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Midnight Black 18 inch gaming laptop thin profile matte finish

MSI

MSI Stealth A18 AI+ A3XWIG 18" UHD+ 120Hz Mini LED Ryzen AI 9 HX 370 RTX 5080 64GB 2TB gaming

SKU CH-G8XM-T65VX

18-inch UHD+ 120Hz Mini LED gaming laptop with Ryzen AI 9 HX 370, RTX 5080 16GB GDDR7, 64GB DDR5 and 2TB NVMe SSD

  • Screen size18.0 in (45.7 cm)
  • ProcessorAMD Ryzen AI 300 Series
  • Graphics processorNVIDIA GeForce RTX 5080 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 Home

GPU NVIDIA GeForce RTX 5080 Laptop GPU

Memory 64GB

SSD 2 TB

  • 18-inch UHD+ Mini LED display at 120 Hz for sharp, fluid visuals
  • Ryzen AI 9 HX 370 12-core CPU up to 5.1 GHz turbo for heavy workloads
  • RTX 5080 with 16 GB GDDR7 for high-frame-rate gaming
  • 64 GB DDR5 5600 MHz memory for smooth multitasking
  • 2 TB PCIe 4.0 NVMe SSD for fast boot and load times

18-inch UHD+ Mini LED Display

The 18-inch UHD+ panel runs at 3840 by 2400 resolution with a 120 Hz refresh rate. Mini LED backlighting provides high contrast and accurate colour for creative work and gaming. The large canvas suits multitasking and immersive play alike.

Ryzen AI 9 HX 370 with RTX 5080

The 12-core Ryzen AI 9 HX 370 processor reaches 5.1 GHz max turbo frequency across 24 threads. Paired with the RTX 5080 laptop GPU and 16 GB GDDR7 video memory, the system sustains high frame rates during extended sessions. 64 GB DDR5 5600 MHz dual-channel memory and a 2 TB PCIe 4.0 x4 NVMe SSD keep data flowing without bottlenecks.

Gelid GC Extreme Thermal Upgrade

HIDevolution applies Gelid GC Extreme thermal interface material on both CPU and GPU to lower peak temperatures. The upgrade reduces throttling risk during sustained loads while keeping fan noise controlled. The chassis measures 15.74 by 11.41 by 0.94 inches and weighs 6.39 lbs for a portable footprint.

How it compares

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

Price $2,834.99
Pricier than about 77% 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+ A3XWIG-009US
Part numberMS-STEALTHA18AI3009-HID1
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 5080 Laptop GPU
Video RAM16 GB
GPU modelNVIDIA® GeForce RTX™ 5080 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 Home
More details
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)

Other versions of this model

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Questions about this item

Will the 18-inch chassis fit in a standard 15.74-inch wide laptop bag?

The chassis measures 15.74 inches wide and 11.41 inches deep; verify your bag's internal dimensions against these figures to confirm fit.

Does the 120Hz Mini LED panel support a 3840 x 2400 resolution for creative work?

Yes, the 18-inch display runs at 3840 x 2400 UHD+ resolution with a 120Hz refresh rate and Mini LED backlighting.

Can the 64GB DDR5 memory be expanded later if workloads grow?

The system ships with 64GB configured as 2 x 32GB modules filling both slots; expansion would require replacing the existing modules.

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