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MSI

MSI Stealth 18 HX AI A2XWJG 18" UHD+ 120Hz Mini LED Ultra 9-275HX RTX 5090 64 GB DDR5 4 TB

SKU CH-8KVF-459HA

An 18-inch UHD+ 120 Hz Mini LED gaming laptop driven by a 24-core Intel Core Ultra 9-275HX up to 5.5 GHz, RTX 5090 graphics with 24 GB GDDR7, 64 GB DDR5 and a 4 TB PCIe 4.0 NVMe SSD

  • ColorMidnight Black
  • Operating SystemWindows 11 Pro
  • CPUIntel Core Ultra 9-275HX
  • Screen18" UHD+ 120Hz
  • Memory64GB
  • Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD

CPU Name Intel Core Ultra 9 275HX

Size|OS|GPU|Memory|SSD|Option

  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|32GB|16 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|32GB|2 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|32GB|4 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|32GB|8 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|64GB|16 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|64GB|2 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|64GB|4 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|64GB|8 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|96GB|16 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|96GB|2 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|96GB|4 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 4070TI Laptop GPU|96GB|8 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|32GB|16 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|32GB|2 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|32GB|4 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|32GB|8 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|16 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|2 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|4 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|8 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|16 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|2 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|4 TB|QHD+
  • 16.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|8 TB|QHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|2 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|4 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|8 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|2 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|4 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|8 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5090 Laptop GPU|64GB|2 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5090 Laptop GPU|64GB|4 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5090 Laptop GPU|64GB|8 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5090 Laptop GPU|96GB|2 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5090 Laptop GPU|96GB|4 TB|UHD+
  • 18.0"|Windows 11 Home|NVIDIA GeForce RTX 5090 Laptop GPU|96GB|8 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|2 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|4 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|64GB|8 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|2 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|4 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5080 Laptop GPU|96GB|8 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5090 Laptop GPU|64GB|2 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5090 Laptop GPU|64GB|4 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5090 Laptop GPU|64GB|8 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5090 Laptop GPU|96GB|2 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5090 Laptop GPU|96GB|4 TB|UHD+
  • 18.0"|Windows 11 Pro|NVIDIA GeForce RTX 5090 Laptop GPU|96GB|8 TB|UHD+

Struck-through versions exist but are not stocked here.

  • 18-inch UHD+ Mini LED display at 120 Hz for crisp visuals
  • Intel Core Ultra 9 275HX 24-core CPU up to 5.5 GHz for heavy workloads
  • NVIDIA GeForce RTX 5090 laptop GPU with 24 GB GDDR7 for demanding graphics
  • 64 GB DDR5 5600 MHz dual-channel memory for smooth multitasking
  • 4 TB PCIe 4.0 NVMe SSD for fast boot and load times

18" UHD+ 120Hz Mini LED display

The Stealth 18 HX AI A2XWJG is an 18-inch gaming laptop built around a 3840 x 2400 Mini LED panel running at 120 Hz. It targets creators and engineers who need high pixel density and accurate colour on a portable workstation. The system ships with Windows 11 Pro and a midnight-black chassis measuring 15.74" x 11.41" x 0.94".

Suits GPU-heavy workflows.

The Intel Core Ultra 9-275HX delivers 24 cores with a 5.5 GHz max turbo, paired with an RTX 5090 laptop GPU carrying 24 GB of GDDR7 memory. That combination handles 3D rendering, simulation and large-model inference. At 6.39 lbs the machine is substantial, so buyers prioritising daily carry under 4 lbs should consider thinner alternatives.

24 GB GDDR7 video memory decides fit

The discrete graphics card provides 24 GB of GDDR7 VRAM, the single figure that determines whether the laptop can hold your working datasets or high-resolution textures without paging to system memory. If your workload fits within that frame buffer the Stealth 18 HX AI will sustain full GPU clocks; if it exceeds it, you will need a desktop-class solution.

Highlights

  • 18-inch UHD+ Mini LED display at 120 Hz for crisp visuals
  • Intel Core Ultra 9 275HX 24-core CPU up to 5.5 GHz for heavy workloads
  • NVIDIA GeForce RTX 5090 laptop GPU with 24 GB GDDR7 for demanding graphics
  • 64 GB DDR5 5600 MHz dual-channel memory for smooth multitasking
  • 4 TB PCIe 4.0 NVMe SSD for fast boot and load times

Specifications

BrandMSI
SeriesMSI Stealth 18 HX AI
ModelStealth 18 HX AI A2XWJG-035US
Part NumberMS-STEALTH18A2035-HID2
ColorMidnight Black
Operating SystemWindows 11 Pro
CPUIntel Core Ultra 9-275HX
Screen18" UHD+ 120Hz
Memory64GB
Storage4 TB M.2 PCIe 4.0 x4 NVMe SSD
Graphics CardNVIDIA® GeForce RTX™ 5090 Laptop GPU
Video Memory24GB
CommunicationLAN and WLAN
Dimensions (W x D x H)15.74" x 11.41" x 0.94"
Weight6.39 lbs
CPU TypeIntel Core Ultra 9 (Series 2)
Processor NameIntel Core Ultra 9 275HX
Number of Cores24-core (8P+16E) Processor
Turbo FrequencyMax Turbo Frequency 5.5 GHz
CPU L3 Cache36 MB
Screen Size18.0"
TouchscreenNon-Touch Screen
Display TypeUHD+
Resolution3840 x 2400
Refresh Rate120Hz
Display FeaturesMini LED HDR
GPU/VPUNVIDIA GeForce RTX 5090 Laptop GPU
SSD4TB
HDDNo
Storage Spec4 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory Speed5600MHz (Speeds subject to system capability)
Memory Spec2 x 32 GB
Max Memory Supported128GB
LANKiller E3100G
WLANKiller WiFi 7 BE1750
BluetoothBT 5.4
USB2x Type-A USB3.2 Gen2
Thunderbolt2x Thunderbolt™ 4 (DisplayPort™/ Power Delivery 3.1)
HDMI1x HDMI™ 2.1 (8K @ 60Hz / 4K @ 120Hz)
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 ReaderSD Express Card Reader
StyleStandard
TypeGaming
UsageConsumer
AC Adapter/Charger280W
Battery4 cell (90Whr) Li-Ion

Other versions of this model

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Questions about this item

Will the 18 inch chassis fit in a standard 18 inch laptop sleeve?

The chassis measures 15.74 by 11.41 by 0.94 inches and weighs 6.39 lbs; compare those dimensions with the sleeve interior before buying.

Does the 64 GB DDR5 5600 configuration run at its rated speed out of the box?

The memory is installed as two 32 GB modules in dual channel; the system will operate at the highest speed the CPU and chipset support, which may be lower than the module rating.

What storage expansion is possible beyond the 4 TB PCIe 4.0 x4 NVMe SSD?

The 4 TB drive occupies one M.2 PCIe 4.0 x4 NVMe slot; any additional M.2 slots depend on the mainboard layout, which is not detailed in the supplied specifications.

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