ASUS ROG 140W USB-C GaN Power Adapter - Black
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Product Information
Full details
This ASUS ROG 140W USB-C GaN charger is designed for gamers and tech enthusiasts who need to power multiple devices efficiently, especially on the go. Its key benefit is providing high-speed charging for up to four devices simultaneously, including laptops and handheld consoles, thanks to advanced GaN technology and a compact design. A potential caveat is the need for compatible USB-C cables to achieve maximum charging speeds.
All features
| Colour | Black |
|---|---|
| Series | ROG |
| Model Part Number | 90XB09IN-BPW020 |
| Brand | ASUS |
Extended Product Information
FAQs
What is GaN technology and why is it important?
GaN stands for Gallium Nitride. It's a semiconductor material that allows chargers to be smaller, lighter, more energy-efficient, and generate less heat compared to traditional silicon-based chargers. This means you get faster charging speeds in a more compact and portable package.
Can this charger power my laptop?
Yes, with a total output of 140W and support for USB Power Delivery (PD) 3.1, this charger is capable of powering most modern laptops that charge via USB-C, including high-performance models.
How is the power distributed when charging four devices?
The charger features Smart Port Balancing, which intelligently distributes the total 140W output among the connected devices. The exact wattage delivered to each port will vary depending on the number of devices connected and their individual power requirements.
Which charging standards does this charger support?
It supports USB Power Delivery (PD) 3.1, Quick Charge 3.0, and Programmable Power Supply (PPS), ensuring broad compatibility with a wide range of devices.
Is this charger safe for my devices?
Yes, the charger incorporates advanced safety features and supports standard charging protocols designed to protect your devices from overcharging, overheating, and short circuits.
What is the difference between the USB-C and USB-A ports?
The charger has three USB-C ports, which are generally capable of delivering higher wattages for fast charging laptops, tablets, and phones. It also has one USB-A port, typically used for older devices or accessories that do not use USB-C.
Do I need a special cable to get the fastest charging speeds?
Yes, to achieve the maximum charging speeds, especially for high-power devices like laptops, you will need a USB-C cable that is rated for the specific wattage supported by the device and the charger (e.g., a 100W or 240W rated USB-C cable).
Troubleshooting
Device not charging or charging slowly
Ensure you are using a certified USB-C or USB-A cable capable of handling the device's charging requirements. Try a different port on the charger. Verify that the device itself supports the charging protocols (e.g., PD 3.0/3.1, QC 3.0) offered by the charger. Confirm the total power draw does not exceed the charger's maximum output.
Charger feels unusually warm
Some warmth is normal during high-power charging. However, if the charger is excessively hot to the touch, unplug it immediately. Ensure it is in a well-ventilated area and not covered. Check if multiple high-power devices are connected simultaneously, which can generate more heat.
Charger does not power any devices
Check that the charger is securely plugged into a working AC power outlet. Try a different outlet. Inspect the charger's ports for any debris or damage. If the issue persists, contact ASUS support.
Port Balancing not working as expected
Smart Port Balancing is automatic. Ensure all connected devices are properly seated and drawing power. The distribution may prioritize higher-wattage devices or those connected first. Refer to the manual for specific port power allocation details when multiple devices are connected.
Pros and Cons
Pros
- Charges multiple devices simultaneously, reducing the need for separate chargers.
- High 140W output is sufficient for power-hungry devices like laptops and gaming consoles.
- GaN technology ensures efficient charging and a smaller footprint.
- Broad compatibility with various charging protocols.
- Compact size makes it highly portable for travel.
Cons
- Requires compatible USB-C cables to achieve maximum charging speeds.
- May not include all necessary cables in the package.
- The single USB-A port has a lower power output compared to the USB-C ports.
- > Info needed: Specific wattage of the USB-A port.
Setup, Compatibility & Care
Setup:
This charger requires no complex setup. Simply connect your devices to the available USB-C or USB-A ports using appropriate charging cables. Ensure the charger is plugged into a compatible AC power outlet.
Compatibility:
- Power Delivery (PD) 3.1: Compatible with devices supporting the latest PD 3.1 standard for maximum wattage.
- Quick Charge (QC) 3.0: Works with devices that utilize the Quick Charge 3.0 protocol.
- Programmable Power Supply (PPS): Offers dynamic voltage and current adjustments for optimal charging with compatible devices.
- USB Type-C Ports: Three USB-C ports are available, offering versatile charging options.
- USB Type-A Port: One USB-A port is included for legacy device charging.
- Input Voltage: Operates on universal input voltage (100-240V), making it suitable for international travel.
Care:
- Keep the charger in a dry, well-ventilated area. Avoid exposing it to extreme temperatures or moisture.
- Use only high-quality, certified USB-C and USB-A cables that can handle the required wattage for optimal performance and safety.
- Clean the exterior of the charger with a soft, dry cloth. Do not use liquids or abrasive cleaners.
- Avoid bending or kinking the power cord if one is attached.