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Core Black 18 inch gaming laptop with Mini LED display and angular chassis

MSI

MSI Raider A18 HX A9WIG 18" UHD+ 120Hz Mini LED Ryzen 9 9955HX3D RTX 5080 128 GB DDR5 16 TB

SKU CH-001Y-8NG96

An 18-inch UHD+ 120Hz Mini LED gaming laptop with a 16-core Ryzen 9 9955HX3D processor, RTX 5080 graphics, 128 GB DDR5 memory and 16 TB NVMe storage

  • ColorCore Black
  • Operating SystemWindows 11 Pro
  • CPUAMD Ryzen 9 9955HX3D
  • Screen18" UHD+ 120Hz
  • Memory128GB
  • Storage16 TB M.2 PCIe NVMe SSD
  • 16-core Ryzen 9 9955HX3D reaches 5.4 GHz turbo for heavy workloads
  • 18" UHD+ Mini LED 120Hz display shows 3840 x 2400 detail
  • RTX 5080 with 16 GB GDDR7 drives modern graphics
  • 128 GB DDR5 5600 dual-channel memory handles large data sets
  • 16 TB PCIe 4.0 NVMe storage (2 x 8 TB) loads games fast

18-inch UHD+ Mini LED display

The 18-inch UHD+ Mini LED panel delivers a 3840 by 2400 resolution at 120 Hz. It targets gamers and creators who need a large, high-refresh canvas for detailed work and competitive play.

Gelid GC Extreme thermal compound

HIDevolution applies Gelid GC Extreme on the CPU and GPU to lower system temperatures under load. The upgrade aims to reduce throttling during sustained gaming or rendering sessions.

16 TB dual NVMe storage and 128 GB DDR5

Two 8 TB PCIe 4.0 x4 NVMe SSDs provide 16 TB of fast storage for games and projects. Two 64 GB DDR5 5600 MHz modules give 128 GB of dual-channel memory for heavy multitasking.

Highlights

  • 16-core Ryzen 9 9955HX3D reaches 5.4 GHz turbo for heavy workloads
  • 18" UHD+ Mini LED 120Hz display shows 3840 x 2400 detail
  • RTX 5080 with 16 GB GDDR7 drives modern graphics
  • 128 GB DDR5 5600 dual-channel memory handles large data sets
  • 16 TB PCIe 4.0 NVMe storage (2 x 8 TB) loads games fast

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
Memory128GB
Storage16 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
Color Gamut100% DCI-P3
Display FeaturesMini LED HDR
GPU/VPUNVIDIA GeForce RTX 5080 Laptop GPU
SSD16TB
HDDNo
Storage Spec2 x 8 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory Speed5600MHz (Speeds subject to system capability)
Memory Spec2 x 64 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

Questions about this item

How is the Gelid GC Extreme thermal compound applied to the Ryzen 9 9955HX3D and RTX 5080, and what step is often missed?

The compound is pre-applied by the builder during assembly. The step users miss is not disturbing the paste when upgrading the 128 GB DDR5 modules or the 16 TB NVMe storage, which would require a re-paste.

Which components in this Raider A18 HX will need replacement or servicing first under heavy use?

The 120 Hz Mini LED panel and the dual 8 TB NVMe drives are solid-state with no moving parts. The primary wear items are the cooling fans and the battery, which degrade after repeated thermal cycles.

What thermal or power limit appears first when the 16-core Ryzen 9 9955HX3D and RTX 5080 run sustained workloads?

The 5.4 GHz max turbo frequency on the CPU and the 16 GB GDDR7 GPU memory will hit the cooling capacity of the chassis first, causing clock throttling before the 128 MB L3 cache or 5600 MHz DDR5 become bottlenecks.

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