ASUS ROG XG Mobile RTX 4090 16GB — External GPU | Lightly Used
ASUS ROG XG Mobile RTX 4090 16GB — External GPU | Lightly Used
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📦 What's Included
- ✅ ASUS ROG XG Mobile External GPU (GC33Y-021)
- ✅ RTX 4090 16GB GDDR6 Graphics Card
- ✅ ROG XG Mobile Interface Cable
- ✅ Original Power Adapter
🔥 Product Description
Unleash desktop-level GPU power — wherever you are.
Up for sale is a lightly used ASUS ROG XG Mobile featuring the NVIDIA GeForce RTX 4090 16GB GDDR6, the most powerful external GPU solution available for the ASUS ROG Ally and select ROG laptops. This unit has been carefully maintained and shows only minimal signs of use — fully functional, clean, and ready to elevate your gaming or creative workload to an entirely new level.
Stop letting your hardware hold back your ambitions. With the ROG XG Mobile, you get full RTX 4090 performance in a compact, portable enclosure that connects in seconds.
⚡ Key Specifications
| Feature | Details |
|---|---|
| GPU | NVIDIA GeForce RTX 4090 |
| VRAM | 16GB GDDR6 |
| CUDA Cores | 9,728 |
| Boost Clock | Up to 2,040 MHz |
| TDP | 150W (MXM optimized) |
| Interface | Proprietary ROG XG Mobile PCIe Interface |
| Display Outputs | HDMI 2.1, USB-C, SD Card Reader |
| Compatibility | ROG Ally, ROG Flow X13, ROG Flow Z13, ROG Flow X16 |
| Model Number | GC33Y-021 |
| Built-in PSU | Yes — 330W integrated power supply |
🎮 Performance Highlights
- 🚀 Ray Tracing & DLSS 3 — Experience lifelike visuals and AI-powered frame generation
- 🎨 Creative Powerhouse — Handle 3D rendering, video editing, and AI workloads with ease
- 🖥️ Multi-Monitor Ready — Drive multiple high-resolution displays simultaneously
- ⚡ One-Cable Connection — Plug in and play in seconds with the proprietary XG Mobile connector
- 🔋 Charges Your Device — Simultaneously powers and charges your connected ROG device
🎒 Bundle Value
This listing includes everything you need to get up and running immediately:
🔌 The XG Mobile interface cable ensures a seamless, low-latency PCIe connection to your ROG device, while the integrated 330W power supply means no extra power bricks — just clean, powerful performance right out of the box.
💡 Condition Notes
This unit is in excellent used condition. It has been lightly used for gaming and content creation, kept in a clean, smoke-free environment, and stored safely when not in use. All ports, outputs, fans, and GPU functions are 100% operational.
🏆 Why the ROG XG Mobile RTX 4090?
| Benefit | Description |
|---|---|
| 💪 Raw Power | Full RTX 4090 performance — no compromises |
| 🎒 Portable | Compact form factor for an external GPU |
| 🔗 Seamless Integration | Proprietary connector = near-zero latency |
| 🖥️ Versatile Outputs | HDMI 2.1 + USB-C for flexible display options |
| 🌱 Sustainable Choice | Buying used reduces e-waste |
💰 Why Buy Used?
- 💸 Significant savings compared to retail pricing
- 🌍 Environmentally responsible purchase
- ✅ Fully tested and verified — ready to perform on day one
Transform your ROG Ally or ROG Flow laptop into an absolute monster rig. This is the GPU upgrade you've been waiting for — don't let it slip away!
