Nikon D7100 Memory Card Compatibility & Recommendations

By Nathaniel Stephan
Last Updated: August 5, 2019
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Nikon SD Memory Cards Compatibility

The Nikon D7100 can use up to two SD memory cards. The best memory cards for the Nikon D7100 are SDXC UHS-I memory cards. These memory cards are 64GB or larger and have very fast read and write speeds.

Taking advantage of the dual card slots in the Nikon D7100 gives you access to additional memory card management options. When both card slots are used, photos and video can be mirrored on both cards, or a second card will be recorded to after the first card is full.

If you are in a hurry and just want the best memory card, my recommendation is:

SanDisk Extreme Pro 128GB UHS-I SD Card

SanDisk Extreme Pro 128GB SDXC Memory Card

  • Best value for the money.
  • Capacities from 32 GB to 1TB.
  • Transfer speeds up to 170 MB/s.
  • Class 10 & UHS-I.
  • Temperature Proof, Water Proof, Shock Proof, and X-ray Proof.

Best SD Cards

Memory card manufacturers usually have several different offerings based on level of performance. Manufacturing processes have matured to where it is surprising how small the price gap is between a top model compared

High quality manufactures of memory cards for the Nikon D7100 include SanDisk, Lexar, and PNY. My favorite SD cards have all been SanDisk Extreme Pro cards. I also like to use matching memory cards in any camera that has two memory card slots.

I have never had a SanDisk card fail or become corrupted. Lexar Professional and PNY Elite Performance cards have also worked well for me.

The few times I have run into problems with an SD card, was when they were from cheap or generic brands. Trying to save a buck on a cheap card might result in losing all your photos on it in the future. If you want to save money, the best memory card will be a high-quality card, with a smaller capacity.

SanDisk Extreme Pro 128GB UHS-I SD Card

SanDisk Extreme Pro 128GB SDXC Memory Card

  • Best value for the money.
  • Capacities from 32 GB to 1TB.
  • Transfer speeds up to 170 MB/s.
  • Class 10 & UHS-I.
  • Temperature Proof, Water Proof, Shock Proof, and X-ray Proof.
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.
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.

Nikon D7100 SD Card Compatibility

SDXC, SDHC, and SD cards can be used by the Nikon D7100. The Nikon D7100 is compatible with UHS-I SDHC or SDXC memory cards. You definitely want a card with UHS-I to avoid a bottleneck that could lower the camera's continuous shooting speed or not allow video to be recorded.

Currently, there are four different types of SD (Secure Digital) memory cards. Newer memory specifications add tech that allows for more memory capacity as well as noticeably increased data transfer speeds.

  • 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. (Not supported on the Nikon D7100)

Memory Card Requirements for Video

A class 6 or faster card is needed to record video with the Nikon D7100. Using a card with a slower write speed will either cause problems or not work. The card might appear to work only for problems to occur, such as the video recording suddenly stopping.

Most cards that have been produced in the last several years will be class 10 cards. Newer cards that have the UHS-I will be significantly faster than the class 10 classification. The Nikon D7100 is capable of using UHS-I memory cards.

Image Capacity

Nikon SD Memory Card Contacts

Below is an approximate estimation of how many large JPEG images you can expect to store on each size of SD card.

  • 8GB - 1,600 images
  • 16GB - 3,200 images
  • 32GB - 6,400 images
  • 64GB - 12,800 images
  • 128GB - 25,600 images

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 card reader is the memory card reader I use. It can also read other common memory card formats, which can be useful if you own multiple cameras.

The UGREEN reader connects over USB 3.0. The benefit of using USB 3.0 is that it will have a faster transfer rate than what the Nikon D7100 is capable of over the camera's built-in USB.

While the write speed of a memory card is important when you're using it the camera, the read speed of a card makes a difference when you transfer your photos and videos to another device. A faster read speed can save minutes waiting for RAW files or HD video to download.

The card reader supports the following memory cards:

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

Speed, Class, & UHS Ratings

SD Card Speed

Speed ratings of an SD memory card is based on the sequential write and read speeds. The transfer speed of an SD card is essential for continuous shooting or video mode.

Slows SD cards can cut down the number of continuous images the Nikon D7100 can take. This is because the camera's buffer is not able to write data to the SD card quickly enough.

When recording video, a slow SD card can cause the recording to end. The video file might also end up being corrupted. If you are going to record video, it is critical the SD card you use meets the minimum requirements of the camera.

Having the fast read speed from a UHS-I card pays off when you need to transfer a large number of files from a card to a computer. If you have cards that are full, an SD card with a fast read speed will decrease the transfer time.

Speed Class Rating

Example of where to find SD Card Speed Class on a SanDisk Card
10 inside of a C showing that the card is Class 10.

To determine the class rating of a memory card, read the product info or you can look for a number inside the C on the label.

The Class rating of a memory card is related to 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

Ultra High Speed (UHS)

Example of an SD memory card with a UHS-I rating.
This card has a UHS-I rating. UHS-II and UHS-III cards will have II or III, respectively.

SDXC, SDHC, and SD cards are compatible with the Nikon D7100. Use a UHS-I SD memory card with UHS-I to get the best overall performance from the camera.

The latest SDUC memory cards Are not supported by the D7100.

Currently, there are four specs of SD (Secure Digital) memory cards. Newer memory specifications add tech that allows for greater storage space as well as greatly improve read/write speeds.

  • 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.

Related Cameras

Now that you know what specs to look out for in an SD memory card. The 128GB SanDisk Extreme Pro is the best SD memory card for the Nikon D7100.

Here are some cameras similar memory card requirements:

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