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Core Black 18 inch gaming laptop with Mini LED display and RGB lighting

MSI

MSI Raider A18 HX A9WIG 18" UHD+ 120Hz Mini LED Ryzen 9 9955HX3D RTX 5080 64GB 2TB gaming

SKU CH-SZTC-MVQXE

An 18" UHD+ 120Hz Mini LED gaming laptop with a 16-core Ryzen 9 9955HX3D, RTX 5080 16GB GDDR7, 64GB DDR5 6400MHz and a 2TB PCIe 5.0 NVMe SSD

  • ColorCore Black
  • Operating SystemWindows 11 Pro
  • CPUAMD Ryzen 9 9955HX3D
  • Screen18" UHD+ 120Hz
  • Memory64GB
  • Storage2 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|64GB|2 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 at 120 Hz with 3840 x 2400 resolution
  • RTX 5080 laptop GPU with 16 GB GDDR7 drives modern titles
  • 64 GB DDR5 6400 MHz dual-channel memory handles multitasking
  • 2 TB PCIe 5.0 x4 NVMe SSD delivers fast boot and load times

18-inch Mini LED UHD+ gaming laptop

The MSI Raider A18 HX A9WIG delivers an 18-inch Mini LED panel at 3840 x 2400 resolution with a 120Hz refresh rate. It is built around an AMD Ryzen 9 9955HX3D processor and an NVIDIA GeForce RTX 5080 Laptop GPU with 16 GB GDDR7 video memory. The system targets users who need desktop-class compute and graphics in a portable chassis.

Ryzen 9 9955HX3D with 128 MB L3 cache

The 16-core 9955HX3D runs at a 2.5 GHz base clock and can reach a 5.4 GHz max turbo frequency. Its 128 MB L3 cache is the specification that most directly affects gaming and compute throughput on this platform. The CPU is paired with 64 GB of DDR5 6400 MHz memory in a dual-channel configuration.

Gelid GC Extreme thermal compound applied

HIDevolution replaces the stock thermal interface material with Gelid GC Extreme on both the CPU and GPU. The upgrade lowers peak temperatures and reduces the likelihood of throttling during sustained workloads. A full quality-control pass including BIOS updates, stress testing and physical inspection is also performed before shipment.

Highlights

  • 16-core Ryzen 9 9955HX3D hits 5.4 GHz turbo for heavy workloads
  • 18" UHD+ Mini LED at 120 Hz with 3840 x 2400 resolution
  • RTX 5080 laptop GPU with 16 GB GDDR7 drives modern titles
  • 64 GB DDR5 6400 MHz dual-channel memory handles multitasking
  • 2 TB PCIe 5.0 x4 NVMe SSD delivers fast boot and load times

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
Memory64GB
Storage2 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
SSD2TB
HDDNo
Storage Spec2 TB M.2 PCIe 5.0 x4 NVMe SSD
Memory Speed6400MHz (Speeds subject to system capability)
Memory Spec2 x 32 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 frequency behave inside this laptop?

The Ryzen 9 9955HX3D can reach 5.4 GHz on its 16 cores when thermal headroom allows, and the Gelid GC Extreme paste upgrade helps sustain higher clocks longer during heavy loads.

What does the 5.0 x4 NVMe interface mean for the 2 TB SSD in daily use?

The PCIe 5.0 x4 link lets the drive hit its peak sequential throughput, so game loads and large file transfers complete noticeably faster than on a 4.0 drive.

Will the 15.91 by 12.09 inch footprint fit in a standard 18-inch laptop sleeve?

The chassis measures 15.91 by 12.09 inches, so a sleeve sized for 18-inch models will accommodate it with a small margin around the edges.

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