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Gray 18-inch gaming laptop with QHD+ IPS display and RGB keyboard

MSI

MSI Crosshair 18 HX AI 18" QHD+ 240Hz RTX 5070 Ultra 9 275HX 32GB 1TB Gray gaming laptop

SKU CH-6ZXQ-MMRRS

An 18-inch QHD+ 240 Hz gaming laptop with an Intel Core Ultra 9 275HX 24-core processor, NVIDIA GeForce RTX 5070 8 GB GDDR7 graphics, 32 GB DDR5 memory and a 1 TB PCIe NVMe SSD

  • StyleUltrabook
  • TypeGaming
  • UsageConsumer
  • ColorGray
  • Video Memory8GB
  • CPU TypeIntel Core Ultra 9 (Series 2)
  • Smooth competitive play on an 18 inch 240 Hz QHD+ IPS panel
  • 24 core Intel Core Ultra 9 275HX reaches 5.4 GHz for heavy workloads
  • RTX 5070 with 8 GB GDDR7 drives modern titles at high settings
  • 32 GB DDR5 5600 MHz and 1 TB PCIe Gen 4 NVMe SSD load games fast
  • Thunderbolt 4, HDMI 2.1, RJ45 and Wi-Fi 6E cover every connection need

18-inch QHD+ 240Hz Gaming Laptop

The MSI Crosshair 18 HX AI is an 18-inch gaming laptop built around a 24-core Intel Core Ultra 9 275HX processor and an NVIDIA GeForce RTX 5070 GPU with 8GB GDDR7 memory. It targets enthusiasts who want high frame rates on a large 2560 x 1600 IPS panel covering 100% DCI-P3. The system ships with 32GB DDR5 5600MHz RAM and a 1TB PCIe Gen 4x4 NVMe SSD under Windows 11 Pro.

Thermals Power and Acoustics

A 240W power adapter feeds the 90Whr 4-cell battery while the Cooler Boost 5 thermal design manages heat from the 24-core CPU and RTX 5070 during extended sessions. The chassis measures 15.9 x 11.02 x 1.17 inches and weighs 6.83 lbs, providing internal volume for airflow without resorting to extreme fan speeds in typical gaming loads. Per-key RGB lighting on the 99-key SteelSeries keyboard adds visual feedback without increasing acoustic output.

RTX 5070 8GB GDDR7 Graphics

The single specification that decides fit is the NVIDIA GeForce RTX 5070 Laptop GPU with 8GB GDDR7 video memory. This GPU tier determines which titles run at native QHD+ 240Hz versus those requiring resolution scaling, and it fixes the graphics power envelope for the entire platform. Buyers comparing configurations should match this GPU against their target game settings and desired frame rates.

Highlights

  • Smooth competitive play on an 18 inch 240 Hz QHD+ IPS panel
  • 24 core Intel Core Ultra 9 275HX reaches 5.4 GHz for heavy workloads
  • RTX 5070 with 8 GB GDDR7 drives modern titles at high settings
  • 32 GB DDR5 5600 MHz and 1 TB PCIe Gen 4 NVMe SSD load games fast
  • Thunderbolt 4, HDMI 2.1, RJ45 and Wi-Fi 6E cover every connection need

Specifications

StyleUltrabook
TypeGaming
UsageConsumer
BrandMSI
ColorGray
Video Memory8GB
CPU TypeIntel Core Ultra 9 (Series 2)
Processor NameIntel Core Ultra 9 275HX
Number of Cores24-core (8P+16E) Processor
Screen Size18.0"
TouchscreenNon-Touch Screen
Display TypeQHD+
Resolution2560 x 1600
PanelIPS
Refresh Rate240 Hz
Operating SystemWindows 11 Pro
GPU/VPUGeForce RTX 5070 Laptop GPU
Graphic TypeDedicated Card
SSD1TB
HDDNo
Memory32GB
Memory SpeedDDR5 5600
LAN10/100/1000Mbps
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.3
USB1 x USB 3.2 Gen 1 Type-C
Video Port1 x HDMI
HDMI1 x HDMI 2.1
Ethernet1 x RJ-45
Other port1x Ethernet (RJ-45)
Audio Ports1 x Headphone/Microphone Combo Jack
Audio1x Headphone/Microphone combo jack (3.5mm)
Speaker2 x 2W Speaker, 2 x 2W Woofer
Virtual Reality ReadyYes
KeyboardFull size with Keyboard light
Backlit KeyboardBacklit
Webcam720p HD
AC Adapter/Charger240-watt AC Adapter
Battery4-cell Lithium Ion
Weight6 - 6.9 lbs.

Questions about this item

Can the HDMI 2.1 port drive an external 4K display at its native refresh rate?

The HDMI 2.1 output supports 4K resolution at up to 240 Hz, matching the panel's maximum refresh capability.

Will the 240 W power adapter charge the battery while the CPU and GPU are under full load?

The 240 W adapter is sized to sustain the Core Ultra 9 275HX and RTX 5070 at their peak turbo frequencies without drawing from the 90 Wh battery.

Is the 32 GB DDR5 5600 MHz memory soldered or can it be upgraded later?

Both SO-DIMM slots are populated for 32 GB total; the modules are removable so capacity can be increased to 64 GB with compatible DDR5 5600 sticks.

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