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HP

HP Z2 G4 Mid-Tower Workstation i7-9700 16GB 4TB NVMe Quadro RTX 4000 8GB Windows 11 Pro

SKU CH-Q5G5-T2S18

Mid-tower workstation with Intel Core i7-9700 8-core processor, 16GB DDR4 2666MHz memory, 4TB NVMe SSD, and NVIDIA Quadro RTX 4000 8GB graphics

  • Screen sizeNo Screen
  • ProcessorIntel Core i7
  • RAM capacity16 GB DDR4
  • SSD storage4 TB PCIe
  • GraphicsNVIDIA Quadro RTX 4000
  • CPU modelIntel Core i7-9700
  • 8-core i7-9700 up to 4.7 GHz turbo handles heavy workloads
  • Quadro RTX 4000 with 8 GB GDDR6 drives professional graphics
  • 4 TB NVMe SSD provides fast high-capacity storage
  • 16 GB DDR4 2666 MHz memory expandable to 128 GB
  • 500 W 90 % efficient power supply delivers stable energy

HP Z2 G4 Mid-Tower Workstation

The HP Z2 G4 is a mid-tower workstation built for professionals who need certified graphics and reliable compute in a standard desktop footprint. It ships with an Intel Core i7-9700 eight-core processor, 16GB of DDR4 2666MHz memory and a 4TB NVMe SSD. The NVIDIA Quadro RTX 4000 with 8GB GDDR6 drives multi-display workflows via three DisplayPort 1.4 outputs and one USB-C connector. Windows 11 Pro 64-bit is pre-installed and digitally activated.

500W 90% Efficient Power Supply Thermals

A 500W power supply rated at 90% efficiency feeds the CPU, GPU, memory and storage while keeping typical office noise low. Integrated Intel I219-LM Gigabit Ethernet and Conexant CX20632 5.1 high-definition audio add connectivity without extra cards. The mid-tower chassis provides standard airflow paths for the factory configuration, so routine CAD, rendering or simulation tasks run at modest fan speeds.

Sustained Load on Quadro RTX 4000

Under continuous GPU compute or long render jobs the Quadro RTX 4000 maintains its clock speeds within the 500W power budget, and the workstation's thermal design dissipates the resulting heat without throttling. The 4TB NVMe SSD sustains high sequential throughput for large datasets, while the 16GB DDR4 capacity can be expanded to 128GB if workloads grow. This combination suits engineers and designers who run extended batches rather than short bursts.

How it compares

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

Price $1,209.99
Pricier than about 82% of the 14,711 comparable items (median $494.99).
RAM capacity 16 GB DDR4
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 4 TB PCIe
Higher than about 91% 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 i7
CPU modelIntel Core i7-9700
CPU socketLGA 1151
Memory
RAM capacity16 GB DDR4
RAM type and speedDDR4 2666
Max supported RAM128 GB
Storage
SSD storage4 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 do I install the Nvidia Quadro RTX 4000 8GB graphics card into the mid-tower case, and what step is often missed?

Insert the card into the primary PCIe x16 slot, secure the rear bracket screw, then connect the required auxiliary power cable from the 500W supply — the power cable is the step most often forgotten.

What memory upgrades will this workstation need later, and what are the limits?

It uses DDR4 2666 unbuffered DIMMs; the board supports up to 128 GB total, so you can add matching modules to the two free slots without replacing the existing 16 GB kit.

What thermal or power limit appears first when the Intel Core i7-9700 runs at 4.7 GHz turbo under sustained load?

The 500W 90% efficient power supply and the mid-tower airflow set the practical ceiling; the CPU will throttle before the supply trips if cooling cannot dissipate the turbo heat.

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