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Midnight Black 18 inch gaming laptop with slim magnesium aluminum chassis

MSI

MSI Stealth A18 AI+ A3HWIG-028US gaming laptop

SKU CH-R25H-T5613 MPN Stealth A18 AI+ A3HWIG-028US

An 18-inch 2560 x 1600 120 Hz laptop with AMD Ryzen AI 9 365 10-core processor, 32GB DDR5 5600 memory, 2TB NVMe SSD and NVIDIA GeForce RTX 5080 16GB graphics

  • Screen size18.0 in (45.7 cm)
  • ProcessorAMD Ryzen AI 300 Series
  • Graphics processorGeForce RTX 5080 Laptop GPU
  • Memory size32 GB DDR5
  • Storage drive2 TB NVMe SSD Gen4 × 4
  • Display resolution3840 × 2400

Model 18" RYZEN AI 9 365 RTX 5080 32G 2TB

  • 18 inch 2560 x 1600 120 Hz display gives sharp visuals for gaming and creative work
  • AMD Ryzen AI 9 365 10 core CPU delivers fast multitasking and AI acceleration
  • GeForce RTX 5080 Laptop GPU with 16 GB video memory powers high frame rates and DLSS 4
  • 32 GB DDR5 5600 memory plus 2 TB NVMe Gen4x4 SSD ensures quick load times and ample storage
  • Magnesium aluminium chassis at .94 inch thin and 6.39 lbs balances portability with durability

Stealth A18 AI+ 18.0" UHD+

The MSI Stealth A18 AI+ A3HWIG-028US is an 18.0 inch gaming laptop built for creators and gamers who need high resolution and AI compute on the move. It pairs a 10 core AMD Ryzen AI 9 365 processor with an NVIDIA GeForce RTX 5080 Laptop GPU and 16GB video memory. The 2560 x 1600 non touch screen runs at 120 Hz for smooth motion.

Sustained load on Magnesium Aluminum Alloy Chassis

The Midnight Black Magnesium Aluminum Alloy Chassis measures 15.74" x 11.41" x 0.94" and weighs 6.39 lbs, providing a thin envelope for the RTX 5080 and Ryzen AI 300 Series silicon. Max Q optimisation balances clock speeds and thermals so the system maintains performance during extended rendering or gaming sessions. Dual fans and vapour chamber cooling move heat away from the CPU and GPU without throttling early.

32GB DDR5 5600 and 2TB NVMe Gen4x4 decide fit

Memory is 32GB DDR5 5600 soldered to the board with no user accessible slots, so capacity is fixed at purchase. Storage is a single 2TB NVMe Gen4x4 drive that can be swapped for a larger module if needed. Buyers who need more than 32GB RAM must choose a different model; those who need more storage can upgrade the SSD later.

How it compares

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

Price $2,631.99
Pricier than about 73% 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).

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameMSI
Product lineStealth A18 AI+
Model nameStealth A18 AI+ A3HWIG-028US
Part numberStealth A18 AI+ A3HWIG-028US
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 drive2 TB NVMe SSD Gen4 × 4
SSD storage2 TB NVMe
Optical driveNo
Display
Screen size18.0 in (45.7 cm)
Display resolution3840 × 2400
Refresh frequency120 Hz
Panel typeMini LED
Touch inputNon-Touch Screen
Display18 in (45.7 cm)
Widescreen compatibleYes
Display formatUHD+
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 weight5.72 kg
Package size483 × 368 × 1 mm
In the box
Included itemsStealth A18 AI+ A3HWIG-028US Gaming Notebook
Lithium Ion Battery
AC Adapter
Software
Operating systemWindows 11 Pro
More details
AI capabilityAI Ready
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)
Keyboard backlightBacklit

Other versions of this model

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Questions about this item

How much heat and noise should I expect from the Ryzen AI 9 365 and RTX 5080 when the laptop runs all day?

The system pairs a 10-core Ryzen AI 9 365 with an RTX 5080 Laptop GPU in a chassis measuring .94 inches thick, so sustained workloads will produce noticeable fan noise and surface warmth.

What must I already own to use the 2.5 Gb LAN port and the HDMI 2.1 output on this Stealth A18 AI+?

You need a router or switch that supports 2.5 Gb Ethernet and a display or capture device with an HDMI 2.1 input to use those ports at full speed.

Will my existing DDR5 5600 SO-DIMMs and Gen4 NVMe SSD work alongside the factory 32 GB memory and 2 TB drive?

Yes — the laptop uses DDR5 5600 memory and a Gen4x4 NVMe slot, so compatible DDR5 5600 modules and Gen4 NVMe drives can be added or swapped without issue.

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