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MSI

MSI Raider 18 HX AI A2XWJG-841US 18" UHD+ 120Hz Mini LED gaming laptop

SKU CH-6G2A-JJ91X

An 18-inch UHD+ 120Hz Mini LED gaming laptop with a 24-core Intel Core Ultra 9-285HX, NVIDIA RTX 5090 24GB GDDR7 graphics, 64GB DDR5 memory, and 8TB NVMe storage

  • ColorCore Black
  • Operating SystemWindows 11 Pro
  • CPUIntel Core Ultra 9-285HX
  • Screen18" UHD+ 120Hz
  • Memory64GB
  • Storage8 TB M.2 PCIe NVMe Gen4 SSD
  • 24-core Intel Ultra 9 285HX reaches 5.5 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives high-frame-rate 4K gaming
  • 18" UHD+ Mini LED 120Hz panel shows 3840 x 2400 detail
  • 64 GB DDR5 5600 MHz dual-channel memory handles large datasets
  • 8 TB PCIe 4.0 NVMe SSD (2 x 4 TB) loads games and apps fast

Core Black 18-inch UHD+ Mini LED laptop

The MSI Raider 18 HX AI A2XWJG-841US is an 18-inch gaming laptop finished in Core Black. It runs Windows 11 Pro on an Intel Core Ultra 9 285HX processor with 24 cores and a maximum turbo frequency of 5.5 GHz. The panel delivers a 3840 x 2400 resolution at 120 Hz using Mini LED technology. An NVIDIA GeForce RTX 5090 laptop GPU with 24 GB of GDDR7 memory handles graphics workloads.

Gelid GC Extreme thermal interface upgrade

HIDevolution applies Gelid GC Extreme thermal interface material to the CPU and GPU during the build-to-order process. This upgrade targets lower system temperatures under heavy CPU and GPU loads to reduce the likelihood of thermal throttling. The laptop includes LAN and WLAN communication. The chassis measures 15.91 by 12.09 by 1.26 inches and weighs 7.94 lbs.

8 TB PCIe 4.0 NVMe storage and 64 GB DDR5 memory

The configuration ships with 8 TB of storage arranged as two 4 TB M.2 PCIe 4.0 x4 NVMe SSDs for fast boot and load times. System memory totals 64 GB across two 32 GB DDR5 5600 MHz modules running in dual channel. HIDevolution performs a full quality check including BIOS and driver updates, burn-in stress testing, benchmark verification, keyboard, touchpad, port, display and physical inspection before shipment.

Highlights

  • 24-core Intel Ultra 9 285HX reaches 5.5 GHz turbo for heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives high-frame-rate 4K gaming
  • 18" UHD+ Mini LED 120Hz panel shows 3840 x 2400 detail
  • 64 GB DDR5 5600 MHz dual-channel memory handles large datasets
  • 8 TB PCIe 4.0 NVMe SSD (2 x 4 TB) loads games and apps fast

Specifications

BrandMSI
SeriesRaider 18 HX AI
ModelRaider 18 HX AI A2XWJG-841US
Part NumberMS-RAIDER18HXA2841-HID9P
ColorCore Black
Operating SystemWindows 11 Pro
CPUIntel Core Ultra 9-285HX
Screen18" UHD+ 120Hz
Memory64GB
Storage8 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
SSD8 TB
HDDNo
Storage Spec2 x 4 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory Speed5600MHz (Speeds subject to system capability)
Memory Spec2 x 32 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 do I install the Gelid GC Extreme thermal interface material on the CPU and GPU, and what step is commonly missed?

The Gelid GC Extreme is pre-applied by the builder; the step users often miss is re-applying it if the heatsink is ever removed for cleaning or upgrade.

Which components will need replacement or maintenance after extended use?

The 2 x 4 TB M.2 PCIe 4.0 NVMe SSDs and 2 x 32 GB DDR5 5600 MHz modules are user-replaceable; battery and cooling fans may require service over time.

What thermal or power limit appears first during sustained gaming loads?

The CPU max turbo of 5.5 GHz and GPU 24 GB GDDR7 will throttle once the cooling solution reaches its thermal capacity under continuous load.

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