ROG Strix SCAR 18 (2026) RTX 5090 Gaming Laptop – Core Ultra 9, 64GB, 2TB RAID 0, 4K 240Hz – TQ564W
MPN : G835LXG-TQ564W
SKU : XG-ROG-SCAR18-G835-LXG-TQ564W
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Key Features
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ROG STRIX SCAR 18 · 2026 · G835LXG-TQ564W
RTX 5090 Flagship Gaming at 175W
The ROG Strix SCAR 18 G835LXG-TQ564W combines Intel® Core™ Ultra 9 290HX Plus processing, NVIDIA® GeForce RTX™ 5090 Laptop graphics, 64GB DDR5-6400 memory and 2TB of PCIe® 4.0 NVMe™ Performance SSD storage in RAID 0. Its 18-inch 4K 240Hz Mini LED ROG Nebula HDR display and 175W GPU profile put it at the top of the ROG gaming range.
Flagship Performance
Core Ultra 9 290HX Plus
24 cores / 24 threads, up to 5.5GHz, with Intel AI Boost NPU acceleration and sustained high-power performance.
RTX 5090 24GB
24GB GDDR7 NVIDIA Blackwell graphics with ROG Boost up to 175W including Dynamic Boost.
4K 240Hz Mini LED
18-inch 3840×2400 ROG Nebula HDR panel with 100% DCI-P3, G-SYNC, Pantone validation and Advanced Optimus.
Advanced HDR & Motion
More than 2,000 local dimming zones, up to 1600 nits peak brightness and ROG Nebula ELMB motion clarity technology.
Extreme Cooling
End-to-end vapor chamber, sandwiched full-width heatsink, Tri-Fan Technology and Conductonaut Extreme liquid metal on CPU and GPU.
Tool-Less Upgrades
Easy access to DDR5 SO-DIMM, SSD and fan areas, Q-Latch M.2 retention, support for up to 128GB memory and PCIe Gen 5-ready M.2 slots.
Full Official Specifications
| Model | ROG Strix SCAR 18 (2026) G835 — G835LXG-TQ564W |
|---|---|
| Operating System | Windows 11 Home |
| Processor | Intel® Core™ Ultra 9 290HX Plus, 2.7GHz, 36MB cache, up to 5.5GHz, 24 cores / 24 threads |
| Neural Processor | Intel® AI Boost NPU up to 13 TOPS |
| Graphics | NVIDIA® GeForce RTX™ 5090 Laptop GPU, 24GB GDDR7 |
| GPU Power | ROG Boost 1647MHz at 175W (150W + 25W Dynamic Boost) |
| Display | 18-inch ROG Nebula HDR Display, 4K 3840×2400, 16:10, Mini LED, 240Hz, 100% DCI-P3, G-SYNC, Pantone Validated, MUX Switch + NVIDIA® Advanced Optimus. Default refresh rate is 120Hz outside Ultimate GPU mode. |
| Memory | 64GB DDR5-6400 SO-DIMM, dual-channel; two SO-DIMM slots; platform supports up to 128GB |
| Storage | 1TB + 1TB PCIe® 4.0 NVMe™ M.2 Performance SSD (RAID 0), 2TB total |
| Expansion | 2× DDR5 SO-DIMM slots; 2× M.2 PCIe slots; both M.2 slots are PCIe Gen 5 ready |
| I/O | 3.5mm combo audio; HDMI 2.1 FRL; 3× USB 3.2 Gen 2 Type-A; 2× Thunderbolt™ 5 with DisplayPort™, power delivery and G-SYNC up to 120Gbps; 2.5G LAN |
| Keyboard | Backlit Chiclet Keyboard, Per-Key RGB with Num-key, touchpad, Copilot key |
| Camera | 1080p FHD IR camera for Windows Hello |
| Audio | Smart Amp Technology, Hi-Res headphone certification, Dolby Atmos, AI noise cancelling, array microphone, 4-speaker system with Smart Amplifier Technology |
| Wireless | Wi-Fi 7 triple-band 2×2; Bluetooth® 5.4 |
| Battery | 90Wh, 4-cell Li-ion |
| Power Supply | 450W AC adapter, 21V DC / 21.45A |
| Lighting | Aura Sync logo, full-surround Aura light bar, AniMe Vision and per-key RGB keyboard |
| Weight | 3.73kg |
| Dimensions | 39.9 × 29.8 × 2.35–3.50cm |
| Security | Firmware TPM; BIOS Administrator/User Password Protection; McAfee® 30-day trial |
Compatibility & Important Notes
This listing is specifically for UK SKU G835LXG-TQ564W. The factory 2TB RAID 0 configuration occupies both M.2 slots. RAM and storage remain serviceable and upgradeable, but changing either RAID SSD requires reconfiguring storage. ASUS notes charger inclusion and promotional subscriptions can vary by region.
FAQ
Can the RAM be upgraded?
Yes. Two SO-DIMM slots are provided and the platform supports up to 128GB DDR5 memory.
Can storage be upgraded?
Yes. Two M.2 slots are provided and both are PCIe Gen 5 ready, but this SKU ships with both occupied in RAID 0.
Does it support Thunderbolt 5?
Yes. Two Thunderbolt 5 ports provide up to 120Gbps connectivity.
What GPU does it use?
NVIDIA GeForce RTX 5090 Laptop GPU with 24GB GDDR7 and up to 175W ROG Boost.
What is the exact SKU?
G835LXG-TQ564W.