Workstation Z2 G1i Tower - Core Ultra 9 285K - 64GB RAM - 1TB SSD - Win11 Pro

Introduction

Mainstream workstation performance—reimagined
Experience new levels of performance for professional workflows. The HP Z2 Tower AI workstation is reengineered to support high-end graphics and seamlessly run both single and multi-threaded apps for fast modeling, simulation, and rendering. Enjoy easy expandability to upgrade, when needs evolve.

Neural processor unit (NPU)

Neural processor unit (NPU)

Intel AI Boost

Sparsity support

Yes

Windows Studio effects support

Yes

AI software frameworks supported by NPU

DirectML, OpenVINO, Windows ML, ONNX RT, WebNN

Total processor performance up to

36 TOPs

GPU performance up to

8 TOPs

NPU performance up to

13 TOPs

Sparsity support

Yes

Windows Studio effects support

Yes

AI software frameworks supported by NPU

DirectML, OpenVINO, Windows ML, ONNX RT, WebNN

Total processor performance up to

36 TOPs

GPU performance up to

8 TOPs

Storage

Number of storage drives installed

1

Total storage capacity

1 TB

Storage media

SSD

Optical drive type

No

Total SSDs capacity

1 TB

Number of SSDs installed

1

SSD capacity

1 TB

SSD memory type

TLC

SSD interface

PCI Express 4.0

NVMe

Yes

SSD form factor

M.2

Total storage capacity

1 TB

Storage media

SSD

Optical drive type

No

Total SSDs capacity

1 TB

Number of SSDs installed

1

SSD capacity

1 TB

SSD memory type

TLC

SSD interface

PCI Express 4.0

NVMe

Yes

SSD form factor

M.2

Graphics

Discrete graphics card

Yes

On-board graphics card

Yes

Number of discrete graphics cards

1

On-board graphics card family

Intel Graphics

On-board GPU manufacturer

Intel

Discrete GPU manufacturer

NVIDIA

Discrete graphics card model

NVIDIA RTX 4000 Ada

Discrete graphics card memory

20 GB

Discrete graphics memory type

GDDR6

On-board graphics card model

Intel Graphics

Network

Ethernet LAN

Yes

Wi-Fi

Yes

Bluetooth

Yes

Ethernet LAN data rates

10,100,1000 Mbit/s

Cabling technology

10/100/1000Base-T(X)

Top Wi-Fi standard

Wi-Fi 7 (802.11be)

Ethernet LAN data rates

10,100,1000 Mbit/s

Cabling technology

10/100/1000Base-T(X)

Bluetooth

Yes

WLAN controller manufacturer

Intel

WLAN controller model

Intel Wi-Fi 7 BE200

Antenna type

2x2

Bluetooth version

5.4

Wi-Fi standards

Wi-Fi 7 (802.11be)

Processor

Processor generation

Intel Core Ultra (Series 2)

Performance cores

8

Efficient cores

16

Performance-core Max Turbo Frequency

5.5 GHz

Efficient-core Max Turbo Frequency

4.6 GHz

Performance-core base frequency

3.7 GHz

Efficient-core base frequency

3.2 GHz

Processor base power

125 W

Maximum turbo power

250 W

Processor generation

Intel Core Ultra (Series 2)

Performance cores

8

Efficient cores

16

Performance-core Max Turbo Frequency

5.5 GHz

Efficient-core Max Turbo Frequency

4.6 GHz

Performance-core base frequency

3.7 GHz

Efficient-core base frequency

3.2 GHz

Processor base power

125 W

Maximum turbo power

250 W

Processor manufacturer

Intel

Processor family

Intel Core Ultra 9

Processor model

285K

Processor cores

24

Processor threads

24

Processor boost frequency

5.7 GHz

Processor cache

36 MB

Processor cache type

Smart Cache

Memory

Maximum internal memory

128 GB

Memory slots

3x DIMM

Memory data transfer rate

5600 MT/s

Maximum internal memory

64 GB

Memory slots

3x DIMM

Memory module type

UDIMM

Memory data transfer rate

5600 MT/s

Internal memory

64 GB

Internal memory type

DDR5-SDRAM

Memory layout (slots x size)

2 x 32 GB

Memory clock speed

5600 MHz

Non-ECC

Yes

Design

Chassis type

Tower

Colour name

Black

Product colour

Black

Placement supported

Vertical

Number of 5.25" bays

1

Country of origin

Czech Republic

Placement supported

Vertical

Number of 5.25" bays

1

Product colour

Black

Intel® vPro™ Platform Eligibility

No

Performance

Market positioning

Performance

Password protection

Yes

Product type

Workstation

Audio chip

Realtek ALC3205

Password protection type

BIOS, Power on, User

Motherboard chipset

Intel W880

Software

Operating system installed

Windows 11 Pro

Brand-specific features

HP Artificial Intelligence

AI PC, AI Workstation

HP segment

Business

HP Support Assistant

Yes

HP GTIN (EAN/UPC)

199485052915

HP Support Assistant

Yes

Ports & interfaces

USB 2.0 ports quantity

3

USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity

6

USB 3.2 Gen 2x2 Type-C ports quantity

2

DisplayPorts quantity

2

DisplayPort version

1.4

Ethernet LAN (RJ-45) ports

1

Line-out

Yes

Line-in

Yes

Combo headphone/mic port

Yes

Microphone in

Yes

USB 2.0 ports quantity

3

DisplayPorts quantity

2

DisplayPort version

1.4

Ethernet LAN (RJ-45) ports

1

Combo headphone/mic port

Yes

Line-out

Yes

Line-in

Yes

Power

Power supply

700 W

Power supply input voltage

100 - 240 V

Power supply input frequency

50 - 60 Hz

Power supply

700 W

Power supply input voltage

100 - 240 V

Power supply input frequency

50 - 60 Hz

Weight & dimensions

Weight

8.6 kg

Package weight

12.5 kg

Width

175 mm

Depth

426 mm

Height

388 mm

Package width

590 mm

Package depth

490 mm

Package height

295 mm

Weight

8.6 kg

Packaging content

Mouse included

Yes

Mouse connectivity

Wired

Keyboard included

Yes

Mouse included

Yes

Mouse connectivity

Wired

Numeric keypad

No

Keyboard connectivity

Wired

Input device model

HP Wired 320M Mouse

Display

Display included

No

Display included

No

Sustainability

Sustainable technologies and materials

Low halogen; Bulk packaging available; 10% ITE-derived closed loop plastic; 25% ocean-bound plastic in system fans; Product Carbon Footprint; Contains at least 60% post-consumer recycled plastic; System has a QR code enabled experience where the user has access to a product portal – beginning December 2025, this is complete with product feature highlights, sustainability information, getting started guides, and direct setup and support options; New Energy Consumption dashboard available to customers providing timely carbon usage including recommended actions users can take to decrease carbon footprint

Sustainability compliance

Yes

Sustainability certificates

TCO

Sustainability compliance

Yes

Sustainable technologies and materials

Low halogen; Bulk packaging available; 10% ITE-derived closed loop plastic; 25% ocean-bound plastic in system fans; Product Carbon Footprint; Contains at least 60% post-consumer recycled plastic; System has a QR code enabled experience where the user has access to a product portal – beginning December 2025, this is complete with product feature highlights, sustainability information, getting started guides, and direct setup and support options; New Energy Consumption dashboard available to customers providing timely carbon usage including recommended actions users can take to decrease carbon footprint

Other features

Manufacturer warranty

1 year (1/1/1) limited warranty includes 1 year of parts, labor and on-site repair. Terms and conditions vary by country. Certain restrictions and exclusions apply.

Support service included

HP 3y Onsite Low End Workstation HW Supp. For terms and conditions, please visit https://h20195.www2.hp.com/v2/GetPDF.aspx/4AA5-6385EEE & https://www8.hp.com/h20195/v2/getpdf.aspx/4AA5-7123EEGB.pdf

UNSPSC-code

43211515

Logistics data

Harmonized System (HS) code

8471500000

Harmonized System (HS) code

8471500000

Expansion slots

Number of 3.5" bays

1

PCI Express x16 (Gen 4.x) slots

1

Audio

Audio chip

Realtek ALC3205

Processor special features

Intel® Turbo Boost Technology

Yes

Packaging data

Package weight

12.5 kg

Supplier features

Support service included

HP 3y Onsite Low End Workstation HW Supp. For terms and conditions, please visit https://h20195.www2.hp.com/v2/GetPDF.aspx/4AA5-6385EEE & https://www8.hp.com/h20195/v2/getpdf.aspx/4AA5-7123EEGB.pdf