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Large black gaming laptop with 18 inch Mini LED display and RGB keyboard

Acer America

Acer Predator Helios 18 AI gaming laptop PH18-73-962W

SKU CH-ZEQH-JX3DH

An 18-inch Mini LED 4K 120Hz gaming laptop with an Intel Core Ultra 9 275HX, RTX 5090 24GB GDDR7, 128GB DDR5 and a 4TB PCIe NVMe SSD

  • ColorBlack
  • CPU TypeIntel Core Ultra 9
  • Turbo Frequency5.4GHz
  • CPU L3 Cache36MB Cache
  • Screen Size18.0"
  • TouchscreenNo
  • Intel Core Ultra 9 275HX reaches 5.4 GHz turbo for extreme compute power
  • NVIDIA GeForce RTX 5090 24 GB GDDR7 delivers high-end graphics performance
  • 18 inch Mini LED 4K display at 120 Hz gives sharp, fluid visuals
  • 128 GB DDR5 memory plus 4 TB PCIe SSD provides massive capacity and speed
  • Thunderbolt 4 ports and Wi‑Fi 802.11be enable fast, versatile connectivity

18-inch Mini LED 4K 120Hz Display

The Acer Predator Helios 18 AI is an 18-inch gaming laptop built around a 15th Gen Intel Core Ultra 9 275HX processor and an NVIDIA GeForce RTX 5090 GPU with 24GB GDDR7 memory. It ships with 128GB DDR5 SO-DIMM RAM and a 4TB PCIe NVMe SSD. The 3840x2400 Mini LED panel runs at 120Hz. Windows 11 Pro 64-bit is pre-installed.

Who This Suits and Who Should Look Elsewhere

This machine targets users who need desktop-class multi-thread performance and maximum mobile GPU memory in a single chassis. Content creators working with 8K timelines, large language models or complex 3D scenes will benefit from the 24-core CPU and 24GB VRAM. Buyers who prioritise battery life, thin-and-light portability or a lower acquisition cost should consider smaller alternatives.

24GB GDDR7 VRAM on RTX 5090

The single specification that decides fit is the 24GB GDDR7 video memory paired with the RTX 5090. If your workflows demand that much dedicated GPU memory for textures, frame buffers or model weights, this configuration removes the usual mobile ceiling. If your projects stay well within 12GB or 16GB VRAM, the extra capacity will go unused and a lighter system may serve you better.

Highlights

  • Intel Core Ultra 9 275HX reaches 5.4 GHz turbo for extreme compute power
  • NVIDIA GeForce RTX 5090 24 GB GDDR7 delivers high-end graphics performance
  • 18 inch Mini LED 4K display at 120 Hz gives sharp, fluid visuals
  • 128 GB DDR5 memory plus 4 TB PCIe SSD provides massive capacity and speed
  • Thunderbolt 4 ports and Wi‑Fi 802.11be enable fast, versatile connectivity

Specifications

BrandAcer
SeriesPredator Helios
ColorBlack
CPU TypeIntel Core Ultra 9
Turbo Frequency5.4GHz
CPU L3 Cache36MB Cache
Screen Size18.0"
TouchscreenNo
Resolution3840x2400
Refresh Rate120 Hz
Operating SystemWindows 11 Pro
GPU/VPUGeForce RTX 5090
Graphic TypeDedicated Card
SSD4 TB
HDDNo
Storage Spec4TB PCIe SSD
Memory128GB
Memory SpeedDDR5
Memory TypeSO-DIMM
Optical Drive TypeNo Optical Drive
WLAN802.11be
BluetoothBluetooth 5.4
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
Virtual Reality ReadyYes
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
Card ReaderYes
StyleStandard
TypeGaming

Questions about this item

What does the Thunderbolt 4 interface cap at in practice?

Thunderbolt 4 on this laptop provides up to 40 Gbps bandwidth for data, dual 4K display output, and power delivery through the two ports.

What physical clearance does the 18.0 inch chassis need to fit in a bag or on a desk?

The laptop measures 16.7 in wide, 12.15 in deep, and 1.25 in thick, weighing 7.6 lb, so allow at least those dimensions plus cable room.

How is the DDR5 SO-DIMM memory installed, and what step do people get wrong?

The 128 GB DDR5 SO-DIMM modules are factory-installed; the common mistake is buying non-SO-DIMM DDR5 sticks that physically cannot seat in the laptop slots.

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