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Black mid-tower desktop workstation in a plain chassis

HP

HP Z2 G4 Mid-Tower Workstation i9-9900K 64GB 1TB NVMe Windows 11 Pro

SKU CH-56XC-7Z6KR

A mid-tower workstation with an 8-core i9-9900K, 64GB DDR4 memory and a 1TB NVMe SSD for demanding professional workloads

  • TypeBusiness Desktops & Workstations
  • Form FactorMid Tower
  • UsageBusiness
  • ColorBlack
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • 8-core i9-9900K up to 5.0 GHz turbo handles heavy workloads
  • 64GB DDR4 2666 memory supports large datasets and multitasking
  • 1TB NVMe SSD delivers fast boot and application load times
  • Windows 11 Pro 64-bit provides modern security and management features
  • 500W 90% efficient power supply ensures stable operation under load

HP Z2 G4 Mid-Tower Workstation

This HP Z2 G4 mid-tower workstation ships new with Windows 11 Pro installed. An Intel Core i9-9900K 8-core processor runs at 3.6 GHz and reaches 5.0 GHz turbo. The system includes 64 GB of DDR4 2666 memory and a 1 TB NVMe solid-state drive.

Suited to demanding business workloads

The eight-core CPU and large memory capacity handle multi-threaded applications, data analysis and virtual machines. Integrated Intel HD Graphics 630 supports dual DisplayPort monitors without a discrete card. Buyers who need dedicated GPU compute or more than 128 GB of memory should look at other configurations.

Build-ready with 500 W efficient supply

The 500 W 90 percent efficient power supply drives the processor, memory and NVMe drive while leaving headroom for a future graphics upgrade. Four occupied DIMM slots mean any memory expansion requires replacing modules. Two DisplayPort outputs and Gigabit Ethernet are available immediately.

Highlights

  • 8-core i9-9900K up to 5.0 GHz turbo handles heavy workloads
  • 64GB DDR4 2666 memory supports large datasets and multitasking
  • 1TB NVMe SSD delivers fast boot and application load times
  • Windows 11 Pro 64-bit provides modern security and management features
  • 500W 90% efficient power supply ensures stable operation under load

Specifications

SeriesZ2
ModelG4
TypeBusiness Desktops & Workstations
Form FactorMid Tower
UsageBusiness
ColorBlack
MonitorMonitor not included
Operating SystemWindows 11 Pro
CPU TypeIntel Core i9
CPU NameIntel Core i9-9900K
CPU Socket TypeLGA 1151
GPU/VGA TypeIntel HD Graphics 630
Memory Capacity64GB DDR4
Memory SpeedDDR4 2666
Maximum Memory Supported128 GB
SSD1 TB PCIe
HDDNo
Screen SizeNo Screen
Case FeaturesNVMe SSD

Questions about this item

Does the 500 W power supply have the 8-pin EPS connector my i9-9900K needs?

The factory 500 W unit is built for this workstation and includes the connectors required by the LGA 1151 i9-9900K and the installed components.

Can I keep my DDR4 2666 memory when I add more modules up to the 128 GB limit?

Yes, the four slots already hold 4 × 16 GB DDR4 2666 unbuffered DIMMs; additional DDR4 2666 modules will run at the same speed.

How do I confirm the 1 TB NVMe SSD is the active boot drive after setup?

Open Settings → System → Storage and verify the 1 TB PCIe NVMe device shows Windows 11 Pro installed and marked as the boot volume.

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