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HP 9U278UP#ABA Z4 G5 Rack-mountable Workstation - Intel Xeon w3-2425 Hexa-core 3 GHz - 16 GB DDR5 ECC Registered - Intel W790 Chipset - Serial ATA/600
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Product Features
Technical Overview
At the core of the Z4 G5 is the Intel Xeon w3-2425 processor, a hexa-core CPU operating at 3 GHz with 12 threads, providing reliable performance for parallel processing tasks. The processor interfaces with the system via Socket LGA-4677 and is supported by Intel's W790 chipset, which manages memory, storage, and peripheral connectivity with enterprise-grade reliability.
Memory architecture utilizes DDR5 SDRAM with ECC and registered signal processing, reducing single-bit errors and improving signal integrity in multi-DIMM configurations. The four memory slots allow straightforward expansion up to the 256 GB maximum, accommodating growing workload demands without platform replacement.
Relevant factors for this section include Number of Processors Supported, Number of Processors Installed, Processor Type, Chipset Manufacturer. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This workstation combines rack-optimized design with professional-grade components to deliver consistent performance in space-constrained environments. The system's architecture prioritizes data integrity and expansion capability, making it suitable for deployment in server rooms, data centers, or lab settings where reliability and form factor are critical.
Enterprise Storage Flexibility
Serial ATA/600 and NVMe controllers support both traditional and high-speed storage devices, with hardware RAID 0, 1, 5, and 10 providing options for performance optimization, data protection, or balanced configurations.
- Hardware RAID support
- NVMe for low-latency storage
- SATA/600 for cost-effective capacity
Rack-Optimized Design
The 1U rack-mountable form factor maximizes density in standard server racks while maintaining accessibility to ports and expansion slots. This design reduces clutter and simplifies cable management in multi-system deployments.
- 1U height (1.68")
- Standard 19" rack width
- Front-accessible connectivity
Deployment / Use Cases
The HP Z4 G5 Workstation is engineered for environments where computational power must coexist with space efficiency. Its rack-mountable design and professional component selection make it ideal for centralized computing resources in research facilities, financial modeling departments, and media production studios.
In engineering and design workflows, the system's Xeon processor and ECC memory ensure accuracy in simulation and rendering tasks. For data analysis applications, the RAID-capable storage controllers allow configurations that balance I/O performance with data protection, while Gigabit Ethernet maintains high-throughput network connectivity for collaborative projects.
Technical Computing Hub
Deploy as a shared resource for CAD, finite element analysis, or computational fluid dynamics, where multiple users require access to validated hardware with error-correcting memory and stable storage.
Data Center Workload Consolidation
Install in standard server racks alongside storage arrays and networking equipment, providing dedicated processing nodes for virtualized environments, database servers, or batch processing queues.
Physical Profile
Designed for rack deployment, the workstation measures 1.68" (42.67 mm) in height, 18.96" (481.58 mm) in width, and 25.80" (655.32 mm) in depth, conforming to standard 1U server rack dimensions. The 26.68 lb (12.1 kg) weight reflects a robust internal construction with adequate cooling for continuous operation. Front-panel connectivity includes USB ports for peripheral access without requiring rack extension.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.68" (42.67 mm), 18.96" (481.58 mm), 25.80" (655.32 mm), 26.68 lb (12100 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 18.96" (481.58 mm)
- Depth
- 25.80" (655.32 mm)
- Height
- 1.68" (42.67 mm)
- Weight
- 26.68 lb (12100 g)
Highlights
- Intel Xeon w3-2425 hexa-core processor @ 3 GHz with 12 threads
- 16 GB DDR5 ECC registered memory, expandable to 256 GB across 4 slots
- Intel W790 chipset for enterprise-grade stability and I/O management
- Serial ATA/600 and NVMe storage controllers with hardware RAID 0,1,5,10 support
- 1U rack-mountable form factor (1.68" H x 18.96" W x 25.80" D)
- Gigabit Ethernet for high-speed network connectivity
- 10 USB ports total, including 3 onboard USB 2.0 ports
- Dual-voltage power supply (120 V AC / 230 V AC) for global deployment
- EPEAT Gold, Energy Star, TCO Certified, and RoHS/WEEE compliant
Specifications
| Specifications | |
|---|---|
| Manufacturer | HP Inc. |
| Manufacturer Part Number | 9U278UP#ABA |
| Brand Name | HP |
| Product Series | Z4 G5 |
| Product Name | Z4 Rack G5 Workstation |
| Product Type | Workstation |
| Processor | |
| Number of Processors Supported | 1 |
| Number of Processors Installed | 1 |
| Processor Type | Xeon |
| Processor Model | w3-2425 |
| Processor Core | Hexa-core (6 Core) |
| Processor Threads | 12 |
| Processor Speed | 3 GHz |
| Processor Socket | Socket LGA-4677 |
| Chipset | |
| Chipset Manufacturer | Intel |
| Chipset Model | W790 |
| Memory | |
| Standard Memory | 16 GB |
| Maximum Memory Supported | 256 GB |
| Memory Technology | DDR5 SDRAM |
| Total Number of Memory Slots | 4 |
| Error Checking | ECC |
| Signal Processing | Registered |
| Controllers | |
| Controller Type | Serial ATA/600,NVMe |
| RAID Supported | Yes |
| RAID Levels | 0, 1, 5, 10 |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Interfaces/Ports | |
| Total Number of USB Ports | 10 |
| Number of Onboard USB 2.0 Ports | 3 |
| Power Description | |
| Input Voltage | 120 V AC,230 V AC |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Height | 1.68" (42.67 mm) |
| Width | 18.96" (481.58 mm) |
| Depth | 25.80" (655.32 mm) |
| Weight (Approximate) | 26.68 lb (12100 g) |
| Miscellaneous | |
| Energy Star | Yes |
| Environmentally Friendly | Yes |
| Environmental Certification | Electronic Product Environmental Assessment Tool Gold (EPEAT Gold) |
| Energy Efficiency Certification | China Energy Conservation Program (CECP) |
| Energy Efficiency Compliance | Energy-related Products Directive (ErP) |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| TCO Certified | Yes |
User Manual
FAQ
What processor does this HP workstation use?
This HP Z4 G5 Workstation features an Intel Xeon w3-2425 hexa-core processor operating at 3 GHz. The Xeon processor provides 12 threads for parallel task handling and includes enterprise features like built-in security and remote management capabilities suitable for business environments.
How much memory is installed and what type is it?
The workstation comes with 16 GB of DDR5 SDRAM installed. This memory utilizes ECC (Error-Correcting Code) and registered signal processing, which helps prevent data corruption and improves stability in memory-intensive applications. The system has four memory slots supporting expansion up to 256 GB total capacity.
What storage controllers and RAID options are available?
This workstation includes both Serial ATA/600 and NVMe storage controllers. It supports hardware RAID configurations at levels 0, 1, 5, and 10, allowing you to optimize for performance, redundancy, or a balance of both depending on your storage requirements and data protection needs.
What are the physical dimensions and form factor?
The HP Z4 G5 has a rack-mountable form factor measuring 1.68 inches in height, 18.96 inches in width, and 25.80 inches in depth. This 1U design allows installation in standard server racks, making efficient use of space in data center environments while maintaining accessibility to ports and expansion capabilities.
What connectivity options does this workstation offer?
Connectivity includes Gigabit Ethernet for network access and 10 USB ports total, with 3 of these being USB 2.0 ports located onboard. The dual-voltage power supply (120 V AC / 230 V AC) supports deployment in different regions, while the rack-mountable design facilitates integration with existing infrastructure.
What environmental certifications does this product have?
This workstation holds multiple environmental certifications including EPEAT Gold, Energy Star compliance, TCO Certified status, and meets RoHS and WEEE directives. It also carries the China Energy Conservation Program (CECP) certification and complies with the Energy-related Products Directive (ErP), reflecting HP's commitment to sustainable manufacturing practices.