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An 18 inch Core Black gaming laptop with a thin profile

MSI

MSI Raider 18 HX AI A2XWJG-841US 64 GB gaming laptop

SKU CH-GN09-96318

18-inch UHD+ 120 Hz Mini LED laptop with Intel Core Ultra 9 285HX 24-core CPU, RTX 5090 24 GB GDDR7 graphics, 64 GB DDR5 memory and 16 TB PCIe 4.0 NVMe storage

  • ColorCore Black
  • Operating SystemWindows 11 Pro
  • CPUIntel Core Ultra 9-285HX
  • Screen18" UHD+ 120Hz
  • Memory64GB
  • Storage16 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 high-frame-rate 4K gaming
  • 18-inch UHD+ Mini LED at 120 Hz and 3840 x 2400 for sharp visuals
  • 64 GB DDR5 5600 MHz dual-channel memory handles large workloads
  • 16 TB PCIe 4.0 NVMe SSD (2 x 8 TB) provides vast fast storage

Raider 18 HX AI 18-inch UHD+ Mini LED

The MSI Raider 18 HX AI A2XWJG-841US is an 18-inch gaming laptop built around an Intel Core Ultra 9 285HX processor and an NVIDIA GeForce RTX 5090 Laptop GPU with 24 GB GDDR7 memory. It ships with Windows 11 Pro and targets users who need desktop-class compute and graphics in a portable chassis.

Gelid GC Extreme thermal compound on CPU and GPU

HIDevolution applies Gelid GC Extreme thermal interface material to the processor and graphics chip during assembly. The custom upgrade is intended to lower component temperatures under load and reduce the likelihood of thermal throttling during sustained workloads. The laptop measures 15.91 by 12.09 by 1.26 inches and weighs 7.94 lbs.

64 GB DDR5 5600 dual-channel memory

The system includes 64 GB of DDR5 5600 MHz memory in a dual-channel configuration and 16 TB of storage provided by two 8 TB M.2 PCIe 4.0 x4 NVMe SSDs. This combination supports large memory-footprint applications and fast data access without relying on external drives. The 120 Hz Mini LED panel runs at 3840 x 2400 resolution.

Highlights

  • 24-core Ultra 9 285HX reaches 5.5 GHz turbo for heavy compute
  • RTX 5090 with 24 GB GDDR7 drives high-frame-rate 4K gaming
  • 18-inch UHD+ Mini LED at 120 Hz and 3840 x 2400 for sharp visuals
  • 64 GB DDR5 5600 MHz dual-channel memory handles large workloads
  • 16 TB PCIe 4.0 NVMe SSD (2 x 8 TB) provides vast fast storage

Specifications

BrandMSI
SeriesRaider 18 HX AI
ModelRaider 18 HX AI A2XWJG-841US
Part NumberMS-RAIDER18HXA2841-HID10P
ColorCore Black
Operating SystemWindows 11 Pro
CPUIntel Core Ultra 9-285HX
Screen18" UHD+ 120Hz
Memory64GB
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 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

What PCIe generation does the 16 TB storage use, and what throughput does that cap at in practice?

The two 8 TB M.2 drives run on PCIe 4.0 x4 NVMe, so sequential reads top out around 7 GB/s and writes near 5 GB/s in real workloads.

What are the exact chassis dimensions and weight for checking bag or desk fit?

The laptop measures 15.91 by 12.09 by 1.26 inches and weighs 7.94 pounds.

How is the Gelid GC Extreme thermal paste applied, and what step do builders often skip?

The factory reapplies Gelid GC Extreme on both CPU and GPU after cleaning old paste; the step often missed is re-torquing the heatsink screws in a cross pattern to avoid uneven pressure.

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