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An 18 inch Core Black gaming laptop with a UHD+ Mini LED display

MSI

MSI Raider 18 HX AI A2XWJG 18" UHD+ 120Hz Mini LED Ultra 9-285HX RTX 5090 128GB 1TB gaming

SKU CH-EPFM-E2F79

An 18-inch UHD+ 120Hz Mini LED gaming laptop powered by a 24-core Intel Core Ultra 9-285HX and NVIDIA RTX 5090 with 24GB GDDR7, equipped with 128GB DDR5 and a 1TB PCIe 4.0 NVMe SSD

  • ColorCore Black
  • Operating SystemWindows 11 Home
  • CPUIntel Core Ultra 9-285HX
  • Screen18" UHD+ 120Hz
  • Memory128GB
  • Storage1 TB M.2 PCIe NVMe Gen4 SSD
  • 24-core Ultra 9 285HX reaches 5.5 GHz turbo for heavy compute
  • RTX 5090 with 24 GB GDDR7 drives 4K gaming and AI workloads
  • 128 GB DDR5 5600 MHz dual-channel memory handles large datasets
  • 1 TB PCIe 4.0 NVMe SSD delivers fast boot and load times
  • 18" UHD+ Mini LED 120 Hz panel shows 3840 x 2400 detail

Intel Core Ultra 9 285HX with RTX 5090

This 18 inch gaming laptop pairs a 24 core Intel Core Ultra 9 285HX processor with an NVIDIA GeForce RTX 5090 laptop GPU equipped with 24 GB GDDR7 video memory. The system targets enthusiasts who need desktop class compute and graphics performance in a portable form factor. It ships with Windows 11 Home preinstalled.

Sustained load with Gelid GC Extreme thermal

HIDevolution applies Gelid GC Extreme thermal interface material on both the CPU and GPU during assembly to improve heat transfer away from the dies. Lower component temperatures reduce the likelihood of thermal throttling during extended CPU and GPU intensive workloads. Burn in stress testing verifies stable operation before the unit leaves the facility.

128 GB DDR5 5600 dual channel and 1 TB PCIe 4.0 NVMe

Memory comes configured as two 64 GB modules running at 5600 MHz in dual channel mode for high bandwidth multitasking. The 1 TB M.2 PCIe 4.0 x4 NVMe SSD provides fast boot and application load times. A full quality check confirms port functionality, display integrity and chassis condition prior to shipment.

Highlights

  • 24-core Ultra 9 285HX reaches 5.5 GHz turbo for heavy compute
  • RTX 5090 with 24 GB GDDR7 drives 4K gaming and AI workloads
  • 128 GB DDR5 5600 MHz dual-channel memory handles large datasets
  • 1 TB PCIe 4.0 NVMe SSD delivers fast boot and load times
  • 18" UHD+ Mini LED 120 Hz panel shows 3840 x 2400 detail

Specifications

BrandMSI
SeriesRaider 18 HX AI
ModelRaider 18 HX AI A2XWJG-841US
Part NumberMS-RAIDER18HXA2841-HID16
ColorCore Black
Operating SystemWindows 11 Home
CPUIntel Core Ultra 9-285HX
Screen18" UHD+ 120Hz
Memory128GB
Storage1 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
SSD1 TB
HDDNo
Storage Spec1 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 loud and hot does the 24-core Ultra 9-285HX and RTX 5090 run under sustained load with the Gelid GC Extreme thermal paste?

The Gelid GC Extreme thermal interface material on the CPU and GPU is applied to lower system temperatures and prevent throttling during intensive tasks, helping the 24-core processor and 24 GB GDDR7 graphics maintain performance.

What memory and storage standards must my existing drives match to work inside this 18-inch laptop?

The system uses 128 GB of DDR5 5600 MHz memory in dual-channel configuration and a 1 TB M.2 PCIe 4.0 x4 NVMe SSD, so any added storage must use the NVMe protocol.

Can I keep using my current external monitors with the 18-inch 3840 x 2400 120 Hz Mini LED panel as my primary screen?

The built-in 18-inch UHD+ Mini LED display runs at 3840 x 2400 resolution and 120 Hz, providing a high-density primary workspace that scales well alongside external displays of varying resolutions.

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