The adapter for 3pin 5V to 4pin 12V is a cable that allows you to connect a 3-pin 5V fan to a 4-pin 12V motherboard header. This adapter typically has a 3-pin female connector on one end and a 4-pin male connector on the other end, allowing you to convert the voltage and still use the fan with the motherboard. It is important to note that using this adapter may result in the fan running at a lower speed due to the lower voltage, so it's important to check the fan's compatibility with the lower voltage. **

One option for a good motherboard that meets your criteria is the ASRock B450M-HDV. This motherboard is compatible with AMD Ryzen processors and has a 5V 4Pin header for RGB lighting. It is also available for under 50 euros when purchased used. However, it's important to note that availability and pricing may vary depending on the seller and location. **

One option that fits your criteria is the Gigabyte GA-A320M-S2H motherboard. It is a budget-friendly option that supports AMD Ryzen processors and has a 5V 4Pin header for RGB lighting. It can often be found for less than 50 euros when purchased used. However, please note that availability and pricing may vary depending on your location and the current market conditions. **

To save an NFC tag on an iPhone, you can use the Shortcuts app. First, create a new shortcut and add the "Scan NFC" action. Scan the NFC tag you want to save, then add actions to the shortcut that you want to perform when the tag is scanned. Finally, save the shortcut and give it a name for easy access. Now, whenever you scan that NFC tag with your iPhone, the shortcut will automatically run. **

No, Fortnite Save the World is not available on Xbox. Save the World mode is only available on PC, PlayStation, and Mac platforms. However, Fortnite Battle Royale mode is available on Xbox, which is a separate game mode from Save the World. **

To save a PDF file on an NFC tag, you can use an NFC-enabled smartphone with a compatible app. First, you'll need to write the PDF file onto the NFC tag using an app that allows you to store data on the tag. Once the file is written onto the tag, you can simply tap your smartphone on the tag to access and save the PDF file. This allows you to easily transfer and access the PDF file by tapping your phone on the NFC tag. **

To save a TikTok video to share it with others, you can tap on the "Share" button on the video and then select "Save video" to save it to your device's camera roll. Once the video is saved, you can easily share it with others through messaging apps, social media, or email. Additionally, you can also use the "Copy link" option to share the video's link with others, allowing them to view it directly on the TikTok app or website. **

Archimedes is known for discovering the principles of buoyancy and the concept of the lever. He also developed the Archimedes screw, a device used to raise water from a lower to a higher level. Additionally, he made significant contributions to the field of mathematics, including calculating an accurate approximation of the value of pi. **