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Black 18 inch gaming laptop with RGB backlit keyboard

MSI

MSI Crosshair 18 HX AI Ultra 9 275HX RTX 5070 16GB 512GB gaming laptop

SKU CH-F0X8-0HA6D

An 18-inch QHD+ 240Hz gaming laptop with a 24-core Intel Ultra 9 275HX processor, RTX 5070 8GB GDDR7 graphics, 16GB DDR5 memory and a 512GB PCIe SSD

  • Screen size18.0 in (45.7 cm)
  • ProcessorIntel Core Ultra 9 (Series 1)
  • Graphics processorGeForce RTX 5070 Laptop GPU
  • Memory size16 GB
  • SSD storage512 GB PCIe SSD
  • Display resolution2560 × 1600
  • 24-core Ultra 9 275HX reaches 5.4 GHz turbo for responsive multitasking
  • 18-inch QHD+ 240Hz display delivers smooth 2560 x 1600 visuals
  • RTX 5070 with 8GB GDDR7 powers modern games at high settings
  • Thunderbolt 5 and HDMI 2.1 connect multiple high-speed peripherals
  • 16GB DDR5 plus 512GB PCIe SSD loads levels fast

18-inch 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 a maximum turbo frequency of 5.4 GHz. It pairs that CPU with an NVIDIA GeForce RTX 5070 Laptop GPU equipped with 8 GB of GDDR7 memory. The 18.0-inch QHD+ panel runs at 2560 x 1600 resolution and a 240 Hz refresh rate. Windows 11 Home comes pre-installed.

Best for users who need 18-inch high-refresh display

This machine suits buyers who want a large 18-inch screen with 240 Hz motion clarity and a 24-core processor for heavy multitasking or content workloads. The 16 GB of DDR5 memory and 512 GB PCIe SSD cover mainstream gaming and productivity, but professionals who need larger memory capacity or multiple terabytes of fast storage should look at configurable workstation-class alternatives.

8 GB GDDR7 GPU memory decides fit

The single specification that determines whether this is the right part is the GeForce RTX 5070 with 8 GB of GDDR7 video memory. That frame-buffer size sets the ceiling for texture-heavy games at QHD+ resolution and for GPU-accelerated creative tasks. If your workflow demands more than 8 GB of VRAM, this laptop will not meet the requirement.

How it compares

Measured against everything we stock in Gaming Laptop Computers, at today’s prices. Recalculated every night.

Price $1,947.99
Typical for this category: the median of 5,382 items is $1,978.99.
Screen size 18.0 in (45.7 cm)
Higher than about 90% of the 5,361 comparable items (median 16 in).
Video RAM 8 GB
Typical for this category: the median of 4,061 items is 8 GB.

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product lineRaider
Model nameCrosshair 18
Product colorBlack
Design styleStandard
Product typeGaming
Recommended useConsumer
Processor
ProcessorIntel Core Ultra 9 (Series 1)
Processor model2.7 GHz
CPU cores24-core (8P+16E) Processor
Turbo clock speed5.4 GHz
Memory
Memory size16 GB
Storage
SSD storage512 GB PCIe SSD
Hard driveNo
Optical driveNo
Display
Screen size18.0 in (45.7 cm)
Display resolution2560 × 1600
Touch inputNon-Touch Screen
Display formatQHD+
Graphics
Graphics processorGeForce RTX 5070 Laptop GPU
Video RAM8 GB
Audio & video
SoundIntegrated Sound card
SpeakersInternal Speakers
Web cameraYes
Connectivity
Wi-FiYes
Bluetooth supportYes
Ports & slots
USB ports2
HDMI ports1 x HDMI
Audio jacks1 x Headphone/Microphone Combo Jack
Size & build
Product weight6–6.9 lb (2.72–3.13 kg)
In the box
Included itemsLaptop, Charger
Software
Operating systemWindows 11 Home
More details
Pointing deviceYes
KeyboardYes
Keyboard backlightBacklit

Questions about this item

How do I install the 512GB PCIe SSD and what step do people get wrong?

The 512GB PCIe SSD is already installed; if adding a second drive, remove the bottom panel screws, insert the drive into the open M.2 slot at an angle, then secure it with the tiny retention screw — the step most people miss is fitting that screw before replacing the panel.

What maintenance or replacement will the 16GB DDR5 memory need later?

The 16GB DDR5 memory is soldered and cannot be upgraded; no routine maintenance is required, but if a fault occurs the entire motherboard must be replaced rather than swapping a module.

Which limit appears first on the RTX 5070 8GB GDDR7 during sustained gaming?

The 8GB GDDR7 frame buffer fills before the GPU core hits its thermal ceiling, so texture-heavy titles at 2560 x 1600 will hit VRAM capacity first.

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