Pentax KP 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 can be put to use in the Pentax KP. Having fast write speeds is a critical factor for video and continuous shooting.

An incorrect SD card can decrease the performance of your camera.

Just want to have the best? Here's my recommendation on the card to get to use with the Pentax KP:

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

In the time since the intro of Pentax KP, the cost of cards has dropped.

Seeing as to how low the price range is, it will not make financial sense to invest in anything besides a professional-level card.

The best SD memory cards I own have been the SanDisk Extreme Pro, Lexar Professional, and PNY Elite Performance models. I have never had corrupted data or a card to become inoperable with any of those SD memory cards.

Every single hassle I have experienced has been when using generic unbranded memory cards. Trying to save a buck isn't worthwhile if your KP is likely to have complications.

If you want to spend less, pick a smaller capacity SD card from a high-quality company. That way, you'll know your photos are safe and sound on the SD memory 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 KP SD Card Compatibility

Only use SD, SDHC, and SDXC memory cards in the Pentax KP. Ensure that you have the most recent firmware installed on your camera for the best compatibility.

The newest memory cards, SDUC (Secure Digital Ultra Capacity), are not going to be usable in the KP.

There are four different versions of Secure Digital (SD) cards that you need to be aware of. You can identify them based on their storage capacity.

  • 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

The following is a quick approximation of just how many large JPEGs photos you should expect to fit on an SD 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 determined by the continuous write and read transfer speeds of the card. The speed of a memory card is essential for clearing the camera buffer for continuous shooting and recording video.

Slows SD cards can cut down the number of continuous photos the Pentax KP can take. This is because the camera's buffer is not able to write to the memory card quickly enough.

With video, a slow SD card can cause recording to stop. The video file might also be corrupted. If you are going to record video, it is critical the memory card you use meets the requirements of the KP.

Read speed is nice to have for transferring files to a computer. If you are filling up cards with images or video, a memory card with a fast transfer speed will reduce 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 sustained write speed of an SD memory card is the criteria for the Class rating. Cards that have a write speed of at least 10MB/s will be rated 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 name-brand card that you can buy will be Class 10. You can determine the class rating of a card by searching for a number inside of the C on the label.

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

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

To find out the UHS rating of a memory card, look on the label. If the SD card has UHS, a Roman numeral I, II, or III can be found on the front of the SD 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

Taking the information into consideration, the 128GB SanDisk Extreme Pro is the best memory card for the Pentax KP. Any future camera you own, you will know what SD memory card to get.

Listed here are more posts on cameras with the same requirements as the KP:

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