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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

  • Screen size18.0 in (45.7 cm)
  • ProcessorAMD Ryzen AI 300 Series
  • Graphics processorGeForce RTX 5080 Laptop GPU
  • Memory size32 GB DDR5
  • Storage drive1 TB NVMe SSD Gen4 × 4
  • Display resolution2560 × 1600
  • 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.

How it compares

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

Price $2,566.99
Pricier than about 72% 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 240 Hz
Higher than about 70% of the 2,443 comparable items (median 165 Hz).

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Specifications

Product
Brand nameMSI
Model nameStealth A18 AI+ A3HWIG-019US
Part numberStealth A18 AI+ A3HWIG-019US
Product colorMidnight Black
Design styleThin and Light
Product typeGaming / Home / Personal / Mainstream
Recommended useConsumer / Gaming / Home / Personal / Mainstream
Processor
ProcessorAMD Ryzen AI 9 365
Processor modelAMD Ryzen AI 9 365
CPU cores10-core Processor
Processor L2 cache10 MB
L3 cache size24 MB
Memory
Memory size32 GB DDR5
RAM type and speedDDR5 5600
Memory configuration16 GB x 2
Total memory slots2
Free memory slots0
Maximum supported memory96 GB
Storage
Storage drive1 TB NVMe SSD Gen4 × 4
SSD storage1 TB NVMe
Optical driveNo
Display
Screen size18.0 in (45.7 cm)
Display resolution2560 × 1600
Refresh frequency240 Hz
Touch inputNon-Touch Screen
Display18 in (45.7 cm)
Widescreen compatibleYes
Display formatQHD+
Color gamut coverage100% DCI-P3
Graphics
Graphics processorGeForce RTX 5080 Laptop GPU
Video RAM16 GB
GPU modelNVIDIA GeForce RTX 5080 Laptop GPU
Graphics typeDedicated Card
VR readyYes
Audio & video
SoundSound by Dynaudio
Speakers2 × 2 W Speaker, 4 × 2 W Woofer
Web cameraIR FHD w/shutter
Connectivity
Wi-Fi standardWi-Fi 7
NetworkingGB LAN (Up to 2.5G)
LAN connectionGB LAN (Up to 2.5G)
Wi-FiMTK Wi-Fi 7
Bluetooth support5.4
Wired network1 x RJ-45 (2.5 Gbit/s)
Ports & slots
USB ports2 x USB 3.2 Gen 2 Type-A
Thunderbolt ports2 x Thunderbolt 4
HDMI ports1 x HDMI 2.1
Audio jacks1 x Headphone/Microphone Combo Jack
Memory card readerSD7.0
Power
Power adapter280-watt AC Adapter
Battery pack4 cell (99.9Whr) Li-Ion
Size & build
Overall dimensions15.74 in × 11.41 in × 0.94 in
Product weight6.39 lb (2.9 kg)
Shipping weight3.83 kg
Package size457 × 356 × 103 mm
Software
Operating systemWindows 11 Home
More details
AI capabilityAI Ready
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)
Keyboard backlightBacklit

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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