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Midnight Black 18 inch gaming laptop with Mini LED display

MSI

MSI Stealth A18 AI+ A3XWIG 18" UHD+ 120Hz Mini LED Ryzen AI 9 HX 370 RTX 5080 96 GB DDR5 2 TB

SKU CH-1K3A-BQRT7

An 18-inch UHD+ 120Hz Mini LED gaming laptop with a 12-core Ryzen AI 9 HX 370 processor, RTX 5080 graphics with 16 GB GDDR7, 96 GB DDR5 memory and a 2 TB 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 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 Pro

GPU NVIDIA GeForce RTX 5080 Laptop GPU

Memory 96GB

SSD 2 TB

  • 12-core Ryzen AI 9 HX 370 hits 5.1 GHz turbo for heavy workloads
  • RTX 5080 with 16 GB GDDR7 drives high-fidelity gaming and creative tasks
  • 18-inch UHD+ Mini LED at 120 Hz delivers sharp, fluid visuals
  • 96 GB DDR5 5600 MHz runs memory-hungry apps without slowdown
  • 2 TB PCIe 4.0 NVMe SSD provides fast boot and load times

18-inch UHD+ Mini LED

This MSI Stealth A18 AI+ laptop pairs an 18-inch UHD+ Mini LED panel running at 120 Hz with an AMD Ryzen AI 9 HX 370 processor and an NVIDIA RTX 5080 laptop GPU. The 12-core CPU reaches a 5.1 GHz turbo frequency and includes 36 MB of L3 cache. It ships with Windows 11 Pro installed.

96 GB DDR5 and 2 TB NVMe

The system carries 96 GB of DDR5 5600 MHz memory in a dual-channel 2 x 48 GB configuration, giving ample headroom for heavy multitasking and memory-hungry workloads. A 2 TB M.2 PCIe 4.0 x4 NVMe SSD provides fast boot and load times. The RTX 5080 contributes 16 GB of GDDR7 video memory for graphics-intensive tasks.

Gelid GC Extreme thermal compound

HIDevolution applies Gelid GC Extreme thermal interface material on the CPU and GPU to lower temperatures and reduce throttling during sustained loads. The chassis measures 15.74 by 11.41 by 0.94 inches and weighs 6.39 lbs. A full quality-control burn-in validates thermal behaviour and stability before shipment.

How it compares

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

Price $4,657.99
Pricier than about 90% 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-HID4P
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 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 Pro
More details
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)

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Questions about this item

Will the 18 inch UHD+ Mini LED display fit my content-creation workflow?

The 18 inch panel runs at 3840 by 2400 resolution and 120 Hz, giving sharp detail and smooth motion for video editing, 3D work and colour-critical tasks.

Can the 96 GB DDR5 5600 MHz memory handle large datasets and heavy multitasking?

Two 48 GB modules run in dual channel at 5600 MHz, providing high bandwidth for virtual machines, large textures and simultaneous applications.

Does the Gelid GC Extreme thermal paste upgrade help sustain boost clocks during long renders?

The upgraded thermal interface on the CPU and GPU lowers core temperatures, reducing throttling so the Ryzen AI 9 HX 370 and RTX 5080 maintain higher frequencies longer.

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