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Core Black 18 inch gaming laptop with Mini LED display and RTX 5090 graphics

MSI

MSI Raider 18 HX AI A2XWJG-841US 128 GB gaming laptop

SKU CH-0E5M-176EK

18-inch UHD+ 120 Hz Mini LED laptop with Intel Core Ultra 9 285HX, RTX 5090 24 GB GDDR7, 128 GB DDR5 and 4 TB NVMe storage

  • ColorCore Black
  • Operating SystemWindows 11 Pro
  • CPUIntel Core Ultra 9-285HX
  • Screen18" UHD+ 120Hz
  • Memory128GB
  • Storage4 TB M.2 PCIe NVMe Gen4 SSD
  • 24-core Ultra 9 285HX reaches 5.5 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives high-fidelity graphics
  • 18-inch UHD+ Mini LED at 120 Hz delivers sharp motion
  • 128 GB DDR5 5600 MHz dual-channel handles large datasets
  • 4 TB PCIe 4.0 NVMe SSD provides fast boot and load times

18-inch UHD+ Mini LED display

The 18-inch UHD+ panel runs at 3840 by 2400 resolution and a 120 Hz refresh rate. Mini LED backlighting provides high contrast and bright highlights for gaming and content work.

Gelid GC Extreme thermal compound

The builder replaces the stock paste with Gelid GC Extreme on the CPU and GPU. This change lowers temperatures under load and reduces the chance of throttling during extended sessions.

Core Black chassis with Windows 11 Pro

The laptop weighs 7.94 lbs and measures 15.91 by 12.09 by 1.26 inches. Windows 11 Pro is pre-installed and the system has passed burn-in, benchmark and port-function tests before shipping.

Highlights

  • 24-core Ultra 9 285HX reaches 5.5 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives high-fidelity graphics
  • 18-inch UHD+ Mini LED at 120 Hz delivers sharp motion
  • 128 GB DDR5 5600 MHz dual-channel handles large datasets
  • 4 TB PCIe 4.0 NVMe SSD provides fast boot and load times

Specifications

BrandMSI
SeriesRaider 18 HX AI
ModelRaider 18 HX AI A2XWJG-841US
Part NumberMS-RAIDER18HXA2841-HID18P
ColorCore Black
Operating SystemWindows 11 Pro
CPUIntel Core Ultra 9-285HX
Screen18" UHD+ 120Hz
Memory128GB
Storage4 TB M.2 PCIe NVMe Gen4 SSD
Graphics CardNVIDIA® GeForce RTX™ 5090 Laptop GPU
Video Memory24GB
CommunicationLAN and WLAN
Dimensions (W x D x H)15.91"x 12.09"x 1.26"
Weight7.94 lbs
CPU TypeIntel Core Ultra 9 (Series 2)
Processor NameIntel Core Ultra 9 285HX
Number of Cores24-core (8P+16E) Processor
Turbo FrequencyMax Turbo Frequency 5.5 GHz
CPU L3 Cache36 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 5090 Laptop GPU
SSD4 TB
HDDNo
Storage Spec2x 2 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)
WLANKiller WiFi 7 BE1750
BluetoothBT 5.4
USB3x USB 3.2 Gen 2
Thunderbolt 32x Thunderbolt™ 5 w DP/PD3.1
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 often should the Gelid GC Extreme thermal paste on the CPU and GPU be reapplied?

The Gelid GC Extreme thermal interface material is applied during the build process and is designed to last the usable life of the laptop; routine replacement is not required.

Which component hits its thermal limit first during extended all-core workloads on the Core Ultra 9 285HX?

The 24-core processor reaches its thermal threshold before the RTX 5090 GPU under sustained heavy loads, triggering clock-speed reduction to manage heat.

What are the fan noise levels and surface temperatures when the RTX 5090 runs at full load all day?

Under continuous maximum load the cooling system moves significant air volume, producing audible fan noise, while keyboard-deck temperatures rise noticeably above idle levels.

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