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Cosmo Gray 18 inch gaming laptop with thin light chassis

MSI

MSI Crosshair A18 HX A8WGKG gaming laptop

SKU CH-SCXZ-NN8AF MPN Crosshair A18 HX A8WGKG

An 18 inch 240 Hz QHD+ display, AMD Ryzen 9 8940HX processor and NVIDIA GeForce RTX 5070 Laptop GPU with 8 GB GDDR7 power this 32 GB DDR5, 1 TB NVMe gaming laptop

  • StyleThin and Light
  • TypeGaming / Home / Personal / Mainstream
  • UsageConsumer / Gaming / Home / Personal / Mainstream
  • ColorCosmo Gray
  • Operating SystemWindows 11 Home
  • CPUAMD Ryzen 9 8940HX

Option AMD Ryzen 9-8940HX / Geforce RTX 5070

  • 18-inch 240 Hz QHD+ display for smooth competitive play
  • AMD Ryzen 9 8940HX processor delivers high multi-core speed
  • GeForce RTX 5070 Laptop GPU with 8 GB GDDR7 powers modern titles
  • 32 GB DDR5 5600 memory and 1 TB NVMe Gen4x4 SSD give fast capacity
  • Cooler Boost 5 with two fans and six pipes sustains 170 W performance

Built for gaming and creative work

The Crosshair A18 HX A8WGKG is an 18.0 inch gaming laptop aimed at players and creators who need desktop-class speed in a portable chassis. It runs Windows 11 Home on an AMD Ryzen 9 8940HX processor paired with an NVIDIA GeForce RTX 5070 Laptop GPU. The Cosmo Gray finish covers a 15.90 by 11.02 by 1.17 inch frame weighing 6.83 lbs.

32 GB DDR5 5600 and 1 TB NVMe Gen4x4

Memory capacity sits at 32 GB of DDR5 5600, giving comfortable headroom for modern titles, streaming and multitasking without constant paging. The 1 TB NVMe Gen4x4 SSD provides fast load times and space for a large library, though heavy modders or video editors may eventually want a second drive. Storage and memory are the practical limits for long-term flexibility.

18 inch 2560 x 1600 240 Hz display

The defining spec is the 18 inch QHD+ panel running at 2560 x 1600 resolution and 240 Hz refresh rate, delivering high detail and smooth motion for competitive and immersive gaming alike. It is driven by the RTX 5070 with 8 GB GDDR7 video memory and supported by DLSS upscaling. If your workflow or play style benefits from a large, fast screen, this is the deciding factor.

Highlights

  • 18-inch 240 Hz QHD+ display for smooth competitive play
  • AMD Ryzen 9 8940HX processor delivers high multi-core speed
  • GeForce RTX 5070 Laptop GPU with 8 GB GDDR7 powers modern titles
  • 32 GB DDR5 5600 memory and 1 TB NVMe Gen4x4 SSD give fast capacity
  • Cooler Boost 5 with two fans and six pipes sustains 170 W performance

Specifications

StyleThin and Light
TypeGaming / Home / Personal / Mainstream
UsageConsumer / Gaming / Home / Personal / Mainstream
BrandMSI
ModelCrosshair A18 HX A8WGKG
Part NumberCrosshair A18 HX A8WGKG
ColorCosmo Gray
Operating SystemWindows 11 Home
CPUAMD Ryzen 9 8940HX
Screen18"
Memory32GB DDR5
Storage1 TB NVMe SSD Gen4x4
Graphics CardNVIDIA GeForce RTX 5070 Laptop GPU
Video Memory8GB
CommunicationGigabit LAN and WLAN
AI FeaturesAI Ready
Dimensions (W x D x H)15.90" x 11.02" x 1.17"
Weight6.83 lbs.
CPU TypeAMD Ryzen 9 8000 Series
Processor NameAMD Ryzen 9 8940HX
Number of Cores16-core Processor
CPU L2 Cache16MB
CPU L3 Cache64 MB
Screen Size18"
TouchscreenNon-Touch Screen
Wide Screen SupportYes
Resolution2560 x 1600
Refresh Rate240 Hz
Color Gamut100% DCI-P3
GPU/VPUGeForce RTX 5070 Laptop GPU
Graphic TypeDedicated Card
SSD1TB
Memory SpeedDDR5 5600
Memory Spec16 GB x 2
Memory Slot (Total)2
Memory Slot (Available)0
Max Memory Supported96 GB
Optical Drive TypeNo
LAN10/100/1000Mbps
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.3
USB1 x USB 3.2 Gen 2 Type-C / 3 x USB 3.2 Gen 1 Type-A
HDMI1 x HDMI 2.1
Ethernet1 x RJ-45 (1Gbps)
Audio Ports1 x Headphone/Microphone Combo Jack
Speaker2 x Speakers 2W
Virtual Reality ReadyYes
TouchpadMulti Touch
KeyboardSteelSeries 24-Zone RGB with Anti-Ghost key (99 Key)
Webcam720p HD with shutter
AC Adapter/Charger240-watt AC Adapter
Battery4 cell (90Whr) Li-Ion
Shipping weight6.99 kg
Package size546 × 406 × 112 mm

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Questions about this item

Will the HDMI 2.1 port drive my older monitor at its native refresh rate?

The HDMI 2.1 port supports up to 240 Hz at QHD+ resolution, so most older 1080p or 1440p panels will run at their rated speed.

How can I confirm the RTX 5070 Laptop GPU is performing as intended after setup?

Open the NVIDIA control panel and verify the GPU shows 8 GB GDDR7 memory and that DLSS 4 options appear in supported titles.

What is in the box and what must I buy separately?

The laptop, a power adapter and Windows 11 Home are included; no external peripherals or storage upgrades are bundled.

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