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Black mid-tower workstation chassis with front panel ports and ventilation

HP

HP Z2 G4 Workstation i5-9500 64GB 1TB NVMe RTX 4000 8GB Windows 11 Pro

SKU CH-5A8S-SHCF4

Mid-tower workstation with 6-core Intel Core i5-9500, 64GB DDR4, 1TB NVMe SSD and NVIDIA Quadro RTX 4000 8GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Core i5
  • RAM capacity64 GB DDR4
  • SSD storage1 TB PCIe
  • GraphicsNVIDIA Quadro RTX 4000
  • CPU modelIntel Core i5-9500
  • 6-core i5-9500 reaches 4.4 GHz turbo for responsive modelling
  • 64 GB DDR4 2666 MHz handles large assemblies without swapping
  • 1 TB NVMe SSD loads projects and assets in seconds
  • Quadro RTX 4000 8 GB GDDR6 drives certified professional graphics
  • 500 W 90 % efficient supply keeps power stable under load

Workstation Power and Memory

The HP Z2 G4 mid-tower workstation combines a six-core Intel Core i5-9500 processor running at 3.0 GHz with a 4.4 GHz turbo frequency and 64 GB of DDR4 2666 memory. A 1 TB NVMe SSD and an NVIDIA Quadro RTX 4000 graphics card with 8 GB GDDR6 provide fast storage and professional visual computing. Windows 11 Pro is pre-installed for immediate deployment.

Thermals and Power Efficiency

A 500 W power supply rated at 90 percent efficiency delivers stable power to the CPU, GPU and memory while limiting waste heat. The mid-tower chassis uses directed airflow to keep the six-core processor and the Quadro RTX 4000 at safe operating temperatures during sustained workloads. Acoustic output remains low enough for quiet office environments.

Build Integration and Expansion

Four memory slots are populated with 16 GB modules, leaving room to reach the 128 GB maximum if larger DIMMs are installed later. The Quadro RTX 4000 offers three DisplayPort 1.4 connectors and one USB-C video output for multi-display setups. Integrated Gigabit Ethernet and 5.1 high-definition audio handle networking and sound without add-in cards. The M.2 NVMe slot is occupied, so additional storage would require a 2.5-inch or 3.5-inch drive bay.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $1,080.99
Pricier than about 79% of the 14,711 comparable items (median $494.99).
RAM capacity 64 GB DDR4
Higher than about 90% of the 13,125 comparable items (median 16 GB).
SSD storage 1 TB PCIe
Higher than about 60% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Product lineZ2
Model nameG4
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Product colorBlack
Processor
ProcessorIntel Core i5
CPU modelIntel Core i5-9500
CPU socketLGA 1151
Memory
RAM capacity64 GB DDR4
RAM type and speedDDR4 2666
Max supported RAM128 GB
Storage
SSD storage1 TB PCIe
Hard driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsNVIDIA Quadro RTX 4000
Size & build
Form factorMid Tower
In the box
Included monitorNot included
Software
Operating systemWindows 11 Pro

Questions about this item

How is the NVIDIA Quadro RTX 4000 installed in the Z2 G4 mid-tower, and what step is often missed?

The card seats in the primary PCIe x16 slot and needs the 8-pin power connector from the 500W supply; builders often forget to plug in that auxiliary power lead.

What maintenance or replacement will the 64GB DDR4 2666 memory configuration need later?

The four 16 GB unbuffered DIMMs fill all slots; expanding to the 128 GB maximum means replacing the full set rather than adding modules.

What limit appears first on the RTX 4000 8GB during sustained heavy workloads?

The 8 GB GDDR6 frame buffer fills before the GPU compute units saturate, forcing texture swaps that slow extended rendering sessions.

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