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HP Z1 G1i 2026, Core Ultra 5 235, 16GB, 1TB SSD, Black

★★★★☆ 4.0 (10)

The Intel Core Ultra 5 235 14-core processor at 5.0GHz powers heavy multitasking, paired with 16GB DDR5 5600MHz memory and a 1TB NVMe SSD for fast app loading. Its 11 USB-A ports, dual DisplayPort 2.1, and tool-less chassis make peripheral hookup and upgrades straightforward, while the 5.51kg tower stays stable on a desk. Best for CAD engineers or 3D modelers who need reliable CPU performance and expandability, not gaming, which scores 15.9/100.

CPU Intel Core Ultra 5 235
RAM 16 GB
Storage 1 TB
GPU Intel Graphics
Form Factor workstation
psu w 500
OS Windows 11 Pro
HP Z1 G1i 2026, Core Ultra 5 235, 16GB, 1TB SSD, Black desktop
72 Overall Score
Also available in:

Snapshot

The 30-Second Version

The HP Z1 G1i is a solid CPU-focused workstation with a 14-core Intel Core Ultra 5 235 and best-in-class port selection. Integrated graphics are the big limitation, so it's strictly for CPU-heavy productivity work. At the lower end of its price range, it's a decent value for engineers and business users.

Pros & Cons

Pros

  • Fourteen-core CPU handles heavy multitasking and CAD work with ease. 92nd
  • Port selection is best-in-class, 11 USB-A ports plus dual DisplayPort 2.1. 77th
  • Tool-less chassis makes RAM and storage upgrades painless. 70th
  • 1TB NVMe SSD gives fast boot times and quick file loads. 69th

Cons

  • Integrated Intel UHD Graphics 710 can't handle GPU-accelerated workloads.
  • 16GB of RAM is just average for a workstation at this price.
  • No customer reviews anywhere, so real-world reliability is unproven.
  • At 5.51kg, this tower is a desk anchor, not a portable rig.

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

11Q3 '25Q1 '26
Happy (4-5★)Unhappy (1-2★)Bar height = number of reviewsEstimated date

Based on 2 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

The Core Ultra 5 235 is the star here. Fourteen cores and a 5.0GHz boost clock chew through multi-threaded workloads like batch renders and large assemblies without breaking a sweat. Our database ranks it at 78th percentile, which is well above average for workstations in this class. The 16GB of DDR5 5600MHz is solid but sits at 55th percentile, so heavy multitaskers with dozens of Chrome tabs and multiple design apps open might feel the pinch. The 1TB NVMe SSD is quick and lands at 73rd percentile, but the integrated Intel UHD Graphics 710 is a real bottleneck. It's at 52nd percentile overall, and for any GPU-accelerated task like real-time 3D viewport work or video editing, it's going to struggle. This machine is built for CPU-heavy jobs, not pixel-pushing.

Performance Percentiles

CPU 76.7
GPU 58.7
RAM 54.1
Ports 92.2
Storage 69.1
Reliability 70
Social Proof 22.2

Specifications

Full Specifications

Processor

CPU Intel Core Ultra 5 235
Cores 14
Frequency 3.5 GHz
L3 Cache 24 MB

Graphics

GPU Intel Graphics
Type Integrated
VRAM Type Shared

Memory & Storage

RAM 16 GB
RAM Generation DDR5
Storage 1 TB
Storage Type NVMe SSD

Build

Form Factor workstation
PSU 500
Weight 5.5 kg / 12.1 lbs

Connectivity

USB-C Ports 2
USB Ports 9
HDMI 1x HDMI 2.1
DisplayPort 2x DisplayPort 2.1
Wi-Fi No
Bluetooth No
Ethernet Gigabit Ethernet

System

OS Windows 11 Pro

vs Competition

Stacked against the Lenovo Legion 90YA003GUS or Dell Aurora Aurora Gaming, the Z1 G1i looks like a different species. Those machines lean into discrete GPUs and gaming performance, while the HP is a pure productivity workhorse. The Apple Mac Studio M5 Max will absolutely crush the HP in GPU-accelerated tasks and single-core speed, but it costs significantly more and locks you into macOS. The ASUS ROG GM700 and Horizon Pcs Autherium Dragon are gaming-first rigs with dedicated graphics that make the HP's integrated GPU look like a calculator. If you need raw CPU throughput and tons of ports for a business or engineering setup, the HP holds its own. If you need any kind of real graphics performance, every competitor here beats it.

Spec HP Z1 G1i Apple Mac Studio M3 Ultra Lenovo T Series Towers Legion Tower 5a Gen 10 Dell Desktop ECT1250 CLX SET TGMSETRTU5204BM MSI Aegis ZS2 A9NVP-1407US
CPU Intel Core Ultra 5 235 Apple M3 Ultra AMD Ryzen 7 7800X3D Intel Core Ultra 7 265 Intel Core i9 14900KF AMD Ryzen 9 9900X
RAM (GB) 16 96 32 32 64 32
Storage (GB) 1024 1024 4096 2048 8192 2048
GPU Intel Graphics Apple M3 Ultra 60-core NVIDIA GeForce RTX 5070 Ti Intel UHD Graphics NVIDIA GeForce RTX 5070 NVIDIA GeForce RTX 5070
Form Factor workstation sff mid-tower sff mid-tower mid-tower
Psu W 500 - 850 180 850 750
OS Windows 11 Pro macOS Windows 11 Home Windows 11 Home Windows 11 Home Windows 11 Home
Compare Compare Compare Compare Compare
Product CPUGPURAMPortsStorageReliabilitySocial Proof
HP Z1 G1i 76.758.754.192.269.17022.2
Apple Mac Studio M3 Ultra Compare 99.77695.793.853.799.386.3
Lenovo T Series Towers Legion Tower 5a Gen 10 Compare 73.593.178.188.498.270100
Dell Desktop ECT1250 Compare 88.658.781.874.5837099.1
CLX SET TGMSETRTU5204BM Compare 9589.296.584.299.211.694.8
MSI Aegis ZS2 A9NVP-1407US Compare 92.689.287.390.58337.499.6

Price

Value & Pricing

Pricing is all over the map. US listings run from USD 1,219 to USD 1,928 across five vendors, and Canadian listings span CAD 1,657 to CAD 1,948. That's a huge spread for the same box. If you're buying in the US, the low end of that range feels fair for a 14-core workstation with this much connectivity. The high end is a harder sell, especially with integrated graphics and no discrete GPU option. Shop around and don't pay a premium for the same specs. The sweet spot is clearly the lower half of that price range.

From CA$1,876 1 offer across 1 retailer
Amazon 1 offer From CA$1,876

Price History

CA$1,500 CA$2,000 CA$2,500 CA$3,000 CA$3,500 May 1Jun 7Jul 10Aug 23Oct 4Nov 11 CA$1,876

Read more

Overview

The HP Z1 G1i is a no-nonsense tower workstation aimed at pros who need reliable horsepower for CAD, 3D modeling, and heavy multitasking. It packs an Intel Core Ultra 5 235 with 14 cores, 16GB of DDR5, and a 1TB NVMe SSD, all wrapped in a tool-less chassis that's easy to open up and upgrade. No RGB, no gamer flair, just a serious box for serious work.

Our database puts the port selection at 98th percentile, which is wild. Eleven USB-A ports, dual DisplayPort 2.1, HDMI, and Ethernet mean you can plug in basically everything short of a toaster. The CPU lands at 78th percentile, storage at 73rd, and reliability at 70th. The weak spot is obvious: integrated Intel UHD Graphics 710. Fine for spreadsheets, useless for rendering or gaming.

Common Questions

Q: Can I add a dedicated graphics card to the HP Z1 G1i?

Yes, the tower has expansion bays and a 500W PSU, so a low to mid-range discrete GPU should fit. Just check the physical clearance and power connector requirements before buying.

Q: Is 16GB of RAM enough for CAD and 3D modeling?

For moderate assemblies and 2D CAD, 16GB works. For large 3D models or heavy multitasking, you'll likely want to upgrade to 32GB or more, which the tool-less chassis makes easy.

Q: Does this workstation support dual monitors?

Yes, it has dual DisplayPort 2.1 outputs plus HDMI, so you can run up to three displays off the integrated graphics without any adapters.

Who Should Skip This

Skip this if you do any kind of GPU-accelerated work. 3D rendering, video editing, machine learning, or even casual gaming will all choke on the Intel UHD Graphics 710. You'd be better off with a machine that has a discrete GPU, even if it means sacrificing a few CPU cores. Also skip it if you need portability, this 5.51kg tower isn't moving anywhere.

Verdict

Buy this if you're an engineer, CAD designer, or business user who needs a reliable CPU-heavy workstation with room to grow. The tool-less design means you can add RAM and storage later, and the port selection is genuinely impressive. Just know that the integrated graphics are a hard ceiling. If your workflow touches 3D rendering, video editing, or any GPU-accelerated software, budget for a discrete GPU upgrade or look elsewhere.

Usage Scores

Overall (71.8)AI/LLM (27.1)Gaming (17)Portability (49.6)Creator (31.2)Business (70.4)Developer (66.7)Home Office (73.4)Workstation (70)
  • Overall71.8
  • AI/LLM27.1
  • Gaming17
  • Portability49.6
  • Creator31.2
  • Business70.4
  • Developer66.7
  • Home Office73.4
  • Workstation70

Other Configurations7

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