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Midnight Black 18 inch gaming laptop with thin profile

MSI

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

SKU CH-85SC-8VHGP

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

  • Screen size18.0 in (45.7 cm)
  • ProcessorAMD Ryzen AI 300 Series
  • Graphics processorNVIDIA GeForce RTX 5080 Laptop GPU
  • Memory size96 GB
  • Storage drive8 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 Pro

GPU NVIDIA GeForce RTX 5080 Laptop GPU

Memory 96GB

SSD 8 TB

  • 18-inch UHD+ 120 Hz Mini LED display for vivid detail
  • Ryzen AI 9 HX 370 12-core processor up to 5.1 GHz for heavy workloads
  • RTX 5080 with 16 GB GDDR7 for high-end graphics performance
  • 96 GB DDR5 5600 MHz memory for smooth multitasking
  • 8 TB PCIe 4.0 NVMe SSD for massive fast storage

18-inch UHD+ Mini LED laptop

The MSI Stealth A18 AI+ A3XWIG is an 18-inch gaming laptop with a 3840 x 2400 Mini LED panel running at 120 Hz. It ships with Windows 11 Pro and a Midnight Black chassis. The system is built for users who need a large, high-resolution display in a portable workstation form factor.

Creators and engineers needing local GPU compute

The 12-core Ryzen AI 9 HX 370 and RTX 5080 with 16 GB GDDR7 suit 3D rendering, video editing and AI workloads that benefit from 96 GB of DDR5 memory. Buyers who primarily browse the web or edit documents will find the specification excessive and should consider lighter configurations.

8 TB PCIe 4.0 x4 NVMe storage

A single 8 TB M.2 drive provides the capacity for massive project libraries, game installs and datasets without external enclosures. The drive connects over four lanes of PCIe 4.0 for sequential throughput that keeps large assets feeding the CPU and GPU without bottleneck.

How it compares

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

Price $6,318.99
Pricier than about 92% 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-HID6P
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 size96 GB
RAM type and speed5600 MHz (Speeds subject to system capability)
Memory configuration2 × 48 GB
Maximum supported memory128 GB
Storage
Storage drive8 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage8 TB
Hard driveNo
Storage configuration8 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 Pro
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

Which memory and storage configuration does the Stealth A18 AI+ A3XWIG-009US ship with?

It ships with 96 GB of DDR5 5600 MHz memory in a 2 x 48 GB dual-channel layout and an 8 TB M.2 PCIe 4.0 x4 NVMe SSD.

What does the Ryzen AI 9 HX 370 12-core processor and RTX 5080 GPU combination deliver in this chassis?

The 12-core 24-thread CPU boosts to 5.1 GHz with 36 MB cache while the RTX 5080 provides 16 GB GDDR7; Gelid GC Extreme thermal compound on both chips lowers temperatures and reduces throttling during heavy workloads.

What display interface and refresh rate does the 18-inch UHD+ Mini LED panel use?

The 3840 x 2400 Mini LED panel runs at 120 Hz, driven directly by the RTX 5080 laptop GPU over the internal display connection.

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