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MSI

MSI Raider 18 HX AI A2XWJG-841US 128 GB DDR5 gaming laptop

SKU CH-47E6-MNRKV

18-inch UHD+ 120Hz Mini LED gaming laptop with Intel Core Ultra 9 285HX 24-core processor, NVIDIA RTX 5090 24 GB GDDR7 graphics, 128 GB DDR5 memory and 2 TB PCIe NVMe 4.0 SSD

  • ColorCore Black
  • Operating SystemWindows 11 Home
  • CPUIntel Core Ultra 9-285HX
  • Screen18" UHD+ 120Hz
  • Memory128GB
  • Storage2 TB M.2 PCIe NVMe Gen4 SSD
  • Intel Core Ultra 9 285HX 24-core CPU reaches 5.5 GHz turbo for heavy workloads
  • NVIDIA RTX 5090 GPU with 24 GB GDDR7 drives 4K gaming and AI tasks
  • 18-inch UHD+ Mini LED display at 120 Hz shows 3840 x 2400 detail
  • 128 GB DDR5 5600 MHz memory in dual channel handles large datasets
  • 2 TB PCIe 4.0 NVMe SSD provides fast boot and load times

18-inch UHD+ Mini LED Display

The MSI Raider 18 HX AI A2XWJG-841US is an 18-inch gaming laptop built around a 3840 x 2400 Mini LED panel running at 120 Hz. It targets users who need desktop-class graphics and memory capacity in a portable chassis for content creation, simulation or competitive play.

Suits memory-intensive workflows.

Creators and engineers running large datasets, virtual machines or 24 GB VRAM workloads will use the 128 GB DDR5 5600 MHz configuration and RTX 5090 GPU. Buyers who prioritise light weight, long battery life or a smaller footprint should consider thinner alternatives.

128 GB DDR5 5600 MHz dual-channel memory

The system ships with two 64 GB modules operating at 5600 MHz, providing the single specification that determines whether this laptop can hold the working set your applications demand.

Highlights

  • Intel Core Ultra 9 285HX 24-core CPU reaches 5.5 GHz turbo for heavy workloads
  • NVIDIA RTX 5090 GPU with 24 GB GDDR7 drives 4K gaming and AI tasks
  • 18-inch UHD+ Mini LED display at 120 Hz shows 3840 x 2400 detail
  • 128 GB DDR5 5600 MHz memory in dual channel handles large datasets
  • 2 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-HID17
ColorCore Black
Operating SystemWindows 11 Home
CPUIntel Core Ultra 9-285HX
Screen18" UHD+ 120Hz
Memory128GB
Storage2 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
SSD2 TB
HDDNo
Storage Spec2 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

What PCIe standard does the 2 TB NVMe SSD use, and what throughput ceiling does that impose?

The drive is a PCIe 4.0 x4 NVMe SSD, so sequential reads and writes are limited to the Gen4 lane ceiling of roughly 7 GB/s.

What are the chassis dimensions and weight that determine whether it fits a bag or mount?

The laptop measures 15.91 x 12.09 x 1.26 inches and weighs 7.94 lbs, so verify bag depth and sleeve clearance before buying.

How is the 128 GB DDR5 memory configured, and which installation step is often missed?

It ships as 2 x 64 GB modules running at 5600 MHz in dual channel; the step people skip is confirming both slots are populated so dual-channel mode actually engages.

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