HP Z2 Tower G1i, Intel Core Ultra 9, 285K, 64 GB, DDR5-SDRAM, 2 TB, Windows 11 Pro

Processor
Processor manufacturer: Intel
Processor family: Intel Core Ultra 9
Processor generation: Intel Core Ultra (Series 2)
Processor model: 285K
Processor cores: 24
Processor threads: 24
Processor boost frequency: 5.7 GHz
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 cache: 36 MB
Processor cache type: L3
Processor base power: 125 W
Maximum turbo power: 250 W
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
NPU performance up to: 13 TOPs
GPU performance up to: 8 TOPs
Memory
Internal memory: 64 GB
Maximum internal memory: 128 GB
Internal memory type: DDR5-SDRAM
Memory layout (slots x size): 2 x 32 GB
Memory clock speed: 5600 MHz
Non-ECC: Yes
Memory data transfer rate: 5600 MT/s
Storage
Total storage capacity: 2 TB
Storage media: SSD
Optical drive type: No
Number of storage drives installed: 1
Total SSDs capacity: 2 TB
Number of SSDs installed: 1
SSD capacity: 2 TB
SSD interface: PCI Express 5.0
NVMe: Yes
SSD form factor: M.2
Graphics
Discrete graphics card: Yes
Discrete GPU manufacturer: NVIDIA
On-board graphics card: Yes
Discrete graphics card model: NVIDIA RTX 4000 Ada
Discrete graphics card memory: 20 GB
Discrete graphics memory type: GDDR6
Number of discrete graphics cards: 1
On-board GPU manufacturer: Intel
On-board graphics card family: Intel® Graphics
On-board graphics card model: Intel® Graphics
Network
Ethernet LAN: Yes
Ethernet LAN data rates: 10,100,1000 Mbit/s
Cabling technology: 10/100/1000Base-T(X)
Wi-Fi: Yes
Top Wi-Fi standard: Wi-Fi 7 (802.11be)
Wi-Fi standards: Wi-Fi 7 (802.11be)
WLAN controller manufacturer: Intel
WLAN controller model: Intel Wi-Fi 7 BE200
Antenna type: 2x2
Bluetooth: Yes
Bluetooth version: 5.4
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
Microphone in: Yes
Line-out: Yes
Line-in: Yes
Combo headphone/mic port: Yes
Design
Chassis type: Tower
Colour name: Black
Placement supported: Vertical
Number of 5.25" bays: 1
Product colour: Black
Intel® vPro™ Platform Eligibility: No
Introduction year: 2025
Country of origin: Czech Republic
Performance
Market positioning: Performance
Motherboard chipset: Intel W880
Audio chip: Realtek ALC3205
Password protection: Yes
Password protection type: BIOS, Power on
Product type: Workstation
Software
Operating system installed: Windows 11 Pro
Processor special features
Intel® Turbo Boost Technology: Yes
Brand-specific features
HP Support Assistant: Yes
HP Artificial Intelligence: AI Workstation, AI PC
HP GTIN (EAN/UPC): 199251982903
HP segment: Business
Power
Power supply: 700 W
Power supply input voltage: 100 - 240 V
Power supply input frequency: 50 - 60 Hz
Certificates
Low halogen: Yes
Sustainability
Sustainability compliance: Yes
Sustainability certificates: ENERGY STAR, EPEAT, TCO
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
Weight & dimensions
Width: 175 mm
Depth: 426 mm
Height: 175 mm
Weight: 8.6 kg
Packaging data
Package width: 590 mm
Package depth: 490 mm
Package height: 295 mm
Package weight: 12.5 kg
Logistics data
Harmonized System (HS) code: 8471500000
Carbon footprint
Total carbon footprint (kg of CO2e): 630
Carbon emissions, manufacturing (kg of CO2e): 311
Carbon emissions, logistics (kg of CO2e): 6
Carbon emissions, end-of-life (kg of CO2e): 2
Total carbon emissions, w/o use phase (kg of CO2e): 315
Display
Display included: No
Other features
UNSPSC-code: 43211515
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 NBD Onsite WS Bundling. 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