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Large black tower workstation with DVD writer slot

HP

HP Z8 G4 Workstation — Dual Xeon Gold 6148 20-Core 2.4 GHz, 16 GB, 2 TB NVMe, RTX A5000

SKU CH-F097-5WSKS

Dual 20-core Xeon Gold 6148 CPUs at 2.4 GHz with 16 GB DDR4, 2 TB NVMe and RTX A5000 16 GB for professional rendering and simulation workloads

  • ProcessorIntel Xeon Gold
  • Installed RAM16 GB
  • Video RAM16 GB
  • Installed SSD2 TB
  • ChipsetIntel C622
  • Processor core count20-Core Processor

Graphic Type NVIDIA RTX A5000

  • Dual 20-core Xeon Gold 6148 CPUs deliver massive parallel throughput for rendering and simulation
  • RTX A5000 with 16 GB video memory accelerates 3D, AI and 8K video workflows
  • 2 TB NVMe storage provides fast project access and quick application loading
  • 24 DDR4 slots support up to 3 TB memory for large dataset processing
  • Windows 10 Pro pre-installed for immediate professional software compatibility

Dual Xeon Gold 6148 workstation

The HP Z8 G4 is a new tower workstation built around two Intel Xeon Gold 6148 processors, each running at 2.40 GHz with 20 cores. It ships with 16 GB of DDR4 memory and a 2 TB NVMe drive. The NVIDIA RTX A5000 adds 16 GB of video memory for GPU-accelerated workloads.

LGA 3647 platform limits

The dual-socket LGA 3647 board supports a maximum of two processors and 24 memory slots, allowing expansion up to 3 TB of RAM. Storage uses a Serial ATA 600 controller with RAID 0, 1 and 10 support. The PC4-2666 memory standard sets the installed memory speed.

RTX A5000 GPU decides fit

The single specification that determines suitability is the NVIDIA RTX A5000 with 16 GB of video memory. Buyers who need more GPU memory or multiple graphics cards for larger datasets must look elsewhere. The installed 16 GB of system memory is also low for the 40 available cores, so memory-intensive tasks will require an immediate upgrade.

How it compares

Measured against everything we stock in Desktop Workstation Computers, at today’s prices. Recalculated every night.

Price $3,902.99
Typical for this category: the median of 1,534 items is $2,906.49.
Installed RAM 16 GB
Lower than about 96% of the 1,387 comparable items (median 128 GB).
Video RAM 16 GB
Higher than about 70% of the 160 comparable items (median 8 GB).

Specifications

Product
Brand nameHP
Product lineZ8 G4
Product typeTower
Processor
ProcessorIntel Xeon Gold
Processor core count20-Core Processor
Processor socketLGA 3647
ChipsetIntel C622
Processor speed2.4 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM16 GB
Type of memoryPC4-2666
Maximum RAM capacity3 TB
Memory slot count24
Storage
Installed SSD2 TB
Supported RAID levelsRAID 0/1/10
Optical driveDVD +/- RW
Drive bays(4) Internal 3.5 in bays (all 4 include acoustic dampening rail assemblies). (2) External 5.25 in Bays
Graphics
Video RAM16 GB
Graphics chipNVIDIA RTX A5000
Ports & slots
Network ports2 x Ports
Expansion card slotsSlot 1: PCIe Gen3 x4 - Transforms to PCIe Gen3 x8 when 2nd CPU is installed, Slot 2: PCIe Gen3 x16, Slot 3: PCIe Gen3 x16 - Available ONLY when 2nd processor is installed, Slot 4: PCIe Gen3 x16, Slot 5: PCIe Gen3 x4, Slot 6: PCIe Gen3 x16 - Available ONLY when 2nd processor is installed, and Slot 7: PCIe Gen3 x4
Power
Hot-swap redundant PSUNo
Software
Operating systemWindows 10 Pro 64

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 16 GB DDR4 configuration or add more modules to reach the 3 TB maximum?

The system ships with 16 GB of PC4-2666 DDR4 across 24 slots, so you can start working immediately and add memory later for larger datasets.

What does the 2.40 GHz clock on the dual Xeon Gold 6148 CPUs deliver in a real workload?

Two 20-core processors at 2.40 GHz give 40 cores total, providing strong multi-thread throughput for rendering, simulation and AI training tasks.

How does the RTX A5000 connect to the Intel C622 chipset and what bandwidth does that provide?

The RTX A5000 is installed in a PCIe slot wired to the C622 chipset, giving the GPU direct access to its 16 GB video memory and the 2 TB NVMe storage.

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