Next Working Day
On qualifying orders
UK Dispatched
Fast & reliable nationwide
Expert Support
Mon–Fri, 8 am – 6 pm
Genuine Brands
Authorised reseller
Next-working-day delivery. Order before 17:30 (England & Wales) or 16:00 (Northern Ireland, Republic of Ireland, Scotland) to receive next-working-day delivery. Orders placed before 17:30 Friday are delivered Monday; after 17:30 Friday arrive Tuesday. Upgrades — pre-9, pre-10:30, pre-noon, special and secure bulk — available at extra cost.
Orders over £100 (ex VAT) receive FREE next-working-day delivery across the UK.
Instant digital delivery. Software licences, subscriptions, warranties & insurance, and electronic copies are delivered the same day via email — provided a valid email address is entered at checkout.
This product is out of stock
We can email you when it's back in stock, confirm expected lead times, or recommend in-stock alternatives that meet the same requirements.

HP Z1 G1I U7265 16/512G W11P
- Intel Core™ Ultra 7 265 (up to 5.3 GHz with Intel Turbo Boost Technology, 30 MB L3 cache, 20 cores, 20 threads)
- Windows 11 Pro
- NVIDIA RTX™ A400 (4 GB GDDR6 dedicated)
- 16 GB DDR5-5600 MT/s (1 x 16 GB), 512 GB PCIe NVMe™ M.2 SSD
Similar Products
Overview
HP Z1 Tower G1i, Intel Core Ultra 7, 265, 16 GB, DDR5-SDRAM, 512 GB, Windows 11 Pro
Specifications
Sustainability
- Sustainable technologies and materials
- Bulk packaging available; Molded paper pulp cushion inside box is 100% sustainably sourced and recyclable; 10% ITE-derived closed loop plastic; 80 Plus Platinum power supplies available; Contains at least 60% post-consumer recycled plastic; Outside box and corrugated cushions are 100% sustainably sourced or recyclable
- Sustainability compliance
- Yes
- Sustainability certificates
- ENERGY STAR, EPEAT, TCO
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.
Keyboard
- Keyboard connectivity
- Wired
Memory
- Memory module type
- UDIMM
- Internal memory
- 16 GB GB
- Maximum internal memory
- 16 GB GB
- Internal memory type
- DDR5-SDRAM
- Memory layout (slots x size)
- 1 x 16 GB GB
- Memory slots
- 4x DIMM
- Memory clock speed
- 5600 MHz MHz
- Non-ECC
- Yes
- Memory data transfer rate
- 5600 MT/s MT/s
Brand-specific features
- HP GTIN (EAN/UPC) with options
- (ABB) 821844443064; (ABF) 199251688812; (ABU) 821844443071; (AKC) 821844443088; (BCM) 821844443095
- HP GTIN (EAN/UPC)
- 821844443071
- HP Support Assistant
- Yes
- HP Artificial Intelligence
- AI Workstation, AI PC
- HP segment
- Business
Other features
- UNSPSC-code
- 43211515
Processor
- Processor manufacturer
- Intel
- Processor model
- 265
- Processor generation
- Intel Core Ultra (Series 2)
- Processor family
- Intel Core Ultra 7
- Processor cores
- 20
- Processor threads
- 20
- Processor boost frequency
- 5.3 GHz GHz
- Performance cores
- 8
- Efficient cores
- 12
- Performance-core Max Turbo Frequency
- 5.2 GHz GHz
- Efficient-core Max Turbo Frequency
- 4.6 GHz GHz
- Performance-core base frequency
- 2.4 GHz GHz
- Efficient-core base frequency
- 1.8 GHz GHz
- Processor cache
- 30 MB MB
- Processor cache type
- L3
- Processor base power
- 65 W W
- Maximum turbo power
- 182 W 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 TOPs
- NPU performance up to
- 13 TOPs TOPs
- GPU performance up to
- 8 TOPs TOPs
Storage
- Total storage capacity
- 512 GB GB
- Optical drive type
- No
- Storage media
- SSD
- Number of storage drives installed
- 1
- Total SSDs capacity
- 512 GB GB
- Number of SSDs installed
- 1
- SSD capacity
- 512 GB GB
- SSD interface
- PCI Express
- NVMe
- Yes
- SSD form factor
- M.2
Graphics
- Discrete graphics card
- Yes
- On-board graphics card
- Yes
- Discrete graphics card model
- NVIDIA RTX A400
- On-board graphics card model
- Intel® Graphics
- Discrete GPU manufacturer
- NVIDIA
- Discrete graphics card memory
- 4 GB GB
- Discrete graphics memory type
- GDDR6
- Number of discrete graphics cards
- 1
- On-board GPU manufacturer
- Intel
- On-board graphics card family
- Intel® Graphics
Performance
- Product type
- Workstation
- Market positioning
- Performance
- Motherboard chipset
- Intel® Q870
- Password protection
- Yes
- Password protection type
- BIOS, Power on
Network
- Ethernet LAN
- Yes
- Ethernet LAN data rates
- 10,100,1000 Mbit/s Mbit/s
- Cabling technology
- 10/100/1000Base-T(X)
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
- HDMI ports quantity
- 1
- USB 3.2 Gen 2x2 Type-C ports quantity
- 2
- DisplayPorts quantity
- 2
- DisplayPort version
- 2.1
- 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
- 280 W W
- Power supply input voltage
- 100 - 240 V V
- Power supply input frequency
- 50/60 Hz Hz
Design
- Chassis type
- Tower
- Product colour
- Black
- Colour name
- Black
- Placement supported
- Vertical
- Introduction year
- 2025
- Country of origin
- Czech Republic
Software
- Operating system installed
- Windows 11 Pro
Processor special features
- Intel® Turbo Boost Technology
- Yes
Display
- Display included
- No
Audio
- Audio chip
- Realtek ALC3252
Weight & dimensions
- Width
- 337 mm mm
- Depth
- 308 mm mm
- Height
- 337 mm mm
- Weight
- 5.51 kg kg
Packaging data
- Package width
- 287 mm mm
- Package depth
- 400 mm mm
- Package height
- 499 mm mm
- Package weight
- 7.67 kg kg
Packaging content
- Mouse included
- Yes
- Mouse connectivity
- Wired
- Keyboard included
- Yes
- Numeric keypad
- No
- Input device model
- HP 125 Wired Mouse
Certificates
- Low halogen
- Yes




