Pentax K-500 Memory Card Compatibility

By Nathaniel Stephan
Last Updated: September 30, 2019
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Pentax SD Memory Card Compatibility

SD, SDHC, and SDXC memory cards are designed to work with the Pentax K-500. For video and burst shooting, it is important the SD card you use has a fast enough write speed.

The memory card you purchase is a large effect on the functionality of your camera.

Don't care about the tech jargon? This is my suggestion on the SD card for use with your Pentax K-500:

SanDisk Extreme Pro 128GB UHS-I SD Card

SanDisk Extreme Pro 128GB SD Card

  • Best value for the money.
  • Capacities from 32 GB to 2TB.
  • Transfer speeds up to 170 MB/s.
  • Class 10 & UHS-I
  • Temperature Proof, Water Proof, Shock Proof, and X-ray Proof.

Best SD Cards

SD memory cards are now drastically more affordable than at the time the camera was first unveiled.

With the price range getting so affordable, it doesn't be advisable to purchase anything besides a pro-level SD memory card.

The best memory cards I own have been the SanDisk Extreme Pro, Lexar Professional, and PNY Elite Performance models. I have not had a card physically fail or data errors with those SD memory cards.

Every issue I have experienced has been when using cheap unbranded cards. Attempting to save around a buck isn't worthwhile if your K-500 is not going to operate correctly.

If you want to reduce your cost, buy a smaller capacity SD memory card from a quality manufacturer. Because of this, you will know your photos are safe on the card.

Recommended SD Cards

SanDisk Extreme Pro 128GB UHS-I SD Card

SanDisk Extreme Pro 128GB SD Card

  • Best value for the money.
  • Capacities from 32 GB to 2TB.
  • Transfer speeds up to 170 MB/s.
  • Class 10 & UHS-I
  • Temperature Proof, Water Proof, Shock Proof, and X-ray Proof.
PNY Elite Performance SDXC 128GB Memory Card

PNY Elite Performance 128GB SDXC Card

  • Lower priced card.
  • Transfer speeds up to 95 MB/s.
  • Class 10 & UHS-I.
  • Magnet Proof, Shock Proof, Temperature Proof, Waterproof.
Lexar Professional 1066X 128GB SD UHS-I Memory Card

Lexar Professional 1066x 128GB SDXC UHS-I Card

  • Lexar Professional Silver Card.
  • Transfer speeds up to 160 MB/s.
  • Class 10 & UHS-I.
  • Includes Lexar Recovery Tool Software.
  • Designed for durability in harsh conditions.

Pentax K-500 SD Card Compatibility

You are limited to using SD, SDHC, and SDXC cards with the Pentax K-500. Check to check that your camera has the most up to date firmware installed.

The newest SDUC (Secure Digital Ultra Capacity) memory cards aren't usable in the K-500.

There are four different types of Secure Digital (SD) cards that you need to take into consideration. They are broken up by their size.

  • SD (Secure Digital) - 128MB to 2GB.
  • SDHC (Secure Digital High Capacity) - 4GB to 32GB.
  • SDXC (Secure Digital eXtended Capacity) - 64GB to 2TB.
  • SDUC (Secure Digital Ultra Capacity) - 4TB to 128TB.

Image Capacity

Pentax SD Memory Card Contacts

Here's a quick approximation of the number of maximum-quality JPEGs pictures you should expect to be stored on a memory card:

  • 16GB - 4,640 images
  • 32GB - 9,280 images
  • 64GB - 18,560
  • 128GB - 37,120

Speed, Class, & UHS Ratings

Card Speed

The speed rating of an SD card is dependant on the continuous write and read transfer speeds of the card. Card speed is important for clearing the buffer for continuous shooting and recording video.

Slows memory cards can cause a reduction in the number of continuous frames the Pentax K-500 can capture. This is because the camera's buffer is not able to write to the card quickly enough.

When shooting video, a slow SD card can cause recording to end. The video file may also be corrupted. If you are going to record video, it is crucial the card you use meets the required minimum continuous write speed for video.

Read speed is important for file transfers to a computer or laptop. If you have cards that are full, a memory card with a fast read speed will cut down on the time it takes the transfer to complete.

Speed Class Rating

Example of where to find SD Card Speed Class
The 10 inside of the C means the card is Class 10.

The Class rating of an SD card is determined by the sustained write speed. Memory cards that have a minimum write speed of at least 10MB/s will be labeled Class 10.

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

Every brand of memory card that you can buy will be rated Class 10. To locate the class rating of a card, try to find a number inside of the C on the sticker.

Ultra High Speed (UHS)

Example of an SD memory card with a UHS-I rating.
The UHS rating of a card can be determined by a Roman numeral I, II, or III on the label of the card.

The Ultra High Speed bus (UHS) is a feature often found in SDUC, SDXC, and SDHC memory cards. The UHS bus makes it possible for increased file transfer rates.

Three different specifications have been made. The three are UHS-I, UHS-II, and UHS-III.

To find the rating of an SD memory card, look at the front of the card. A Roman numeral I, II, or III on the label, that is going to be the UHS rating of the memory card.

  • UHS-I - Maximum transfer rate of 104 MB/s
  • UHS-II - Maximum transfer rate of 312 MB/s
  • UHS-III - Maximum transfer rate of 624 MB/s

Related Cameras

If you had to choose one, the 128GB SanDisk Extreme Pro is the best memory card for the Pentax K-500. It also has excellent compatibility with other cameras.

Listed here are more posts on digital cameras similar to the K-500:

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