HP Z1 Tower G1i

Desktop · Intel 265 · NVIDIA RTX A400 · 32 GB

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Type Desktop
Processor Intel 265
Graphics NVIDIA RTX A400
Memory 32 GB
Storage 1 TB
os Windows 11 Pro

HP Z1 Tower G1i is a desktop PC with an Intel 265 processor, NVIDIA RTX A400 graphics, 32 GB of RAM and 1 TB of storage. It came out in 2025.

Released: 2025-05-20

Specifications

Key specs

Type: Desktop
Processor: Intel 265
Graphics: NVIDIA RTX A400
Memory: 32 GB
Storage: 1 TB
os: Windows 11 Pro
Released: 2025-05-20
Part number: A40P1ET
EAN / UPC: 0199251572531

Processor

Processor manufacturer: Intel
Processor family: Intel Core Ultra 7
Processor generation: Intel Core Ultra (Series 2)
Processor model: 265
Processor cores: 20
Processor threads: 20
Processor boost frequency: 5.3 GHz
Performance cores: 8
Efficient cores: 12
Performance-core Max Turbo Frequency: 5.2 GHz
Efficient-core Max Turbo Frequency: 4.6 GHz
Performance-core base frequency: 2.4 GHz
Efficient-core base frequency: 1.8 GHz
Processor cache: 30 MB
Processor cache type: L3
Processor base power: 65 W
Maximum turbo power: 182 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: 33 TOPs
NPU performance up to: 13 TOPs
GPU performance up to: 8 TOPs

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Memory

Internal memory: 32 GB
Maximum internal memory: 32 GB
Internal memory type: DDR5-SDRAM
Memory layout (slots x size): 1 x 32 GB
Memory slots: 4x DIMM
Memory clock speed: 5600 MHz
Memory module type: UDIMM
Non-ECC: Yes
Memory data transfer rate: 5600 MT/s

Storage

Total storage capacity: 1 TB
Storage media: SSD
Optical drive type: DVD±RW
Number of storage drives installed: 1
Total SSDs capacity: 1 TB
Number of SSDs installed: 1
SSD capacity: 1 TB
SSD interface: PCI Express 4.0
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 A400
Discrete graphics card memory: 4 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

Performance

Market positioning: Performance
Motherboard chipset: Intel® Q870
Password protection: Yes
Password protection type: BIOS, Power on
Product type: Workstation

Ports & interfaces

USB 2.0 ports quantity: 3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 4
USB 3.2 Gen 2x2 Type-C ports quantity: 2
DisplayPorts quantity: 2
DisplayPort version: 2.1
HDMI ports quantity: 2
HDMI version: 2.1
Ethernet LAN (RJ-45) ports: 1
Combo headphone/mic port: Yes
Line-out: Yes
Line-in: Yes
Microphone in: Yes

Expansion slots

Number of 3.5" bays: 2
PCI Express x1 (Gen 3.x) slots: 2
PCI Express x16 (Gen 5.x) slots: 1

Power

Power supply: 500 W
Power supply input voltage: 100 - 240 V
Power supply input frequency: 50/60 Hz

Design

Chassis type: Tower
Colour name: Black
Placement supported: Vertical
Product colour: Black
Introduction year: 2025

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): 199251983146
HP segment: Business

Audio

Audio chip: Realtek ALC3252

Weight & dimensions

Width: 337 mm
Depth: 308 mm
Height: 337 mm
Weight: 5.51 kg

Supplier 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.

Carbon footprint

Carbon emissions, manufacturing (kg of CO2e): 243.264
Carbon emissions, logistics (kg of CO2e): 1.463
Carbon emissions, end-of-life (kg of CO2e): 1.67
Total carbon emissions, w/o use phase (kg of CO2e): 54.289

Keyboard

Keyboard connectivity: Wired

Check the manufacturer's page before buying.

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About this product

The most affordable HP Z desktop workstation Workstation performance is now within reach with a tower built for designing, editing, and gaming. Go beyond a commercial PC with the HP Z1 Tower, delivering pro-level, expandable performance certified for pro-apps, with support for high-end graphics.

Datasheet (PDF)

Z1 Tower G1i vs similar desktop PCs

	HP Z1 Tower G1i	HP ProDesk 4 Tower G1i Wolf Pro Security Edition	HP E66PLEA Desktop PC	Dell Tower Plus EBT2250 Desktop PC
Type	Desktop	Desktop	Desktop	Desktop
Processor	Intel 265	Intel 265	Intel 265	Intel 265
Graphics	NVIDIA RTX A400	NVIDIA RTX A400	Intel® Graphics	NVIDIA GeForce RTX 5070
Memory	32 GB	32 GB	32 GB	32 GB
Storage	1 TB	1 TB	1 TB	1 TB
os	Windows 11 Pro	Windows 11 Pro	Windows 11 Pro	Windows 11 Pro
Released	2025	2025	2026	2025