Pentax K110D Memory Card Compatibility

By Nathaniel Stephan
Last Updated: October 25, 2019
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Olympus SD Memory Card Compatibility

The Pentax K110D uses SD memory cards and has a single card slot. cards with a maximum capacity of 32GB can be used in the camera.

Using an SD card that is 64GB or larger will cause the Pentax K110D to display an error code. You will need to get multiple SD memory cards if you want additional storage space. The transfer speeds of memory cards are the key features to focus on.

If your camera is going to be getting used frequently. A feature that is ideal to have is UHS-I as it allows for faster transfer speeds with a UHS-I SD card reader.

To make sure the memory card can be used with as many other cameras in the future as possible, get a high-quality memory card. To prevent finding yourself with a camera upgrade requiring you to buy a replacement card that is fast enough for recording 4k video.

Here is my recommendation for the best SD card for the Pentax K110D:

SanDisk Extreme Pro UHS-I SDHC Memory Card

SanDisk Extreme Pro 32GB

  • Best SD card available
  • Largest compatible storage capacity.
  • Read speeds of up to 95MB/s.
  • Write speeds of up to 90MB/s.
  • Shock-proof, temperature-proof, waterproof, and x-ray proof.

Best SD Cards

Since the Pentax K110D was introduced, SD card prices have dropped and capacities have gotten larger. The difference in price between the fastest card and a average option is astonishingly small. Price is related to storage size, with the largest cards being higher priced.

Buying the highest capacity cards only makes sense if you are going to capture a large quantity of RAW files for action, events, wildlife, or sports photography. Another consideration could be if you intend to replace your camera or use the memory card in a different device.

In my opinion, the SanDisk Extreme Pro line of SD memory cards are usually the best option for most cameras. They have extremely fast transfer speeds, which gives them the best shot of working with future digital cameras or devices that use SD memory cards.

PNY Elite Performance And Lexar Professional are other cards that I also have had positive experiences with. I have not had files or pictures become corrupted or lost on these brands. If a failure did occur, all of the manufacturers have image recovery software available.

When I have experienced issues it has been with generic SD cards. Having a low price or being a bundled item are the main selling points of these cards. Unfortunately, this is also the most popular type of card to be wrongfully advertised.

It's very easy to put a Class 10 label on a Class 4 card. When the camera image processor starts writing data there is going to be an error message or unreadable photos if the card's write speed isn't good enough.

Storage capacity controls a big part of the price. You will be better off by going one step down in capacity to lower cost instead of choosing a cheaper brand. Read and write speeds are important factors that will affect your enjoyment of the Pentax K110D.

Recommended SD Cards

Lexar 633x 23GB UHS-I SDHC Memory Card

Lexar Professional 633X 32GB

  • High-speed, Class 10 performance.
  • UHS-I technology for a read transfer speeds up to 633x (95MB/s).
  • High-speed file transfer from card to computer to dramatically accelerate workflow.

The Lexar Professional is close in performance to the SanDisk Extreme Pro SD card when used in the Pentax K110D. The main difference is that the Lexar memory card has a slower write speed.

Sometimes there can be a difference in cost between the Lexar and SanDisk SD cards. I would not spend more for the Lexar, but also would have no issue purchasing it if it was substantially less expensive.

SanDisk Ultra UHS-I SDHC Memory Card

SanDisk Ultra 32GB

  • Good value to save some money.
  • Quick transfer read up to 80MB/s.
  • Class 10 rating for Full HD video (1080p).
  • Waterproof, temperature proof, X-ray Proof, magnet-Proof, and shockproof.

The SanDisk Ultra is a lower tier than the Extreme Pro when it comes to performance. Additionally, that comes with a minor decrease in cost.

You will not start seeing a difference in performance unless you need to write a large number of files onto the memory card. This is not the best selection if you plan to use the memory card to shoot 4k video one day.

SanDisk Extreme Pro UHS-I SDHC Memory Card

SanDisk Extreme Pro 32GB

  • Read speeds of up to 95MB/s; write speeds of up to 90MB/s.
  • Shock-proof, temperature-proof, waterproof, and x-ray proof.

Memory Card Reader

UGreen 4-in-1 Card Reader
There's a bright blue LED that bothered me. It is now covered in gaff tape.

The UGreen 4-in-1 memory card reader can handle four different memory card formats. These include all memory cart formats camera manufacturers use in all but the latest professional-level cameras.

The UGREEN memory card reader connects over USB 3.0. Transfer speeds over USB 3.0 will have faster transfer rates than what the Pentax K110D can achieve using the USB transfer mode.

There are many favorable customer reviews for the reader, which I agree with. I would recommend it because the card reader has worked with all the computers (Windows, Mac, and Linux) I have plugged it into.

The cable keeps memory card slots from getting in the way of other devices or accessories that are being used in another USB or nearby port.

When I searched for a more compact card reader that would be lighter for travel, I had to return a couple of orders. I experienced the most commonly seen problem mentioned in customer reviews, the readers were not recognized by my computer.

The UGREEN card reader can be used with the card formats below:

  • CompactFlash Cards
  • SD, SDHC, & SDXC Cards (UHS-I supported)
  • Memory Stick (MS), MS Pro, MS PRO-HG, & MS XC DUO
  • MicroSD, Micro SDHC, & Micro SDXC Cards

Pentax K110D SD Card Compatibility

Only SDHC and SD cards can be used by the Pentax K110D. Check to check that your camera has the most up to date firmware installed.

SDUC or SDXC memory cards cannot be used in the K110D.

You need to understand the four types of Secure Digital (SD) memory cards that can be bought. They are divided by storage capacity.

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

Image Capacity

Olympus SD Memory Card Contacts

Image quality settings on the Pentax K110D will affect the number of images that can be stored. Higher image quality settings will produce larger image sizes.

If you're planning to shoot a bunch of RAW files, it can make sense to get a larger capacity card.

If you shoot JPEGs, you would be better off investing in another battery in place of a bigger SD card. A card with only 32GB of capacity would have ample room for days worth of pictures that would need batteries to be recharged several times.

In reality, the limiting part to how many images you can take will be your camera batteries. Take into account that, any time the Pentax K110D is powered on, even if you are just navigating through menu settings or using the live view, that will still lower the battery life.

In low light conditions, like indoors or at night, the flash built-in to the camera can be useful. Shutter speeds won't be fast enough without using the flash to avoid motion blur.

The following is an approximation of the quantity of high-quality JPG images you can expect to save on a SD memory card for the provided capacity:

  • 4GB - 1,160 images
  • 8GB - 2,320 images
  • 16GB - 4,640 images
  • 32GB - 9,280 images

Speed, Class, & UHS Ratings

Card Speed

Speed ratings of an SD card is based on the sequential write and read speeds. The write speed of an SD card is important for clearing the camera buffer for continuous shooting in addition to recording video.

Slows SD cards can cause a drop in the number of continuous photos the Pentax K110D can capture. This is because the camera's buffer will not be able to write data to the card quickly enough.

With video, a slow memory card can cause recording to end. The video file could also end up being corrupted. If you intend to shoot video, it is important the card you use meets the required minimum continuous write speed for video.

Read speed is important for transferring files to a computer. If you have cards that are full, a memory card with a fast read speed will decrease the transfer time.

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 related to the sustained write speed. Cards that have a 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 name memory card that you can buy will be rated Class 10. You can check the class rating of a card by looking for a number inside of a 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 comes in SDHC, SDXC, and SDUC cards. The UHS bus memory cards to achieve faster write speeds.

Three different versions exist. They are UHS-I, UHS-II, and UHS-III.

You can figure out the UHS rating of an SD card by checking the front of the memory card. If the SD card has UHS, a Roman numeral I, II, or III will be on the front 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 needed to choose one, the SanDisk 32GB Extreme Pro is the best Pentax K110D memory card. Any future camera you own, you will know what sd memory card to buy.

Listed here are more posts on Pentax cameras similar to the K110D:

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