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Midnight Black 18 inch gaming laptop with thin magnesium aluminum chassis

MSI

MSI Stealth A18 AI+ A3HWIG-019US gaming laptop

SKU CH-PCCG-DE637 MPN Stealth A18 AI+ A3HWIG-019US

An 18-inch Copilot+ gaming laptop with an AMD Ryzen AI 9 365 processor, 32 GB DDR5 memory, 1 TB NVMe storage and an NVIDIA GeForce RTX 5080 16 GB GPU

  • ColorMidnight Black
  • Operating SystemWindows 11 Home
  • CPUAMD Ryzen AI 9 365
  • Screen18"
  • Memory32GB DDR5
  • Storage1 TB NVMe SSD Gen4x4
  • AMD Ryzen AI 9 365 10-core processor powers AI workloads
  • NVIDIA GeForce RTX 5080 16GB GPU accelerates DLSS gaming
  • 18-inch 2560 x 1600 display gives sharp visuals
  • 32GB DDR5 memory and 1TB NVMe SSD ensure fast access
  • Slim 0.94-inch magnesium-aluminum chassis weighs 6.39 lbs

18-inch Copilot+ gaming notebook

The MSI Stealth A18 AI+ A3HWIG-019US is an 18-inch Copilot+ PC built for gaming, creative work and business use. It pairs an AMD Ryzen AI 9 365 processor with an NVIDIA GeForce RTX 5080 Laptop GPU and 16 GB of video memory. The system ships with 32 GB of DDR5 memory and a 1 TB NVMe SSD. Windows 11 Home is pre-installed.

Suited for mobile power users.

This notebook suits users who want desktop-class graphics and AI acceleration in a single chassis. The 10-core Ryzen AI 300 series CPU and RTX 5080 handle modern titles, rendering and AI workloads. At 6.39 lbs and 0.94 inches thick it is portable but not ultra-light, so buyers prioritising minimum weight should consider smaller alternatives.

Fits a high-performance mobile setup

An 18.0-inch 2560 x 1600 non-touch display provides a large workspace without external monitors. Connectivity includes one HDMI 2.1 port, two USB 3.2 Gen 2 Type-A ports, 2.5 Gb Ethernet and Wi-Fi 7 for fast wired and wireless links. The 32 GB DDR5 and 1 TB Gen4x4 SSD leave no immediate need for memory or storage upgrades. The magnesium-aluminium alloy chassis in Midnight Black keeps the footprint compact for an 18-inch class machine.

Highlights

  • AMD Ryzen AI 9 365 10-core processor powers AI workloads
  • NVIDIA GeForce RTX 5080 16GB GPU accelerates DLSS gaming
  • 18-inch 2560 x 1600 display gives sharp visuals
  • 32GB DDR5 memory and 1TB NVMe SSD ensure fast access
  • Slim 0.94-inch magnesium-aluminum chassis weighs 6.39 lbs

Specifications

BrandMSI
ModelStealth A18 AI+ A3HWIG-019US
Part NumberStealth A18 AI+ A3HWIG-019US
ColorMidnight Black
Operating SystemWindows 11 Home
CPUAMD Ryzen AI 9 365
Screen18"
Memory32GB DDR5
Storage1 TB NVMe SSD Gen4x4
Graphics CardNVIDIA GeForce RTX 5080 Laptop GPU
Video Memory16GB
CommunicationGB LAN (Up to 2.5G)
AI FeaturesAI Ready
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 9 365
Number of Cores10-core Processor
CPU L2 Cache10MB
CPU L3 Cache24 MB
Screen Size18.0"
TouchscreenNon-Touch Screen
Wide Screen SupportYes
Display TypeQHD+
Resolution2560 x 1600
Refresh Rate240 Hz
Color Gamut100% DCI-P3
GPU/VPUGeForce RTX 5080 Laptop GPU
Graphic TypeDedicated Card
SSD1TB NVMe
Memory SpeedDDR5 5600
Memory Spec16 GB x 2
Memory Slot (Total)2
Memory Slot (Available)0
Max Memory Supported96 GB
Optical Drive TypeNo
LANGB LAN (Up to 2.5G)
WLANMTK Wi-Fi 7
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
USB2 x USB 3.2 Gen 2 Type-A
Thunderbolt2 x Thunderbolt 4
HDMI1 x HDMI 2.1
Ethernet1 x RJ-45 (2.5Gbps)
Audio Ports1 x Headphone/Microphone Combo Jack
AudioSound by Dynaudio
Speaker2x2W Speaker, 4x2W Woofer
Virtual Reality ReadyYes
TouchpadMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)
Backlit KeyboardBacklit
WebcamIR FHD w/shutter
Card ReaderSD7.0
StyleThin and Light
TypeGaming / Home / Personal / Mainstream
UsageConsumer / Gaming / Home / Personal / Mainstream
AC Adapter/Charger280-watt AC Adapter
Battery4 cell (99.9Whr) Li-Ion
Shipping weight3.83 kg
Package size457 × 356 × 103 mm

Questions about this item

What display cable do I need to use the HDMI 2.1 port on the RTX 5080 laptop GPU?

Use an Ultra High Speed HDMI cable certified for HDMI 2.1 to support 2560 x 1600 at high refresh rates and HDR from the RTX 5080 laptop GPU.

Will my USB 3.2 Gen 2 Type-A peripherals work with the two USB 3.2 Gen 2 Type-A ports on this laptop?

Yes, the two USB 3.2 Gen 2 Type-A ports are backward compatible with older USB Type-A devices, so existing mice, keyboards and drives will function normally.

How can I verify the RTX 5080 laptop GPU is running at full performance after setup?

Open the NVIDIA control panel, confirm the RTX 5080 laptop GPU is selected as the preferred processor, and check that DLSS 4 options appear in supported titles.

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