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Midnight Black 18 inch gaming laptop with thin bezels

MSI

MSI Stealth A18 AI+ A3XWJG 18" UHD+ 120Hz Mini LED Ryzen AI 9 HX 370 RTX 5090 64GB 2TB gaming

SKU CH-BVW9-EAQG5

An 18-inch UHD+ 120Hz Mini LED laptop with a 12-core Ryzen AI 9 HX 370 processor, RTX 5090 graphics with 24GB GDDR7, 64GB DDR5 memory and a 2TB PCIe 4.0 NVMe SSD

  • Screen size18.0 in (45.7 cm)
  • ProcessorAMD Ryzen AI 300 Series
  • 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 AMD Ryzen AI 9 HX 370

Size 18.0"

Operating System Windows 11 Pro

GPU NVIDIA GeForce RTX 5090 Laptop GPU

Memory 64GB

SSD 2 TB

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

18-inch Mini LED UHD+ display

This 18-inch laptop uses a Mini LED panel with a 3840 x 2400 resolution and a 120 Hz refresh rate. The screen targets creative professionals and gamers who need accurate colour and high detail. Windows 11 Pro comes pre-installed by the builder.

Ryzen AI 9 HX 370 with RTX 5090 24 GB

The 12-core processor reaches a 5.1 GHz turbo frequency and pairs with an NVIDIA GeForce RTX 5090 laptop GPU carrying 24 GB of GDDR7 memory. This combination suits heavy 3D rendering, AI workloads and high-refresh gaming. Buyers needing longer unplugged runtime or a lighter chassis should consider thinner ultraportables instead.

Gelid GC Extreme thermal interface upgrade

The builder replaces stock paste with Gelid GC Extreme on both CPU and GPU to lower sustained temperatures. This reduces throttling during extended compile, render or training sessions. The 64 GB DDR5 5600 dual-channel kit and 2 TB PCIe 4.0 x4 NVMe SSD maintain throughput without thermal bottlenecks.

How it compares

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

Price $3,934.99
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-HID1P
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 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 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 Pro
More details
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)

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Questions about this item

Does this laptop need an external power supply to run the RTX 5090?

The system ships with its own power adapter; the RTX 5090 with 24 GB GDDR7 draws power through the internal motherboard so no separate supply is required.

Can I keep using my existing DDR5 5600 memory modules alongside the installed 64 GB?

Both SO-DIMM slots are already occupied by the 2 x 32 GB kit, so additional modules cannot be added without removing the factory memory.

How do I verify the 18" UHD+ 120 Hz Mini LED panel is running at 3840 x 2400 and 120 Hz?

Open Windows Display settings or the NVIDIA control panel and confirm the resolution shows 3840 x 2400 with a 120 Hz refresh rate selected.

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