ASUS ROG STRIX SCAR 18 ULTRA 9 290HX PLUS G835LXG-TQ557W

32GB RAM 2TB SSD RTX5090 24GB

Product Description

The ASUS ROG STRIX SCAR 18 ULTRA 9 290HX PLUS G835LXG-TQ557W is an ultra-premium flagship gaming laptop engineered for elite gaming, creator workloads, and extreme multitasking performance. Powered by the latest Intel® Core™ Ultra 9 290HX Plus processor and NVIDIA® GeForce RTX™ 5090 Laptop GPU, it delivers desktop-class performance in a portable form factor.

Built with ASUS’ advanced ROG cooling architecture, high refresh-rate Mini-LED display, and next-generation connectivity, the SCAR 18 is designed for gamers, streamers, developers, and professionals who demand uncompromising power.

Gaming and Performance Features

ROG Intelligent Cooling

Advanced vapor chamber and triple-fan thermal system engineered to sustain high GPU and CPU wattages during intense gaming and rendering sessions.

MUX Switch with NVIDIA Advanced Optimus

Automatically switches between integrated and dedicated graphics to maximise gaming performance while improving battery efficiency during lighter workloads.

Tool-Less Upgrade Design

Easy-access bottom panel allows convenient RAM and SSD upgrades without complicated disassembly procedures.

Aura Sync RGB Lighting

Customisable per-key RGB keyboard and chassis lighting effects synchronise across compatible ASUS Aura devices.

Display and Chassis

ROG Nebula HDR Mini-LED Display

18-inch high-resolution Mini-LED display featuring ultra-fast refresh rates, exceptional HDR brightness, and immersive colour accuracy.

Anti-Glare Panel

Premium matte coating reduces reflections and enhances viewing comfort during long gaming or work sessions.

Premium Desktop-Replacement Build

Large 18-inch chassis provides improved airflow, better cooling performance, and a more immersive gaming experience.

Audio and Visuals

Dolby Vision and HDR Support

Enhanced contrast, brightness, and colour depth deliver cinematic visuals for gaming and media consumption.

Smart Amplifier Audio System

Powerful speaker tuning produces richer bass, clearer vocals, and more immersive surround effects.

AI Noise-Cancelling Technology

Two-way AI noise cancellation improves microphone clarity during streaming, gaming communication, and video conferencing.

Technical Performance Attributes

Desktop-Class Gaming Performance

Powered by Intel® Core™ Ultra 9 290HX Plus and RTX™ 5090 graphics capable of handling AAA gaming, ray tracing, AI workloads, and professional content creation.

DDR5 High-Speed Memory

High-bandwidth DDR5 RAM enables smoother multitasking, faster rendering times, and improved gaming responsiveness.

PCIe Gen4 / Gen5 SSD Storage

Ultra-fast NVMe SSD storage significantly reduces game loading times and improves file transfer performance.

Specifications

Processor and Graphics

• CPU: Intel® Core™ Ultra 9 290HX Plus
• Cores: High-performance Hybrid Core Architecture
• Threads: Multi-threaded Processing Support
• Max Turbo Frequency: Up to 5.4GHz
• Graphics: NVIDIA® GeForce RTX™ 5090 Laptop GPU
• AI Features: DLSS 4 and Advanced Ray Tracing

Memory and Storage

• RAM Capacity: 32GB DDR5 RAM
• RAM Type: High-Speed DDR5 SO-DIMM
• Storage Capacity: 1TB SSD
• Storage Type: M.2 NVMe™ PCIe® Gen4 / Gen5 SSD

Display and Camera

• Screen Size: 18-inch Display
• Resolution: 2560 × 1600 WQXGA
• Refresh Rate: Up to 240Hz
• Display Type: ROG Nebula HDR Mini-LED
• Aspect Ratio: 16:10
• Panel Features: HDR Support, Wide Colour Gamut, Anti-Glare
• Webcam: Full HD Camera with AI Enhancements

Connectivity and Audio

• Wireless: Wi-Fi 7 + Bluetooth 5.4
• USB Ports: 2× Thunderbolt™ 5, USB-A Gen2 Ports
• Video Ports: HDMI 2.1
• LAN: 2.5G Ethernet
• Audio: Smart Amplifier Speakers with AI Noise Cancellation

Power and Dimensions

• Battery: 90Wh Lithium-Ion Battery
• Power Supply: High-Wattage ROG Power Adapter
• Weight: Approx. 3.5kg – 3.7kg
• Operating System: Windows 11 Home / Pro

Best For

Hardcore AAA Gaming

Ultra settings gameplay with ray tracing, DLSS 4, and high FPS performance across demanding modern titles.

Professional Content Creation

Excellent for:

• 4K and 8K video editing
• 3D rendering and animation
• Unreal Engine workflows
• AI model processing
• Streaming and multitasking
• Competitive Esports Gaming

The high refresh-rate Mini-LED display and ultra-low response times provide smooth and responsive gameplay for competitive titles.

Desktop Replacement Setup

Ideal for users wanting:

• Massive immersive display experience
• Maximum gaming performance
• Strong cooling efficiency
• Expandable RAM and storage
• Premium workstation-level power
• Premium Entertainment and Streaming

The HDR Mini-LED panel, immersive audio system, and large 18-inch display create a cinematic experience for movies, streaming, and media consumption.