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Black 18 inch gaming laptop with Mini LED 4K display and RGB keyboard

Acer America

Acer Predator Helios 18 AI gaming laptop 18" 120Hz Mini LED 4K Ultra 9 275HX RTX 5090 64GB

SKU CH-1K7D-DY384

An 18 inch 120Hz Mini LED 4K display driven by an Intel Core Ultra 9 275HX at 5.4GHz, RTX 5090 24GB GDDR7 graphics, 64GB DDR5 memory and a 4TB PCIe NVMe SSD

  • ColorBlack
  • CPU TypeIntel Core Ultra 9
  • Turbo Frequency5.4GHz
  • CPU L3 Cache36MB Cache
  • Screen Size18.0"
  • TouchscreenNo
  • 18-inch Mini LED 4K display at 120 Hz for sharp motion
  • Intel Core Ultra 9 275HX with 24 cores up to 5.4 GHz for heavy workloads
  • NVIDIA GeForce RTX 5090 24 GB GDDR7 for high-frame-rate gaming
  • 64 GB DDR5 memory and 4 TB PCIe NVMe SSD for large projects
  • Thunderbolt 4 ports plus HDMI and SD reader for flexible connectivity

Predator Helios 18 AI laptop

This Acer Predator Helios 18 AI gaming laptop is built around an 18.0 inch Mini LED 4K panel running at 120 Hz. It pairs an Intel Core Ultra 9 275HX processor with an NVIDIA GeForce RTX 5090 24GB GDDR7 GPU for high-end gaming and content creation. The system includes 64GB DDR5 SO-DIMM memory and a 4TB PCIe NVMe SSD.

Suits creators needing 4K 120Hz on 18 inches

The 3840x2400 resolution and Mini LED backlight serve colour-critical work and immersive play. Buyers who need a lighter chassis or longer battery life away from the 400W PSU should look at smaller form factors. The 7.6lb weight and 1.25 inch profile limit frequent travel.

18 inch 120Hz Mini LED 4K display decides fit

The 18.0 inch 120 Hz Mini LED panel at 3840x2400 is the specification that determines whether this machine matches the workflow. If the screen size, refresh rate or resolution do not align with the use case, the other components become secondary.

Highlights

  • 18-inch Mini LED 4K display at 120 Hz for sharp motion
  • Intel Core Ultra 9 275HX with 24 cores up to 5.4 GHz for heavy workloads
  • NVIDIA GeForce RTX 5090 24 GB GDDR7 for high-frame-rate gaming
  • 64 GB DDR5 memory and 4 TB PCIe NVMe SSD for large projects
  • Thunderbolt 4 ports plus HDMI and SD reader for flexible 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 Home
GPU/VPUGeForce RTX 5090
Graphic TypeDedicated Card
SSD4 TB
HDDNo
Storage Spec4TB PCIe SSD
Memory64GB
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 external monitor connections does the 18-inch 3840x2400 120Hz Mini LED panel support?

The laptop provides HDMI and two Thunderbolt 4 ports for driving additional displays alongside the built-in 4K screen.

Can I keep using my existing DDR5 SO-DIMM modules if I want to expand the 64GB memory?

Yes, the system uses DDR5 SO-DIMM slots so compatible DDR5 modules can be added without changing memory generation.

How do I verify the RTX 5090 24GB GDDR7 GPU is active after Windows 11 Home boots?

Open Device Manager or the NVIDIA control panel and confirm the GeForce RTX 5090 appears as the dedicated graphics adapter with 24GB VRAM.

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