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Midnight Black 18 inch gaming laptop with thin profile

MSI

MSI Stealth A18 AI+ A3XWIG-009US 18" UHD+ 120Hz Mini LED Ryzen AI 9 HX 370 RTX 5080 96 GB

SKU CH-Z5FD-AYS98

An 18-inch UHD+ 120 Hz Mini LED gaming laptop with a 12-core Ryzen AI 9 HX 370, RTX 5080 16 GB GDDR7, 96 GB DDR5 and a 4 TB PCIe 4.0 NVMe SSD

  • Screen size18.0 in (45.7 cm)
  • ProcessorAMD Ryzen AI 300 Series
  • Graphics processorNVIDIA GeForce RTX 5080 Laptop GPU
  • Memory size96 GB
  • Storage drive4 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 4 TB

  • 18" UHD+ Mini LED display at 120 Hz for sharp motion clarity
  • AMD Ryzen AI 9 HX 370 12-core CPU up to 5.1 GHz for heavy workloads
  • NVIDIA RTX 5080 laptop GPU with 16 GB GDDR7 for high-frame-rate gaming
  • 96 GB DDR5 5600 MHz dual-channel memory for smooth multitasking
  • 4 TB PCIe 4.0 NVMe SSD for fast boot and load times

18-inch UHD+ 120Hz Mini LED

The MSI Stealth A18 AI+ A3XWIG-009US is an 18-inch gaming laptop built around a 12-core AMD Ryzen AI 9 HX 370 processor and an NVIDIA RTX 5080 GPU with 16 GB GDDR7 video memory. It ships with Windows 11 Pro and includes Gelid GC Extreme thermal compound applied to the CPU and GPU for lower operating temperatures during heavy workloads.

Suited for high-memory workloads.

This configuration targets users who need 96 GB of DDR5 5600 MHz memory and a 4 TB PCIe 4.0 x4 NVMe SSD for large datasets, virtual machines or content creation. The 6.39 lb chassis and 0.94 inch profile make it less practical for daily commuting or cramped workspaces where a thinner ultraportable would fit better.

96 GB DDR5 5600 MHz soldered capacity

The system provides 96 GB of DDR5 memory in a dual-channel 2 x 48 GB layout that cannot be upgraded after purchase. Buyers whose workflows will exceed this limit must select a different platform, while those who need less capacity can choose a lower-spec model to reduce cost.

How it compares

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

Price $5,226.99
Pricier than about 91% 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 lineMSI Stealth A18 AI+
Model nameStealth A18 AI+ A3XWIG-009US
Part numberMS-STEALTHA18AI3009-HID5P
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 drive4 TB M.2 PCIe 4.0 x4 NVMe SSD
SSD storage4 TB
Hard driveNo
Storage configuration4 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

5 more in the same range

Questions about this item

How do I verify the 12-core Ryzen AI 9 HX 370 hits its 5.1 GHz max turbo under load?

Open Task Manager’s Performance tab or a tool like HWMonitor while running a heavy workload; the CPU clock should show 5.1 GHz on active cores and temperatures should stay below thermal limits thanks to the Gelid GC Extreme paste upgrade.

What ships in the box and what must I source myself?

The laptop, a power adapter, and Windows 11 Pro are included; the 96 GB DDR5 5600 MHz memory (2 × 48 GB) and 4 TB PCIe 4.0 NVMe SSD are already installed, so no extra parts are required.

Which configuration should I pick if I want the highest factory-installed memory and storage?

This SKU comes with 96 GB DDR5 5600 MHz dual-channel RAM and a 4 TB M.2 PCIe 4.0 NVMe SSD pre-installed, the maximum capacities offered for this model.

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