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Cosmo Gray 18 inch gaming laptop with RGB keyboard

MSI

MSI Crosshair 18 HX AI gaming laptop 18" QHD+ 240Hz Ultra 9 275HX 64GB DDR5 1TB RTX 5070

SKU CH-N59B-PG8DR

An 18-inch QHD+ 240Hz gaming laptop with an Intel 24-core Ultra 9 275HX processor, 64GB DDR5 memory, 1TB SSD and GeForce RTX 5070 graphics

  • ColorCosmo Gray
  • CPU TypeIntel Core Ultra 9 (Series 2)
  • Processor Name2.70GHz
  • Screen Size18.0"
  • Resolution2560 x 1600
  • Operating SystemWindows 11 Home

Option 64GB RAM 1TB SSD

  • 18-inch QHD+ 240Hz IPS display covers 100% DCI-P3 colour
  • Intel Ultra 9 275HX 24-core processor reaches 5.4 GHz boost clock
  • 64 GB DDR5 memory handles heavy multitasking and large workloads
  • RTX 5070 laptop GPU with 8 GB GDDR7 drives high frame rates
  • 90 Wh battery supports extended sessions away from power

18-inch QHD+ 240Hz gaming laptop

The MSI Crosshair 18 HX AI pairs an 18.0-inch IPS panel at 2560 x 1600 resolution with a 240Hz refresh rate and 100% DCI-P3 coverage. An Intel Core Ultra 9 275HX processor with 24 cores and 24 threads drives the system, supported by 64GB of DDR5 memory and a 1TB SSD. The dedicated GeForce RTX 5070 GPU brings 8GB of GDDR7 video memory for modern titles and creative workloads.

64GB DDR5 and 1TB SSD capacity

The 64GB DDR5 configuration provides ample headroom for multitasking, streaming and memory-intensive applications without paging. The 1TB solid-state drive holds a sizeable game library and project files, though users with extensive media collections may eventually need external storage. The 90Wh battery supports mobile use, while the 988 AI TOPS figure indicates strong on-device inference performance for supported workflows.

Thunderbolt 4 and HDMI 2.1 connectivity

A single Thunderbolt 4 port enables high-speed peripherals and external displays, while three USB-A 3.2 ports handle legacy devices. HDMI 2.1 output drives high-refresh external monitors, and the RJ45 jack provides wired networking alongside Wi-Fi 6E. The 24-zone RGB keyboard, HD privacy camera and Nahimic 3 audio complete a feature set built for both competitive play and content creation.

Highlights

  • 18-inch QHD+ 240Hz IPS display covers 100% DCI-P3 colour
  • Intel Ultra 9 275HX 24-core processor reaches 5.4 GHz boost clock
  • 64 GB DDR5 memory handles heavy multitasking and large workloads
  • RTX 5070 laptop GPU with 8 GB GDDR7 drives high frame rates
  • 90 Wh battery supports extended sessions away from power

Specifications

BrandMSI
ModelMSI Crosshair 18 HX AI
ColorCosmo Gray
CPU TypeIntel Core Ultra 9 (Series 2)
Processor Name2.70GHz
Screen Size18.0"
Resolution2560 x 1600
Operating SystemWindows 11 Home
GPU/VPUGeForce RTX 5070 Laptop GPU
Graphic TypeDedicated Card
SSD1 TB
HDDNo
Memory64GB
TypeGaming

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Questions about this item

Will the Thunderbolt 4 port work with my older Thunderbolt 3 dock?

Yes, Thunderbolt 4 is backward compatible with Thunderbolt 3 devices using the same USB-C connector.

How can I confirm the 240 Hz panel is actually running at 240 Hz after I set up Windows 11?

Open Settings > System > Display > Advanced display and verify the refresh rate dropdown shows 240 Hz for the built-in 18" QHD+ screen.

What ships in the box and what must I buy separately for a wired network connection?

The box includes the laptop, power adapter and documentation; the RJ45 Ethernet port is built in, so only a standard network cable is needed.

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