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Midnight Black 18 inch gaming laptop closed lid matte finish

MSI

MSI Stealth 18 HX AI A2XWJG-035US HIDevolution gaming laptop

SKU CH-AE3V-P9MYA

An 18 inch UHD+ 120Hz Mini LED gaming laptop with an Intel Core Ultra 9 275HX 24 core processor, NVIDIA GeForce RTX 5090 24GB GDDR7 graphics, 64GB DDR5 memory and a 2TB PCIe 4.0 NVMe SSD

  • Screen size18.0 in (45.7 cm)
  • ProcessorIntel Core Ultra 9 (Series 2)
  • Graphics processorNVIDIA GeForce RTX 5090 Laptop GPU
  • Memory size64 GB
  • Storage drive2 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Display resolution3840 × 2400

CPU Name Intel Core Ultra 9 275HX

Size 18.0"

Operating System Windows 11 Pro

GPU NVIDIA GeForce RTX 5090 Laptop GPU

Memory 64GB

SSD 2 TB

  • 18-inch UHD+ Mini LED display at 120 Hz for sharp motion
  • Intel Core Ultra 9 275HX 24-core CPU up to 5.5 GHz turbo
  • NVIDIA RTX 5090 laptop GPU with 24 GB GDDR7 video memory
  • 64 GB DDR5 5600 MHz dual-channel RAM for heavy multitasking
  • 2 TB PCIe 4.0 NVMe SSD for fast boot and load times

18-inch UHD+ Mini LED display

The 18-inch Mini LED panel delivers a 3840 by 2400 resolution at a 120Hz refresh rate. This screen size and pixel density suit content creators and competitive gamers who need accurate colour and smooth motion in a single portable chassis.

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 peak temperatures during sustained workloads, reducing the likelihood of throttling when the system is pushed hard for long periods.

64 GB DDR5 5600 MHz memory

Dual-channel 64 GB DDR5 at 5600 MHz provides ample headroom for large datasets, virtual machines and heavy multitasking. The 2 TB PCIe 4.0 x4 NVMe SSD offers fast boot and load times, while capacity remains sufficient for most game libraries and project files.

How it compares

Measured against everything we stock in Gaming Laptop Computers, at today’s prices. Recalculated every night.

Price $3,497.99
Pricier than about 84% of the 5,382 comparable items (median $1,978.99).
Screen size 18.0 in (45.7 cm)
Higher than about 90% of the 5,361 comparable items (median 16 in).
Refresh frequency 120 Hz
Lower than about 90% of the 2,443 comparable items (median 165 Hz).

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Specifications

Product
Brand nameMSI
Product lineMSI Stealth 18 HX AI
Model nameStealth 18 HX AI A2XWJG-035US
Part numberMS-STEALTH18A2035-HID1
Product colorMidnight Black
Design styleStandard
Product typeGaming
Recommended useConsumer
Processor
ProcessorIntel Core Ultra 9-275HX
Processor modelIntel Core Ultra 9 275HX
CPU cores24-core (8P+16E) Processor
Turbo clock speed5.5 GHz
L3 cache size36 MB
Memory
Memory size64 GB
RAM type and speed5600 MHz (Speeds subject to system capability)
Memory configuration2 × 32 GB
Maximum supported memory128 GB
Storage
Storage drive2 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage2 TB
Hard driveNo
Storage configuration2 TB M.2 PCIe 4.0 x4 NVMe SSD
Display
Screen size18.0 in (45.7 cm)
Display resolution3840 × 2400
Refresh frequency120 Hz
Touch inputNon-Touch Screen
Display18 in UHD+ 120 Hz
Display formatUHD+
Screen featuresMini LED HDR
Graphics
Graphics processorNVIDIA GeForce RTX 5090 Laptop GPU
Video RAM24 GB
GPU modelNVIDIA® GeForce RTX™ 5090 Laptop GPU
Audio & video
Web cameraIR FHD w/shutter
Connectivity
NetworkingLAN and WLAN
LAN connectionKiller E3100G
Wi-FiKiller WiFi 7 BE1750
Bluetooth supportBT 5.4
Ports & slots
USB ports2x Type-A USB3.2 Gen2
Thunderbolt ports2x Thunderbolt™ 4 (DisplayPort™/ Power Delivery 3.1)
HDMI ports1x HDMI™ 2.1 (8K @ 60 Hz / 4K @ 120 Hz)
Audio jacks1x Mic-in/Headphone-out Combo Jack
Memory card readerSD Express Card Reader
Power
Power adapter280 W
Battery pack4 cell (90Whr) Li-Ion
Size & build
Overall dimensions15.74 in × 11.41 in × 0.94 in
Product weight6.39 lb (2.9 kg)
Software
Operating systemWindows 11 Pro
More details
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)

Other versions of this model

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Questions about this item

What are the exact chassis dimensions for the 18" UHD+ 120Hz Mini LED model?

The laptop measures 15.74" wide by 11.41" deep by 0.94" high and weighs 6.39 lbs.

How is the Gelid GC Extreme thermal compound applied to the Ultra 9-275HX and RTX 5090, and what step is critical?

The compound is pre-applied by the builder during assembly; the critical step is ensuring the heatsink makes full, even contact without air gaps.

Which components can be upgraded later on the Stealth 18 HX AI A2XWJG-035US?

The 2 TB M.2 PCIe 4.0 x4 NVMe SSD and the 64 GB DDR5 5600MHz memory (2 x 32 GB) are replaceable; the CPU and GPU are soldered.

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