ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Display Size | 18-inch |
| Processor | Intel Core Ultra 9 275HX |
| GPU | NVIDIA GeForce RTX 5090 Laptop GPU |
| RAM | 64 GB |
| Storage | 4 TB (2 × 2 TB RAID 0) |
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Full specifications
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General
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Brand | ASUS |
| Model | ROG Strix SCAR 18 (2025) G835 |
| Announced | 2025 |
| Form Factor | Gaming laptop |
| Color | Eclipse Gray |
Design
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Dimensions | 399 × 298 × 23.5–32 mm |
| Weight | Starting at 3.3 kg |
| Build Materials | Aluminium lid; reinforced polymer chassis |
Display
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Display Size | 18-inch |
| Display Type | Mini LED ROG Nebula HDR anti-glare |
| Resolution | 2560 × 1600 (2.5K) |
| Refresh Rate | 240 Hz |
| Brightness | Up to 1200 nits peak HDR |
| Touchscreen | No |
| Display Features | 16:10, 100% DCI-P3, 3 ms, 2000+ dimming zones, Pantone Validated, Dolby Vision, G-SYNC, ACR |
Performance
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Processor | Intel Core Ultra 9 275HX |
| CPU | 24 cores (8 P-cores + 16 E-cores), 24 threads; up to 5.4 GHz; 36 MB cache; Intel AI Boost NPU up to 13 TOPS |
| GPU | NVIDIA GeForce RTX 5090 Laptop GPU |
| Graphics Memory | 24 GB GDDR7 |
| RAM Type | DDR5-5600 SO-DIMM |
| Storage Type | PCIe 4.0 NVMe M.2 SSD |
Memory & Storage
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| RAM | 64 GB |
| Storage | 4 TB (2 × 2 TB RAID 0) |
Battery & Charging
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Battery | 90 Wh 4-cell Li-ion |
| Battery Life | Varies by gaming workload and configuration |
| Charging | USB-C Power Delivery and fast charging supported |
| Power Adapter | 380 W AC adapter |
Software
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Operating System | Windows 11 Home |
Connectivity
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Wi-Fi | Wi-Fi 7 (802.11be 2×2) |
| Bluetooth | Bluetooth 5.4 |
| Ethernet | 2.5G Ethernet (RJ-45) |
Camera & Audio
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Webcam | 1080p FHD IR webcam for Windows Hello |
| Speakers | 4-speaker system with Smart Amplifier |
| Microphones | Built-in 3-microphone array |
| Audio Features | Dolby Atmos; Smart Amplifier; AI noise cancellation; Hi-Res Audio |
Keyboard & Input
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Keyboard | Per-key RGB chiclet gaming keyboard |
| Keyboard Backlight | Per-key RGB with Aura Sync |
| Trackpad | Precision multi-touch touchpad |
| Fingerprint Reader | No; Windows Hello face authentication |
| Stylus Support | No |
Ports
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| USB-A | 3 × USB-A 10 Gbps |
| USB-C | 2 × Thunderbolt 5 / USB-C with DisplayPort and Power Delivery |
| Thunderbolt / USB4 | 2 × Thunderbolt 5 |
| HDMI | HDMI 2.1 FRL |
| DisplayPort | DisplayPort via USB-C / Thunderbolt |
| Memory Card Reader | No |
| 3.5mm Audio Jack | 3.5 mm combo audio jack |
| Other Ports | RJ-45 Ethernet; DC input |
Additional Features
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Security | Firmware TPM; Windows Hello IR camera |
| Cooling | End-to-end vapor chamber, sandwiched heatsink, Tri-Fan Technology, Conductonaut Extreme liquid metal |
| Special Features | Tool-less RAM/SSD access; MUX Switch; Advanced Optimus; Aura Sync |
What's in the Box
| Specification | ASUS ROG Strix SCAR 18 - Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |
|---|---|
| Laptop | ASUS ROG Strix SCAR 18 – Ultra 9-275HX, 64GB RAM, 4TB SSD, RTX 5090 24GB |