When it comes to choosing the right SD card for your camera, drone, or other devices, understanding the speed and performance of the card is crucial. Among the various speed classes, XC is a classification that can be confusing, especially for those new to the world of SD cards. In this article, we’ll delve into the meaning of XC on SD cards, its significance, and how it compares to other speed classes.
Understanding SD Card Speed Classes
SD cards are categorized into different speed classes, which indicate their minimum write speed. The most common speed classes are:
- Class 2: 2MB/s minimum write speed
- Class 4: 4MB/s minimum write speed
- Class 6: 6MB/s minimum write speed
- Class 10: 10MB/s minimum write speed
- U1 (UHS-1): 10MB/s minimum write speed
- U3 (UHS-3): 30MB/s minimum write speed
- V30: 30MB/s minimum write speed (video recording)
- V60: 60MB/s minimum write speed (high-speed video recording)
- V90: 90MB/s minimum write speed (extreme high-speed video recording)
These speed classes are designed to ensure that your device can capture high-quality photos and videos without any lag or buffer. The higher the speed class, the faster the write speed, and the better the performance.
What Does XC Mean On SD Cards?
XC stands for eXtreme Capacity, which refers to SD cards with a storage capacity of 64GB or higher. The XC designation was introduced by the SD Association to differentiate high-capacity SD cards from lower-capacity ones.
In the early days of SD cards, the maximum storage capacity was limited to 2GB or 4GB. As technology advanced, the storage capacity of SD cards increased, and the need for a new classification arose. The XC designation was created to indicate that a particular SD card has a higher storage capacity and is designed to handle larger files, such as high-resolution photos and videos.
EXtreme Capacity Vs. EXtreme Performance
It’s essential to note that XC is not the same as eXtreme Performance (XP). While both designations start with “X,” they refer to different aspects of an SD card’s performance.
eXtreme Performance (XP) is a classification that indicates an SD card’s read and write speeds, similar to the U1, U3, V30, V60, and V90 designations. XP cards are designed for high-speed applications, such as 4K video recording, burst mode photography, and other demanding tasks.
On the other hand, eXtreme Capacity (XC) focuses solely on the storage capacity of the SD card, without necessarily implying high-speed performance.
| Classification | Description |
|---|---|
| XC (eXtreme Capacity) | Storage capacity of 64GB or higher |
| XP (eXtreme Performance) | High-speed read and write performance |
The Significance Of XC On SD Cards
The XC designation has several implications for users:
- Larger storage capacity: XC SD cards can store more files, making them ideal for users who need to capture a large number of photos and videos.
- Better file management: With more storage space, users can organize their files more efficiently, without having to constantly switch cards or delete files.
- Increase in file size: As camera resolutions increase, file sizes also grow. XC SD cards can accommodate larger file sizes, ensuring that users can capture high-quality photos and videos without running out of storage space.
XC Vs. SDHC Vs. SDXC
The XC designation is often confused with SDHC and SDXC, which are also types of SD cards. Here’s a brief overview of each:
- SDHC (Secure Digital High Capacity): SDHC cards have a storage capacity between 4GB and 32GB. They are designed for mid-range devices and applications.
- SDXC (Secure Digital eXtended Capacity): SDXC cards have a storage capacity of 64GB or higher. They are designed for high-capacity applications, such as 4K video recording and high-resolution photography.
- XC (eXtreme Capacity): XC is a subset of SDXC cards, indicating a storage capacity of 64GB or higher.
Key Differences
The main difference between SDHC and SDXC is the storage capacity. SDHC cards are limited to 32GB, while SDXC cards can have capacities of 64GB, 128GB, 256GB, or more. XC is a classification within the SDXC category, emphasizing the high storage capacity of the card.
| Type | Storage Capacity |
|---|---|
| SDHC | 4GB – 32GB |
| SDXC | 64GB or higher |
| XC | 64GB or higher (subset of SDXC) |
Conclusion
In conclusion, the XC designation on SD cards indicates a high storage capacity of 64GB or higher, making it ideal for users who need to capture a large number of files. While XC is not a direct indicator of high-speed performance, it’s essential to consider the speed class of the SD card, especially for demanding applications. By understanding the differences between XC, SDHC, and SDXC, you can choose the right SD card for your device and applications, ensuring optimal performance and storage capacity.
Remember, when selecting an SD card, consider the following factors:
- Storage capacity
- Speed class
- Device compatibility
- File type and size
- Budget
By taking these factors into account, you can find the perfect SD card for your needs, whether you’re a professional photographer, videographer, or simply a casual user.
What Is The XC Classification For SD Cards?
The XC classification is a speed class rating for SD cards that indicates their minimum write speed. XC stands for eXtreme Capacity, and it was introduced by the SD Association to provide a clearer way to identify high-capacity SD cards that can handle demanding applications such as 4K video recording. The XC classification is separate from the traditional speed class ratings such as Class 10, U1, and U3, and it focuses specifically on the card’s capacity and performance.
XC-rated SD cards are designed to provide fast write speeds and high storage capacities, making them ideal for use in devices that require high-quality video recording, burst mode photography, and other demanding applications. By choosing an XC-rated SD card, users can ensure that their devices can handle the demands of high-quality content creation.
What Are The Different Types Of XC Ratings For SD Cards?
There are two main types of XC ratings for SD cards: XC I and XC III. XC I cards have a minimum write speed of 90 MB/s, while XC III cards have a minimum write speed of 180 MB/s. This means that XC III cards are capable of handling even more demanding applications such as 4K video recording at 60fps or 3D video recording. The higher the XC rating, the faster the write speed and the more demanding applications the card can handle.
When choosing an XC-rated SD card, it’s essential to consider the specific requirements of your device and the type of content you plan to create. If you need to record high-quality video or take high-resolution photos, an XC III card may be the better option. However, if you’re just looking for a fast and reliable SD card for general use, an XC I card may be sufficient.
What Is The Difference Between XC And U3 SD Cards?
The main difference between XC and U3 SD cards is their focus and purpose. U3 SD cards are designed to provide fast write speeds, typically above 30 MB/s, and are suitable for applications such as 4K video recording, burst mode photography, and other demanding uses. XC SD cards, on the other hand, are focused on providing high storage capacities and fast write speeds, making them ideal for devices that require high-quality video recording and other demanding applications.
While both U3 and XC SD cards can provide fast write speeds, XC cards are designed to handle more demanding applications and provide higher storage capacities. U3 cards may not be able to keep up with the demands of 4K video recording at 60fps, but XC III cards are specifically designed to handle such applications. When choosing between a U3 and XC SD card, consider the specific requirements of your device and the type of content you plan to create.
Can I Use An XC SD Card In Any Device?
Not all devices are compatible with XC SD cards, and it’s essential to check your device’s specifications before purchasing an XC card. While many modern devices, such as high-end smartphones and action cameras, are compatible with XC cards, some older devices may not be able to take advantage of the card’s full capabilities. It’s also important to ensure that your device supports the capacity of the XC card you plan to use.
Before purchasing an XC SD card, check your device’s manual or manufacturer’s website to ensure compatibility. You should also consider the type of content you plan to create and choose an XC card that meets those requirements. If your device is not compatible with XC cards, you may need to consider a different type of SD card or a different device.
How Do I Know If I Need An XC SD Card?
If you need to record high-quality video, take high-resolution photos, or store large amounts of data, you may need an XC SD card. XC cards are designed to provide fast write speeds and high storage capacities, making them ideal for demanding applications. If you’re using a device that requires high-quality content creation, such as a 4K-capable action camera or a high-end smartphone, an XC card may be the better option.
You should also consider an XC SD card if you plan to use your device for demanding applications such as 3D video recording, slow-motion video recording, or burst mode photography. XC cards are designed to handle these types of applications, and they can provide the fast write speeds and high storage capacities you need.
Can I Use An XC SD Card For General Use?
While XC SD cards are designed for demanding applications, they can also be used for general use such as storing photos, videos, and other data. However, XC cards are typically more expensive than standard SD cards, so it may not be worth the extra cost if you’re only going to use the card for general storage.
If you’re looking for a fast and reliable SD card for general use, you may want to consider a U1 or U3 SD card instead. These cards are designed to provide fast write speeds and are suitable for most general use applications. However, if you want the peace of mind that comes with having a high-capacity and fast SD card, an XC card may be a good option, even for general use.
What Is The Future Of XC SD Cards?
The future of XC SD cards looks bright, with the SD Association continuing to develop new standards and technologies to meet the demands of emerging applications such as 8K video recording and artificial intelligence. As devices become more powerful and capable, the need for faster and higher-capacity SD cards will continue to grow, driving the development of new XC-rated SD cards.
In the near future, we can expect to see even faster XC-rated SD cards with higher storage capacities and faster write speeds. These cards will be designed to handle the demands of emerging applications and provide users with even more flexibility and creative freedom. As technology continues to evolve, XC SD cards will play an essential role in enabling new and innovative uses for SD cards.