations or Windows 11 Pro for Workstations. Red Hat Enterprise Linux is available with a 1-year paper license.
• Deployment Model: Tower, with options for rack-mounting.

Technical Specifications

The HP Z6 G4 Workstation offers robust and flexible configurations to meet demanding professional workloads.

• Processor: Supports single or dual Intel Xeon Scalable processors (1st and 2nd generation), including Intel Xeon Bronze, Silver, Gold, and Platinum series, as well as Intel Xeon W-3200 series. Configurations range from 4-core to 28-core per CPU, allowing for up to 56 total cores in a dual-processor setup. Thermal Design Power (TDP) can reach up to 205W.
• RAM: Features DDR4 ECC Registered DIMMs. Memory speeds include 2666 MHz and 2933 MHz, with 2933 MHz requiring Cascade Lake processors. The system supports up to 384 GB of RAM with a single CPU (6 DIMM slots) and up to 768 GB with dual CPUs (12 DIMM slots). Individual module capacities range from 4GB to 64GB. Intel Optane Data Centric Persistent Memory Modules are also supported with 2nd generation Intel Xeon Scalable Processors.
• Storage:
  • Internal Bays: Two 3.5-inch internal drive bays with tool-free carriers, compatible with 2.5-inch drives via an adapter.
  • External Bays: Two 5.25-inch external bays and one dedicated 9.5mm slim optical disc drive (ODD) bay.
  • M.2 Slots: Two dedicated M.2 slots supporting PCIe Gen3 x4 NVMe SSDs, up to 80mm in length.
  • SATA Ports: Six 6Gb/s SATA ports are available via the Intel C622 chipset.
  • Maximum Capacity: Total storage capacity can reach up to 22 TB (HDD/SSD) or up to 46 TB with various configurations including M.2 and PCIe add-in cards.
  • RAID Support: On-board SATA RAID 0, 1, 5, and 10 are supported. SAS drives require an optional PCIe host bus adapter (HBA) or RAID controller card.
• Display: No integrated display. Supports a wide range of professional graphics cards, including NVIDIA Quadro and AMD Radeon Pro series, with configurations supporting up to three 75W cards, two 180W cards, or one 250W card.
• Ports:
  • Front I/O (Entry): Four USB 3.1 Gen1 Type-A ports (one with charging capability), a combo headset/microphone jack, and an optional SD card reader.
  • Front I/O (Premium): Two USB 3.1 Gen2 Type-C ports, two USB 3.1 Gen1 Type-A ports (one with charging capability), a combo headset/microphone jack, and an optional SD card reader.
  • Rear I/O: Six USB 3.1 Gen1 Type-A ports, two Gigabit Ethernet LAN ports, audio Line-In, audio Line-Out, two PS/2 ports (for keyboard and mouse), and one serial port (via adapter).
  • Internal Ports: Includes one USB 3.0 header and two USB 2.0 headers.
  • Optional Connectivity: Dual 10 Gigabit Ethernet ports via an option module and Thunderbolt 3 technology are available.
• Operating System (Pre-installed): Typically ships with Windows 10 Pro for Workstations (64-bit) or Windows 11 Pro for Workstations. Ubuntu 20.04 LTS and HP Linux-ready options are also available.
• Dimensions: Approximately 18.5 x 17.5 x 8.5 inches (469.9 x 444.5 x 215.9 mm).
• Weight: Varies by configuration, with a minimum of 13.1 kg (29 lbs), a standard weight of 13.6 kg (30.1 lbs), and a maximum of 23.9 kg (52.7 lbs).

Analysis of Technical Specifications

The HP Z6 G4 Workstation is engineered for high-end professional applications requiring substantial computational power and data handling capabilities. Its support for single or dual Intel Xeon Scalable processors, offering up to 56 cores, positions it as a formidable machine for multi-threaded workloads such as 3D rendering, simulation, and complex data analysis. The extensive RAM capacity, up to 768 GB of ECC DDR4 memory, ensures seamless multitasking and data integrity, crucial for mission-critical applications. Storage options are highly versatile, combining traditional HDD/SSD bays with high-speed NVMe M.2 slots and optional PCIe expansion for massive data sets and rapid access. The modular design, including an optional second CPU/memory module, allows for significant scalability and future-proofing. A comprehensive array of I/O ports, including multiple USB 3.1 generations and optional 10GbE and Thunderbolt 3, provides excellent connectivity for peripherals and high-speed data transfer. The workstation's physical design also emphasizes tool-free access for upgrades and maintenance, enhancing usability. Overall, the Z6 G4's technical specifications highlight its suitability as a robust and adaptable platform for professionals in fields like engineering, media, and scientific research.

Support & Compatibility

The HP Z6 G4 Workstation offers broad compatibility and support to integrate into diverse professional environments.

• Latest Version: The hardware itself is the G4 generation.
• OS Support: Supports a wide range of operating systems including Windows 11 Pro for Workstations, Windows 10 Pro for Workstations, various Ubuntu LTS versions (20.04, 18.04, 16.04), HP Linux-ready, Red Hat Enterprise Linux Desktop Workstation, and SUSE Linux Enterprise Desktop (12, 15). It also supports server operating systems like Windows Server (2016, 2019, 2022, 2025) and virtualization platforms such as VMware ESXi (7.0, 8.0), Citrix XenServer, and Proxmox.
• End of Support Date: Official end-of-support dates are not publicly detailed for this specific hardware model. Support typically aligns with HP's broader workstation lifecycle policies.
• Localization: As an enterprise-grade product from a global manufacturer, the HP Z6 G4 Workstation supports various regional localizations for its operating systems and documentation.
• Available Drivers: HP provides a comprehensive suite of drivers for all supported operating systems. An HP Linux Installer Kit is available, which includes drivers for 64-bit versions of Red Hat Enterprise Linux, SUSE Linux Enterprise Desktop, and Ubuntu.

Analysis of Overall Support & Compatibility Status

The HP Z6 G4 Workstation demonstrates strong support and compatibility, particularly in its extensive operating system flexibility. The ability to run both Windows and multiple Linux distributions, including enterprise-grade versions and server OS, makes it highly adaptable for various professional workflows and IT infrastructures. The inclusion of virtualization platform support further enhances its utility in server-like or development environments. HP's provision of dedicated driver kits for Linux distributions underscores its commitment to open-source users. While specific end-of-support dates are not readily available, HP's reputation for long-term enterprise support suggests continued driver and firmware updates for a reasonable period post-launch. The modular and tool-free design also simplifies maintenance and upgrades, contributing to its long-term usability.

Security Status

The HP Z6 G4 Workstation integrates a suite of security features designed to protect the system, data, and user identity.

• Security Features: Includes HP Client Security Suite, HP Sure Start (a self-healing BIOS with intrusion detection), and secure authentication methods. It supports Secure Erase for permanently wiping internal storage devices. Physical security options include an optional barrel lock for the access panel, a padlock loop, and a Kensington lock slot. USB ports can be disabled in the BIOS to prevent unauthorized data transfer.
• Known Vulnerabilities: HP regularly releases security alerts and advisories for its products, which are accessible through HP Support channels.
• Blacklist Status: No general blacklist status is associated with the asset itself.
• Certifications: The workstation is TPM 2.0 certified, ensuring hardware-based security functions. It also holds environmental certifications such as ENERGY STAR, EPEAT, and TCO Certified, and is designed with low-halogen materials.
• Encryption Support: Supports full volume encryption and offers optional self-encryption drives to protect sensitive data.
• Authentication Methods: Provides secure authentication, supporting up to four separate authentication tools.
• General Recommendations: Users are recommended to utilize the built-in security features, keep the BIOS and operating system updated, and consult HP's official security advisories for the latest information.

Analysis on the Overall Security Rating

The HP Z6 G4 Workstation boasts a strong overall security rating, particularly for an enterprise-grade asset. Its comprehensive security suite, including HP Sure Start for BIOS integrity and HP Client Security Suite, provides robust protection against firmware attacks and unauthorized access. The inclusion of TPM 2.0 certification ensures a secure root of trust for cryptographic operations and platform integrity. Physical security measures like the Kensington lock slot and optional barrel lock deter theft and tampering. The ability to disable USB ports in the BIOS and support for full volume encryption and self-encrypting drives are critical for data loss prevention and compliance. While no system is entirely immune to vulnerabilities, HP's proactive approach to security alerts and advisories helps users stay informed and mitigate potential risks. This makes the Z6 G4 a highly secure platform suitable for handling sensitive data and critical workloads in professional environments.

Performance & Benchmarks

The HP Z6 G4 Workstation is engineered for high performance in demanding professional applications.

• Benchmark Scores: Specific benchmark scores are not consistently provided in the available public data, as performance varies significantly with configuration.
• Real-world Performance Metrics: The workstation is described as a "beast," "workhorse," and "powerful" machine, capable of handling complex workloads, large datasets, and resource-intensive applications. It is ideal for 3D rendering, animation, video editing, simulation, visual effects (VFX), and design visualization. It delivers breakthrough performance for photorealistic design, modeling, and content creation in real-time.
• Power Consumption: Equipped with a 1000W power supply, which is up to 90% efficient. Typical heat dissipation is 2467 btu/hr, with a maximum of 4112 btu/hr. In sleep mode (S3), power consumption is less than or equal to 20W.
• Carbon Footprint: Configurations are available that are ENERGY STAR certified, EPEAT registered, and TCO Certified. The workstation uses low-halogen materials, reflecting HP's commitment to environmental sustainability.
• Comparison with Similar Assets: The HP Z6 G4 is positioned as the second most powerful desktop workstation in HP's G4 lineup, just below the Z8 G4. It serves as the successor to the HP Z640, offering enhanced performance and new functionalities.

Analysis of the Overall Performance Status

The HP Z6 G4 Workstation delivers exceptional performance, making it a top-tier choice for professionals. Its ability to accommodate up to two Intel Xeon Scalable processors with a high core count and massive amounts of ECC RAM ensures it excels in computationally intensive tasks and multi-threaded applications. The flexible storage architecture, particularly with NVMe M.2 options, provides rapid data access crucial for large files and demanding software. While specific benchmark figures are not universally published due to the highly configurable nature of workstations, the consistent descriptions of its real-world capabilities across various sources confirm its robust performance for creative, engineering, and scientific fields. The 90% efficient 1000W power supply supports high-end components, including multiple professional GPUs, ensuring stable power delivery for peak performance. Its environmental certifications also indicate a focus on energy efficiency alongside raw power.

User Reviews & Feedback

User reviews and feedback for the HP Z6 G4 Workstation generally highlight its strong capabilities and suitability for professional use.

• Strengths: Users frequently praise its powerful performance, versatility, and expandability, particularly its ability to handle demanding workloads in fields like 3D rendering, video editing, and engineering. The robust processing power, advanced graphics support, and flexible storage options are consistently noted as significant advantages. Its reliable operation, quiet acoustics, and tool-free design for easy maintenance and upgrades are also appreciated. The comprehensive security features are a strong point for enterprise users.
• Weaknesses: Some users note that certain components, such as fans and connectors, can be proprietary, potentially complicating replacements or upgrades with non-HP parts. Depending on the configuration and workload, the system can generate noticeable noise. For users with less demanding needs, the workstation might be considered overkill.
• Recommended Use Cases: The workstation is highly recommended for professionals in engineering, architecture, media, entertainment, finance, and healthcare. It is ideal for tasks such as complex simulations, 3D rendering, animation, video editing, visual effects (VFX), design visualization, and any application requiring significant computational power and data handling.

Summary

The HP Z6 G4 Workstation stands as a powerful, versatile, and highly expandable computing solution tailored for demanding professional environments. Released in late 2017, it is a fourth-generation HP Z workstation designed to tackle intensive workloads across various industries, including engineering, media, and scientific research.

Strengths: The Z6 G4 excels with its robust processing capabilities, supporting single or dual Intel Xeon Scalable processors with up to 56 cores and a substantial 768 GB of ECC DDR4 RAM, ensuring exceptional performance for multi-threaded applications and data integrity. Its flexible storage architecture, featuring multiple drive bays, M.2 NVMe slots, and RAID support, allows for massive data storage and rapid access. The workstation offers broad operating system compatibility, including Windows, various Linux distributions, and virtualization platforms, making it highly adaptable. Furthermore, its comprehensive security features, such as HP Sure Start and TPM 2.0, provide robust protection for sensitive data and system integrity. The tool-free design and modularity enhance ease of maintenance and upgradeability.

Weaknesses: Some users report that proprietary components can limit customization or replacement options. Depending on the configuration and workload, noise levels may be a concern for some users. While powerful, it may be an over-specification for less intensive tasks.

Recommendations: The HP Z6 G4 Workstation is an excellent choice for professionals requiring a high-performance, reliable, and secure platform for intensive computational tasks, 3D content creation, data analysis, and scientific simulations. Its scalability ensures it can adapt to evolving workload demands. For optimal performance and security, users should leverage its extensive configuration options and integrated security features, and ensure regular updates of the operating system and drivers.

Information provided is based on publicly available data and may vary depending on specific device configurations. For up-to-date information, please consult official manufacturer resources.