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Core Black 18 inch gaming laptop with Mini LED display

MSI

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

SKU CH-D4T8-ZJ3W4

18-inch UHD+ 120 Hz Mini LED laptop with Intel Core Ultra 9 285HX, RTX 5090 24 GB GDDR7, 128 GB DDR5 and 16 TB NVMe storage

  • ColorCore Black
  • Operating SystemWindows 11 Pro
  • CPUIntel Core Ultra 9-285HX
  • Screen18" UHD+ 120Hz
  • Memory128GB
  • Storage16 TB M.2 PCIe NVMe Gen4 SSD
  • 18-inch UHD+ Mini LED display at 120 Hz for crisp visuals
  • Intel Core Ultra 9 285HX with 24 cores and 5.5 GHz turbo for heavy compute
  • NVIDIA GeForce RTX 5090 GPU with 24 GB GDDR7 for high-end graphics
  • 128 GB DDR5 5600 MHz memory in dual channel for multitasking headroom
  • 16 TB PCIe 4.0 NVMe SSD across two drives for massive fast storage

18-inch UHD+ Mini LED display

The 18-inch UHD+ panel runs at 3840 x 2400 and 120 Hz with Mini LED backlighting. It targets creators and gamers who need a large, high-resolution canvas for colour-critical work and immersive play. The form factor suits stationary setups where screen real estate outweighs portability. Windows 11 Pro is pre-installed for immediate professional use.

Gelid GC Extreme thermal compound upgrade

HIDevolution replaces the stock thermal interface material with Gelid GC Extreme on both the CPU and GPU. The upgrade lowers sustained temperatures and reduces throttling during extended compute or render sessions. It is worth the jump when workloads regularly push the 24-core Ultra 9 285HX and RTX 5090 near their limits for long periods. The custom application is covered by the builder’s warranty.

128 GB DDR5 5600 dual-channel memory

The system ships with 128 GB of DDR5 5600 in a 2 x 64 GB dual-channel configuration. This capacity keeps large datasets, virtual machines and heavy multitasking in fast memory without paging to the 16 TB PCIe 4.0 NVMe array. Under sustained load the memory subsystem feeds the 24-core processor and 24 GB GDDR7 GPU continuously, avoiding the bottlenecks seen with smaller kits.

Highlights

  • 18-inch UHD+ Mini LED display at 120 Hz for crisp visuals
  • Intel Core Ultra 9 285HX with 24 cores and 5.5 GHz turbo for heavy compute
  • NVIDIA GeForce RTX 5090 GPU with 24 GB GDDR7 for high-end graphics
  • 128 GB DDR5 5600 MHz memory in dual channel for multitasking headroom
  • 16 TB PCIe 4.0 NVMe SSD across two drives for massive fast storage

Specifications

BrandMSI
SeriesRaider 18 HX AI
ModelRaider 18 HX AI A2XWJG-841US
Part NumberMS-RAIDER18HXA2841-HID20P
ColorCore Black
Operating SystemWindows 11 Pro
CPUIntel Core Ultra 9-285HX
Screen18" UHD+ 120Hz
Memory128GB
Storage16 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
SSD16 TB
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)
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 are the exact chassis dimensions for the 18-inch Raider 18 HX AI A2XWJG-841US?

The laptop measures 15.91 inches wide by 12.09 inches deep by 1.26 inches high and weighs 7.94 lbs, so verify your bag or shelf clearance against those figures before ordering.

How is the Gelid GC Extreme thermal compound applied during the HIDevolution build process, and what step is critical?

Technicians disassemble the cooling assembly, clean the factory paste from the Core Ultra 9 285HX and RTX 5090 dies, then apply a thin, even layer of Gelid GC Extreme before reassembly; skipping the cleaning step traps air bubbles and reduces heat transfer.

Which storage and memory modules can be replaced later in the 16 TB and 128 GB configuration?

The system uses two 8 TB M.2 PCIe 4.0 x4 NVMe SSDs and two 64 GB DDR5 5600 MHz SO-DIMMs; all four modules occupy the available slots, so future upgrades require removing an existing drive or memory stick.

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