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

MSI

MSI Crosshair 18 HX AI Intel Core Ultra 9 275HX RTX 5070 32GB DDR5 1TB NVMe 18 QHD+ 240Hz

SKU CH-X6EW-PMX4Q

An 18 inch QHD+ 240Hz IPS gaming laptop with an Intel Core Ultra 9 275HX 24-core processor, GeForce RTX 5070 8GB GDDR7 graphics, 32GB DDR5 5600 memory and a 1TB NVMe SSD

  • 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"

Options 32GB | 1TB | Pro

  • 24-core Intel Core Ultra 9 275HX reaches 5.4 GHz for heavy workloads
  • RTX 5070 with 8GB GDDR7 drives high-frame-rate gaming
  • 18-inch QHD+ IPS panel covers 100% DCI-P3 at 240 Hz
  • 32GB DDR5 5600 and 1TB NVMe PCIe Gen 4x4 load games fast
  • Wi-Fi 6E AX211 and Bluetooth 5.3 keep wireless links stable

18 QHD+ 240Hz Gaming Laptop

The MSI Crosshair 18 HX AI is an 18-inch gaming laptop built around an Intel Core Ultra 9 275HX processor with 24 cores and an NVIDIA GeForce RTX 5070 GPU with 8GB GDDR7 memory. It ships with 32GB of DDR5 5600 memory and a 1TB PCIe NVMe SSD. The 18.0 IPS panel delivers a 2560 x 1600 resolution at 240 Hz and covers 100% DCI-P3. Windows 11 Pro is pre-installed.

Who This Suits

This machine suits users who want a large high-refresh display and a 24-core processor for gaming and heavy multitasking. The 32GB DDR5 configuration and Thunderbolt 4 port support external GPU docks and fast peripherals. Buyers needing a smaller chassis, longer battery life, or a lower price point should look at other models. The 90Whr battery and 240W adapter define the power envelope.

Deciding Specification

The single specification that decides fit is the 18.0 QHD+ 240Hz IPS panel with 100% DCI-P3 coverage. This screen size and refresh rate combination dictates the laptop's physical footprint, weight of 6.83 lbs, and the cooling capacity required for the Core Ultra 9 275HX and RTX 5070. If the 18-inch form factor is too large for your workflow, this is not the right part.

Highlights

  • 24-core Intel Core Ultra 9 275HX reaches 5.4 GHz for heavy workloads
  • RTX 5070 with 8GB GDDR7 drives high-frame-rate gaming
  • 18-inch QHD+ IPS panel covers 100% DCI-P3 at 240 Hz
  • 32GB DDR5 5600 and 1TB NVMe PCIe Gen 4x4 load games fast
  • Wi-Fi 6E AX211 and Bluetooth 5.3 keep wireless links stable

Specifications

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
StyleUltrabook
TypeGaming
UsageConsumer
AC Adapter/Charger240-watt AC Adapter
Battery4-cell Lithium Ion
Weight6 - 6.9 lbs.

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 32 GB DDR5 5600 memory need to be upgraded later?

The laptop ships with 32 GB of DDR5 5600 memory; the platform supports up to 64 GB, so you can add another module if workloads demand more capacity.

What thermal limit appears first when the Core Ultra 9 275HX and RTX 5070 run at full load for hours?

Sustained loads push the 24-core processor toward its 5.4 GHz turbo ceiling and the 8 GB GDDR7 GPU toward its power budget, so the cooling system’s ability to move heat becomes the first bottleneck.

How loud do the fans get and how hot does the chassis feel during an all-day gaming session?

Under continuous load the dual-fan cooler spins up audibly, the keyboard deck and bottom panel grow warm, and the 240 W adapter draws significant power to keep the 240 Hz panel and components fed.

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