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Core Black 18 inch gaming laptop with Mini LED display and raised rear hinge

MSI

MSI Raider A18 HX A9WIG-082US gaming laptop 18" UHD+ 120Hz Mini LED Ryzen 9 9955HX3D RTX 5080

SKU CH-6RC3-7VSX6

An 18 inch UHD+ 120Hz Mini LED laptop with a 16 core Ryzen 9 9955HX3D processor, RTX 5080 graphics with 16 GB GDDR7, 96 GB DDR5 memory and 8 TB NVMe storage

  • ColorCore Black
  • Operating SystemWindows 11 Pro
  • CPUAMD Ryzen 9 9955HX3D
  • Screen18" UHD+ 120Hz
  • Memory96GB
  • Storage8 TB M.2 PCIe NVMe SSD

CPU Name AMD Ryzen 9 9955HX3D

Operating System Windows 11 Pro

GPU|Memory|SSD NVIDIA GeForce RTX 5080 Laptop GPU|96GB|8 TB

Struck-through versions exist but are not stocked here.

  • 16-core Ryzen 9 9955HX3D hits 5.4 GHz turbo for heavy workloads
  • 18" UHD+ Mini LED 120Hz panel shows 3840 x 2400 detail
  • RTX 5080 with 16 GB GDDR7 drives modern games
  • 96 GB DDR5 5600 dual-channel memory runs large projects
  • 8 TB PCIe 4.0 NVMe SSD stores the full library

Ready-to-game 18-inch workstation

The MSI Raider A18 HX A9WIG-082US is an 18-inch gaming laptop built on a 16-core AMD Ryzen 9 9955HX3D processor and an NVIDIA RTX 5080 GPU with 16 GB GDDR7 memory. It ships with Windows 11 Pro, 96 GB of DDR5 5600 memory in dual channel, and 8 TB of PCIe 4.0 NVMe storage across two 4 TB drives. The system arrives pre-tested with Gelid GC Extreme thermal compound applied to the CPU and GPU.

18-inch UHD+ Mini LED 120Hz panel

The display measures 18 inches diagonally and runs at a 3840 x 2400 UHD+ resolution with a 120 Hz refresh rate. Mini LED backlighting provides high contrast and bright highlights for creative work and HDR content. The 120 Hz scan rate keeps motion clear during fast gaming without requiring external monitors.

Pre-applied thermal paste and validated build

HIDevolution applies Gelid GC Extreme compound to both processor dies before shipment, reducing the chance of thermal throttling under load. Every unit passes a burn-in stress test, BIOS and driver updates, keyboard, touchpad, port and display checks, and a physical chassis inspection. The laptop weighs 7.94 lbs and measures 15.91 x 12.09 x 1.26 inches, so confirm your bag or workspace can accommodate it.

Highlights

  • 16-core Ryzen 9 9955HX3D hits 5.4 GHz turbo for heavy workloads
  • 18" UHD+ Mini LED 120Hz panel shows 3840 x 2400 detail
  • RTX 5080 with 16 GB GDDR7 drives modern games
  • 96 GB DDR5 5600 dual-channel memory runs large projects
  • 8 TB PCIe 4.0 NVMe SSD stores the full library

Specifications

BrandMSI
SeriesRaider A18 HX
ModelRaider A18 HX A9WIG-082US
Part NumberRAIDERA18HX082
ColorCore Black
Operating SystemWindows 11 Pro
CPUAMD Ryzen 9 9955HX3D
Screen18" UHD+ 120Hz
Memory96GB
Storage8 TB M.2 PCIe NVMe SSD
Graphics CardNVIDIA® GeForce RTX™ 5080 Laptop GPU
Video Memory16GB
CommunicationLAN and WLAN
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 9955HX3D
Number of Cores16-core (8P+8E) Processor
Turbo FrequencyMax Turbo Frequency 5.4 GHz
CPU L3 Cache128 MB
Screen Size18.0"
TouchscreenNo
Display TypeUHD+
Resolution3840 x 2400
PanelUHD+
Refresh Rate120Hz
Display FeaturesMini LED HDR
GPU/VPUNVIDIA GeForce RTX 5080 Laptop GPU
SSD8TB
HDDNo
Storage Spec2 x 4 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory Speed5600MHz (Speeds subject to system capability)
Memory Spec2 x 48 GB
LANGB LAN (Up to 2.5G)
WLANMTK Wi-Fi 7
BluetoothBT 5.4
USB3x USB 3.2 Gen 2
Thunderbolt2x USB 4/DP&PD 3.1 (Thunderbolt 4 Compatible)
HDMI1x HDMI™ v2.1
Audio Ports1x Mic-in/Headphone-out Combo Jack
TouchpadMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)
WebcamIR FHD w/shutter
Card ReaderFull size SD UHS-III
StyleStandard
TypeGaming
UsageConsumer
AC Adapter/Charger400W
Battery4 cell (99.9Whr) Li-Ion

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

How does the 5.4 GHz max turbo on the Ryzen 9 9955HX3D translate to sustained gaming performance?

The 16-core processor with 128 MB L3 cache and 3D V-Cache technology maintains high clocks under load, while the Gelid GC Extreme thermal compound upgrade applied during the build helps reduce temperatures and limit throttling during extended sessions.

What display interface does the 18" UHD+ 120Hz Mini LED panel use and what bandwidth ceiling does it impose?

The internal panel runs at 3840 x 2400 resolution with a 120 Hz refresh rate, driven directly by the RTX 5080 laptop GPU; the Mini LED backlight delivers high contrast without changing the signal bandwidth required from the graphics chip.

Will the 15.91 x 12.09 x 1.26 inch chassis fit in a standard 18-inch laptop sleeve or backpack compartment?

At those dimensions and 7.94 lbs, the Raider A18 HX matches typical 18-class gaming laptop footprints, so sleeves or compartments labelled for 18-inch devices should accommodate it, though the 1.26-inch thickness is on the slimmer side for this class.

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