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Black 18 inch gaming laptop with Mini LED display and RTX 5090 graphics

MSI

MSI Raider 18 HX AI A2XWJG-841US 18" UHD+ 120Hz Mini LED, Ultra 9-285HX, RTX 5090

SKU CH-S1V2-RZA13

An 18" UHD+ 120Hz Mini LED gaming laptop with an Intel Core Ultra 9 285HX 24-core processor, 128 GB DDR5 memory, 2 TB NVMe storage and an RTX 5090 GPU with 24 GB GDDR7

  • Screen size18.0 in (45.7 cm)
  • ProcessorIntel Core Ultra 9 (Series 2)
  • Graphics processorNVIDIA GeForce RTX 5090 Laptop GPU
  • Memory size128 GB
  • Storage drive2 TB M.2 PCIe NVMe Gen4 SSD
  • Display resolution3840 × 2400
  • 18 inch UHD+ Mini LED display at 120 Hz for vivid detail
  • Intel Core Ultra 9 285HX 24 core up to 5.5 GHz for heavy workloads
  • NVIDIA GeForce RTX 5090 with 24 GB GDDR7 for top graphics power
  • 128 GB DDR5 5600 dual channel memory for smooth multitasking
  • 2 TB PCIe 4.0 NVMe SSD for fast boot and load times

18" UHD+ Mini LED Display

The 18-inch UHD+ Mini LED panel runs at 120 Hz with a 3840 x 2400 resolution. It targets creators and competitive gamers who need a large, colour-accurate workspace in a single portable chassis. Windows 11 Pro comes pre-installed for immediate productivity.

Sustained Thermal Performance

Gelid GC Extreme thermal compound replaces the stock interface material on both the 24-core Ultra 9 285HX and the RTX 5090 GPU. The upgrade lowers peak temperatures during extended compute or rendering sessions, reducing the likelihood of throttling when all 24 threads hold 5.5 GHz boost clocks. A full burn-in and stress test validates stability before shipment.

Build and Connectivity

The Core Black aluminium chassis measures 15.91 x 12.09 x 1.26 inches and weighs 7.94 lbs. Memory ships as 128 GB of DDR5 5600 MHz in a dual-channel 2 x 64 GB configuration. Storage is a 2 TB PCIe 4.0 x4 NVMe SSD. The RTX 5090 provides 24 GB of GDDR7 video memory for high-resolution assets.

How it compares

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

Price $5,429.99
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).

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Specifications

Product
Brand nameMSI
Product lineRaider 18 HX AI
Model nameRaider 18 HX AI A2XWJG-841US
Part numberMS-RAIDER18HXA2841-HID17P
Product colorCore Black
Design styleStandard
Product typeGaming
Recommended useConsumer
Processor
ProcessorIntel Core Ultra 9-285HX
Processor modelIntel Core Ultra 9 285HX
CPU cores24-core (8P+16E) Processor
Turbo clock speed5.5 GHz
L3 cache size36 MB
Memory
Memory size128 GB
RAM type and speed5600 MHz (Speeds subject to system capability)
Memory configuration2 × 64 GB
Storage
Storage drive2 TB M.2 PCIe NVMe Gen4 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
Panel typeUHD+
Touch inputNo
Display18 in UHD+ 120 Hz
Display formatUHD+
Color gamut coverage100% DCI-P3
Screen featuresMini LED HDR
Graphics
Graphics processorNVIDIA GeForce RTX 5090 Laptop GPU
Video RAM24 GB
GPU modelNVIDIA® GeForce RTX™ 5090 Laptop GPU
Audio & video
Web cameraIR FHD w/shutter
Connectivity
NetworkingLAN and WLAN
LAN connectionGB LAN (Up to 2.5G)
Wi-FiKiller WiFi 7 BE1750
Bluetooth supportBT 5.4
Ports & slots
USB ports3x USB 3.2 Gen 2
Thunderbolt 3 support2x Thunderbolt™ 5 w DP/PD3.1
HDMI ports1x HDMI™ v2.1
Audio jacks1x Mic-in/Headphone-out Combo Jack
Memory card readerFull size SD UHS-III
Power
Power adapter400 W
Battery pack4 cell (99.9Whr) Li-Ion
Size & build
Overall dimensions15.91 inx 12.09 inx 1.26 in
Product weight7.94 lb (3.6 kg)
Software
Operating systemWindows 11 Pro
More details
Pointing deviceMulti Touch
KeyboardSteelSeries per-Key RGB with Anti-Ghost key (99 Key)

Questions about this item

How loud and hot does the Raider 18 HX AI get when the Ultra 9-285HX and RTX 5090 run at full load for hours?

HIDevolution applies Gelid GC Extreme thermal compound on the CPU and GPU during assembly. This lowers peak temperatures and reduces the chance of throttling during sustained workloads.

Which peripherals or docks must I already own to use the 3840 x 2400 120 Hz Mini LED panel and 24 GB GDDR7 graphics?

The laptop includes the display and GPU internally. External monitors connect through the built-in video outputs; no proprietary dock is required for the native screen or the RTX 5090.

Will my existing DDR5 5600 MHz SO-DIMM kits work alongside the factory 2 x 64 GB modules?

The system ships with 128 GB of DDR5 5600 MHz memory in two slots. Adding third-party sticks is possible if they match the same speed and form factor, but the factory configuration already fills both channels.

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