Best Canon PowerShot A540 SD Memory Card

By Nathaniel Stephan
Last Updated: February 1, 2020
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Best Canon PowerShot Digital Camera Memory Card

The Canon PowerShot A540 can use SD memory cards. The maximum capacity SD card that can be used in the PowerShot A540 is 2GB. MultiMediaCards (MMC) can also be used.

SD memory cards that satisfy the SDUC, SDXC, or SDHC requirements are not going to work correctly in the PowerShot A540. These cards will be At least 4GB or bigger, so they can easily be avoided.

Want to skip the technical details? This is my recommendation on the SD memory card for use in your Canon PowerShot A540:

Transcend 2gb SD memory card

Transcend 2GB SD Memory Card

  • Best value for the money.
  • Available new.
  • You don't really have a choice.
  • Built-in error-correcting code to detect and correct transfer errors.
  • Meets the Secure Digital Card interface standard.
Transcend 2gb SD memory card

Transcend 2GB SD Memory Card

  • Best value for the money.
  • Available new.
  • You don't really have a choice.
  • Built-in error-correcting code to detect and correct transfer errors.
  • Meets the Secure Digital Card interface standard.
SanDisk 2gb SD memory card

SanDisk 2GB Class 2 SD Memory Card

  • High-quality memory card.
  • Class 2 speed rating.
  • Write protection lock.
  • Shock rating of 2,000 G's, equivalent to a 10-foot drop.

Best SD Cards

First-class memory cards are produced by both Transcend and SanDisk. Cut-rate no-name brands should be avoided.

Memory card troubles, for instance, a complete loss of all of your images as a consequence of file corruption, are more likely to occur with inexpensive cards. A tiny amount of reduction in cost is not worth the decline in build quality.

Buying a smaller sized capacity memory card is a shrewd way to reduce expenses. They should be a tad less expensive and you won't have to be worried about the SD card becoming corrupted.

Even then, SD card issues are very infrequent. Through the years, I have only suffered from a couple of cards fail. The two memory cards were pre-owned third party cards that were bundled along with the purchase of previously owned digital point & shoots.

Canon PowerShot A540 SD Card Compatibility

The Canon PowerShot A540 can only use SD memory cards. There are 4 different specs of Secure Digital (SD) memory cards. Each updated memory card spec advances the max capacity and transfer speeds when compared with the previous spec.

Secure Digital memory card readers are backward compatible. A card reader built into a digital camera that can use SDXC cards will also be able to use SDHC and SD memory cards.

The Canon PowerShot A540's card reader is only compatible with the original SD card specification. SDUC, SDXC, or SDHC memory card cards won't be compatible.

  • Secure Digital (SD) - These memory cards have a maximum capacity of 2GB and are compatible with the PowerShot A540.
  • Secure Digital High Capacity (SDHC) - The capacity of these memory cards range from 4GB to 32GB.
  • Secure Digital eXtended Capacity (SDXC) - The capacity of these memory cards range from 64GB to 2TiB.
  • Secure Digital Ultra Capacity (SDUC) - The capacity of these memory cards range from 4TiB to 128TiB.

Canon PowerShot A540 Memory Card Full Error

SD card contacts for Canon digital point and shoot camera

Trying to use a card that has a storage capacity of 4GB or larger in the PowerShot A540 results in the digital camera to show an error.

Use a memory card that has a capacity of 2GB or less to rectify the problem.

If you attempting to use a memory card that is 2GB or smaller capacity, and it is not functioning correctly, format the SD memory card in the camera.

Speed, Class, & Capacity

SD Card Image Capacity

The following is an estimate of the total number of large JPEGs you could expect to save on an SD memory card.

  • 512MB - 240 images
  • 1GB - 480 images
  • 2GB - 960 images

Memory Card Speed

Speed ratings for SD cards are determined by the sequential read and write speeds. The speed of the SD memory card is important for when many shots need to be written to the SD card.

SD Card Speed Class Rating

Example of where to find SD Card Speed Class
This is a Class 10 SD memory card as shown by the '10' inside of the 'C'

The Class speed rating of an SD card is based on the sustained write speed of the SD card. A Class speed rating of 2 means that the card can sustain a write speed of at least 2MB per second.

  • Class 2 - 2MB/s
  • Class 4 - 4MB/s
  • Class 6 - 6MB/s
  • Class 8 - 8MB/s
  • Class 10 - 10MB/s

The maximum rating a memory card can get is Class 10. There are SD cards that are considerably faster than 10MB/s. Those SD cards use other technologies, such as UHS (Ultra Highspeed Bus), which use different rating standards.

Sustained write speeds of 2MB, 4MB, 6MB, or 8MB per second means the card has a speed class of 2, 4, 6, or 8. Cards that have write speeds of 10MB/s or faster are rated as Class 10.

MultiMediaCard Compatibility

The MultiMediaCard standard was introduced to the market by Siemens AG and SanDisk in 1997. MMC cards resemble a thinner SD memory card.

Only the original MMC cards will work in the Canon PowerShot A540. The later generation MMCplus cards will not work.

Steer clear of looking for an MMC memory card. Compatible MMC cards for the PowerShot A540 are not currently being built. Due to this fact, they are very expensive and troublesome to buy used.

Conclusion

The best SD memory card for the Canon PowerShot A540 is the SanDisk 2GB Class 2 SD Memory Card. However, the Transcend 2GB SD Memory Card offers the best value.

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