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MSI

MSI Stealth A18 AI+ A3XWJG-006US gaming laptop 18" UHD+ 120Hz Mini LED Ryzen AI 9 HX 370 RTX

SKU CH-G7B7-B7781

An 18-inch UHD+ 120Hz Mini LED gaming laptop powered by a 12-core Ryzen AI 9 HX 370 and RTX 5090 with 24GB GDDR7, 64GB DDR5 and 4TB NVMe storage

  • Screen size18.0 in (45.7 cm)
  • ProcessorAMD Ryzen AI 300 Series
  • Graphics processorNVIDIA GeForce RTX 5090 Laptop GPU
  • Memory size64 GB
  • Storage drive4 TB M.2 PCIe 4.0 x4 NVMe SSD
  • Display resolution3840 × 2400

CPU Name AMD Ryzen AI 9 HX 370

Size 18.0"

Operating System Windows 11 Home

GPU NVIDIA GeForce RTX 5090 Laptop GPU

Memory 64GB

SSD 4 TB

  • 12-core Ryzen AI 9 HX 370 hits 5.1 GHz for heavy workloads
  • RTX 5090 with 24 GB GDDR7 drives 4K gaming and creative tasks
  • 18-inch UHD+ Mini LED at 120 Hz delivers sharp, bright visuals
  • 64 GB DDR5 5600 MHz dual-channel memory handles large multitasking
  • 4 TB PCIe 4.0 NVMe SSD provides fast boot and load times

18-inch UHD+ Mini LED Gaming Laptop

The MSI Stealth A18 AI+ A3XWJG-006US is an 18-inch gaming laptop built around a 12-core Ryzen AI 9 HX 370 processor and an RTX 5090 GPU with 24 GB GDDR7. It targets creators and enthusiasts who need desktop-class graphics and AI acceleration in a portable Midnight Black chassis. Windows 11 Home ships pre-installed.

64 GB DDR5 memory and 4 TB PCIe 4.0 NVMe storage

Dual-channel DDR5 5600 MHz memory provides 64 GB of capacity for heavy multitasking and large dataset workloads. The 4 TB NVMe SSD delivers fast boot and load times for extensive game libraries and project files. Memory-intensive applications run comfortably within this headroom.

Gelid GC Extreme thermal compound

The vendor applies Gelid GC Extreme on the CPU and GPU to lower temperatures and reduce throttling during sustained loads. A full quality-control pass verifies BIOS firmware, stress-test stability, keyboard, touchpad, ports and display uniformity. The slim 0.94-inch thickness and 6.39 lb weight define daily portability.

How it compares

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

Price $3,872.99
Pricier than about 87% 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 A18 AI+
Model nameStealth A18 AI+ A3XWJG-006US
Part numberMS-STEALTHA18AI3006-HID2
Product colorMidnight Black
Design styleStandard
Product typeGaming
Recommended useConsumer
Processor
ProcessorAMD Ryzen AI 9 HX 370
Processor modelAMD Ryzen AI 9 HX 370
CPU cores12-core Processor
Turbo clock speed5.1 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 drive4 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage4 TB
Hard driveNo
Storage configuration4 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 connection2.5GbE Lan
Wi-Fi802.11 be Wi-Fi 7
Bluetooth supportBT 5.4
Ports & slots
USB ports2x Type-A USB3.2 Gen2
Thunderbolt ports2x Type-C (USB4® / DisplayPort™/ Power Delivery 3.1/ Thunderbolt™ 4 compatible)
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 Home
More details
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)

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