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Midnight black 18 inch gaming laptop closed lid matte finish

MSI

MSI Stealth A18 AI+ A3XWIG 18" UHD+ 120Hz Mini LED Ryzen AI 9 HX 370 RTX 5080 96GB DDR5 8TB

SKU CH-TAQS-X1HBN

An 18-inch UHD+ 120Hz Mini LED gaming laptop with a 12-core Ryzen AI 9 HX 370 processor, RTX 5080 graphics with 16GB GDDR7, 96GB DDR5 memory and an 8TB PCIe 4.0 NVMe SSD

  • ColorMidnight Black
  • Operating SystemWindows 11 Home
  • CPUAMD Ryzen AI 9 HX 370
  • Screen18" UHD+ 120Hz
  • Memory96GB
  • Storage8 TB M.2 PCIe 4.0 x4 NVMe SSD

CPU Name AMD Ryzen AI 9 HX 370

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" UHD+ Mini LED at 120Hz for razor-sharp visuals
  • Ryzen AI 9 HX 370 with 12 cores and 5.1 GHz turbo for heavy workloads
  • RTX 5080 with 16 GB GDDR7 for high-end gaming and creative power
  • 96 GB DDR5 dual-channel memory for smooth multitasking
  • 8 TB PCIe 4.0 NVMe SSD for massive, fast storage

18-inch UHD+ Mini LED display

This 18-inch laptop shows games and creative work on a UHD+ Mini LED panel at 120 Hz. The 3840 x 2400 resolution gives sharp detail for colour-critical tasks. A 12-core Ryzen AI 9 HX 370 processor and RTX 5080 graphics drive the screen. The system ships with Windows 11 Home.

Gelid GC Extreme thermal compound

HIDevolution applies Gelid GC Extreme between the CPU, GPU and their coolers to lower peak temperatures. The paste reduces throttling during sustained loads so the 12-core processor can hold higher clocks longer. Standard chassis dimensions of 15.74 x 11.41 x 0.94 inches and 6.39 lbs weight remain unchanged. The upgrade is performed before the unit leaves the builder.

96 GB DDR5 and 8 TB PCIe 4.0 storage

Two 48 GB DDR5 5600 modules provide 96 GB of dual-channel memory for large datasets and heavy multitasking. An 8 TB M.2 PCIe 4.0 x4 NVMe SSD holds operating system, games and project files with fast read and write speeds. The RTX 5080 adds 16 GB GDDR7 video memory for texture-heavy workloads. Combined capacity covers most professional and enthusiast needs.

Highlights

  • 18" UHD+ Mini LED at 120Hz for razor-sharp visuals
  • Ryzen AI 9 HX 370 with 12 cores and 5.1 GHz turbo for heavy workloads
  • RTX 5080 with 16 GB GDDR7 for high-end gaming and creative power
  • 96 GB DDR5 dual-channel memory for smooth multitasking
  • 8 TB PCIe 4.0 NVMe SSD for massive, fast storage

Specifications

BrandMSI
SeriesMSI Stealth A18 AI+
ModelStealth A18 AI+ A3XWIG-009US
Part NumberMS-STEALTHA18AI3009-HID6
ColorMidnight Black
Operating SystemWindows 11 Home
CPUAMD Ryzen AI 9 HX 370
Screen18" UHD+ 120Hz
Memory96GB
Storage8 TB M.2 PCIe 4.0 x4 NVMe SSD
Graphics CardNVIDIA® GeForce RTX™ 5080 Laptop GPU
Video Memory16GB
CommunicationLAN and WLAN
Dimensions (W x D x H)15.74" x 11.41" x 0.94"
Weight6.39 lbs
CPU TypeAMD Ryzen AI 300 Series
Processor NameAMD Ryzen AI 9 HX 370
Number of Cores12-core Processor
Turbo FrequencyMax Turbo Frequency 5.1 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 5080 Laptop GPU
SSD8TB
HDDNo
Storage Spec8 TB M.2 PCIe 4.0 x4 NVMe SSD
Memory Speed5600MHz (Speeds subject to system capability)
Memory Spec2 x 48 GB
Max Memory Supported128GB
LAN2.5GbE Lan
WLAN802.11 be Wi-Fi 7
BluetoothBT 5.4
USB2x Type-A USB3.2 Gen2
Thunderbolt2x Type-C (USB4® / DisplayPort™/ Power Delivery 3.1/ Thunderbolt™ 4 compatible)
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

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 18 inch UHD+ 120Hz Mini LED panel fit in a standard 18 inch laptop sleeve?

The chassis measures 15.74 by 11.41 by .94 inches and weighs 6.39 lbs, so a sleeve sized for 18 inch laptops with at least those internal dimensions will accommodate it.

Does the 96 GB DDR5 5600 MHz memory run in dual channel?

Yes, the configuration uses two 48 GB modules installed in dual channel mode for full bandwidth.

Can the 8 TB PCIe 4.0 x4 NVMe SSD be expanded later without voiding the build-to-order warranty?

The BTO warranty covers the original upgrades; adding another M.2 drive yourself does not affect that coverage.

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