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Cosmo Gray 18 inch gaming laptop closed lid matte finish

MSI

MSI Vector A18 HX A9WIG-223US gaming laptop

SKU CH-W4CQ-5SS5P MPN Vector A18 HX A9WIG-223US

An 18-inch QHD+ 240 Hz laptop with Ryzen 9 9955HX, RTX 5080, 32 GB DDR5 and 1 TB NVMe for gaming and STEM workloads

  • ColorCosmo Gray
  • Operating SystemWindows 11 Home
  • CPUAMD Ryzen 9 9955HX
  • Screen18"
  • Memory32GB DDR5
  • Storage1 TB NVMe SSD Gen4x4
  • 0" 2560 x 1600 240 Hz display for smooth high-resolution gameplay
  • AMD Ryzen 9 9955HX 16-core CPU with 64 MB L3 cache powers heavy multitasking
  • NVIDIA GeForce RTX 5080 Laptop GPU with 16 GB video memory drives modern titles
  • 32 GB DDR5 5600 memory plus 1 TB NVMe Gen4x4 SSD keeps data flowing
  • HDMI 2.1 and 2.5 Gb LAN plus three USB 3.2 Gen 2 Type-A ports connect peripherals fast

Built for STEM and high-end gaming

The MSI Vector A18 HX A9WIG-223US is an 18.0 inch QHD+ gaming laptop aimed at engineers, developers and competitive players. It runs Windows 11 Home on an AMD Ryzen 9 9955HX processor with 16 cores and 32 threads. The 240 Hz panel and NVIDIA GeForce RTX 5080 Laptop GPU target both simulation workloads and high-refresh gameplay.

16 GB GPU video memory decides fit

The NVIDIA GeForce RTX 5080 Laptop GPU includes 16 GB of dedicated video memory. That capacity determines whether the system can hold the texture sets, frame buffers and model weights your workflow requires. If your datasets exceed this pool, you will hit paging penalties that no CPU upgrade can fix.

32 GB DDR5 5600 and Gen4x4 SSD anchor the platform

The laptop ships with 32 GB of DDR5 5600 memory and a 1 TB NVMe SSD on a Gen4x4 link. Two SO-DIMM slots and a second M.2 bay let you expand both later. Connectivity covers HDMI 2.1, three USB 3.2 Gen 2 Type-A ports and 2.5 GbE LAN for fast local transfers.

Highlights

  • 0" 2560 x 1600 240 Hz display for smooth high-resolution gameplay
  • AMD Ryzen 9 9955HX 16-core CPU with 64 MB L3 cache powers heavy multitasking
  • NVIDIA GeForce RTX 5080 Laptop GPU with 16 GB video memory drives modern titles
  • 32 GB DDR5 5600 memory plus 1 TB NVMe Gen4x4 SSD keeps data flowing
  • HDMI 2.1 and 2.5 Gb LAN plus three USB 3.2 Gen 2 Type-A ports connect peripherals fast

Specifications

BrandMSI
ModelVector A18 HX A9WIG-223US
Part NumberVector A18 HX A9WIG-223US
ColorCosmo Gray
Operating SystemWindows 11 Home
CPUAMD Ryzen 9 9955HX
Screen18"
Memory32GB DDR5
Storage1 TB NVMe SSD Gen4x4
Graphics CardNVIDIA GeForce RTX 5080 Laptop GPU
Video Memory16GB
CommunicationGB LAN (Up to 2.5G)
AI FeaturesAI Ready
Dimensions (W x D x H)15.91" x 12.09" x 1.26"
Weight7.94 lbs.
CPU TypeAMD Ryzen 9 9000 Series
Processor NameAMD Ryzen 9 9955HX
Number of Cores16-core Processor
CPU L2 Cache16MB
CPU L3 Cache64 MB
Screen Size18.0"
TouchscreenNon-Touch Screen
Wide Screen SupportYes
Display TypeQHD+
Resolution2560 x 1600
PanelIPS
Refresh Rate240 Hz
Color Gamut100% DCI-P3
GPU/VPUGeForce RTX 5080 Laptop GPU
Graphic TypeDedicated Card
SSD1TB NVMe
Memory SpeedDDR5 5600
Memory Spec16 GB x 2
Memory Slot (Total)2
Memory Slot (Available)0
Max Memory Supported64 GB
Optical Drive TypeNo
LANGB LAN (Up to 2.5G)
WLANMTK Wi-Fi 7
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
USB3 x USB 3.2 Gen 2 Type-A
Thunderbolt2 x Thunderbolt 4
HDMI1 x HDMI 2.1
Ethernet1 x RJ-45 (2.5Gbps)
Audio Ports1 x Headphone/Microphone Combo Jack
Speaker4 x 2W
Virtual Reality ReadyYes
TouchpadMulti Touch
KeyboardSteelSeries 26 zone RGB with Anti-Ghost key (99 Key)
Backlit KeyboardBacklit
WebcamIR FHD w/shutter
Card ReaderFull size SD UHS-III
StyleThin and Light
TypeGaming / Home / Personal / Mainstream
UsageConsumer / Gaming / Home / Personal / Mainstream
AC Adapter/Charger400-watt AC Adapter
Battery4 cell (99.9Whr) Li-Ion
Shipping weight5.14 kg
Package size471 × 368 × 109 mm

Questions about this item

How does the 16-core Ryzen 9 9955HX perform inside this 18-inch chassis?

The 16-core Ryzen 9 9955HX with 64 MB L3 cache drives heavy compile jobs and simulation workloads while the large chassis provides thermal headroom for sustained clocks.

What does the HDMI 2.1 port allow me to connect?

The HDMI 2.1 output supports 4K at 240 Hz or 8K at 60 Hz on external displays, and the 2.5G LAN port handles wired networking up to 2.5 Gbps.

Will the 15.91 by 12.09 inch footprint fit my backpack?

The laptop measures 15.91 by 12.09 by 1.26 inches and weighs 7.94 lbs, so check your bag's laptop compartment dimensions before buying.

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