Best Sony A77ii Memory Card

By Nathaniel Stephan
Last Updated: April 14, 2020
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Best Sony SD Memory Cards

The Sony A77ii can use two different kinds of memory cards. Sony PRO Duo, PRO-HG Duo, and XC-HG Duo can be used in as well as SD, SDHC, and SDXC memory cards.

The camera only has a single memory card slot. You will need to make a choice between a PRO Duo or SD memory card.

Sony owns the PRO Duo memory card format. SD memory cards have had a wider adoption that PRO Duo cards because SD cards are quite a bit faster plus more affordable.

In a hurry? My unbiased recommendation is to use this SD memory card to use in the A77ii:

SanDisk Extreme Pro UHS-I SDHC Memory Card

SanDisk Extreme Pro 32GB SDHC Memory Card

The best price to performance ratio. Read/write speeds are good enough for use in a camera upgrade.

Looking for a new lens for your camera? Have a look at the 6 Best Sony A77ii Lenses.

Best SD Cards

SanDisk, Lexar, and PNY are brands that make high-quality Memory cards. The best memory cards I have used have been SanDisk Extreme Pro memory cards.

That does not mean you need to purchase a card made by SanDisk for your Sony ILCE-A77ii. Look for memory cards with cool-sounding names. That will make sure you get fast transfer speeds, water resistance, and more professional features.

I have not run into errors with PNY Elite Performance or Lexar Professional memory cards.

When I have had problems with memory cards has been when inexpensive generic brands were used. A low-cost card increases the possibility of data corruption or card failure.

If you are looking to spend less money, don't buy a cheap card. You will be better off purchasing a professional-quality card with a reduced storage capacity.

Recommended SD Cards

SanDisk Extreme Pro UHS-I SDHC Memory Card

SanDisk Extreme Pro 32GB SDHC Memory Card

  • Best value for the money.
  • Capacities from 16 GB to 128 GB.
  • Transfer speeds up to 80 MB/s.
  • Class 10.
  • UHS-I
Lexar 633x 23GB UHS-I SDHC Memory Card

Lexar Professional 633X 32GB SDHC UHS-I Card

  • High speed card.
  • Capacities from 16 GB to 1 TB.
  • Transfer speeds up to 95 MB/s.
  • Class 10.
  • UHS-I/UHS-III.
PNY Flash Memory Card Elite Performance 32GB SDHC UHS-I

PNY Elite Performance 32GB SDHC Card

  • High quality card.
  • Transfer speeds up to 95 MB/s.
  • Class 10.
  • UHS-I.

Sony A77ii SD Card Compatibility

SD, SDHC, and SDXC cards are compatible with the Sony A77ii. Use an SD card to get the best performance out of the camera.

The most recent SDUC cards can't be used with the A77ii.

Currently, there are four specs of Secure Digital (SD) cards. New card specifications increase features that provide for more memory capacity, as well as noticeably increased 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.

SD Card Speed

Speed ratings of an SD card is determined by the sequential read and write speeds. SD card continuous write speed is important for video as well as continuous shooting.

A slow card can cut down the number of continuous photos the Sony A77ii can take. This is because the buffer in the camera is not able to write data to the card quickly enough.

When shooting video, a slow memory card can cause a sudden end to the recording. The video file could also end up being corrupted. If you are going to record video, it is critical the memory card you use meets the required continuous write speed for video.

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 read speed will cut down on the transfer time.

Speed Class Rating

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

A memory card is assigned a Class rating based on the sustained continuous write speed of the memory card. Class 10 is the top rating, even though SD memory cards are for sale that have an improved write speed.

Here are all of the Classes and the corresponding lowest read/write speeds:

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

Virtually any SD memory card worth choosing for the Sony A77ii will be a Class 10 SD memory card. In the time period since the introduction of the camera, Cards have gotten much faster.

Ultra High Speed (UHS)

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

The Ultra High Speed (UHS) bus is built into SDHC, SDXC, and SDUC cards. The UHS bus memory cards to have increased read and write speeds.

There are 3 different specs. They are UHS-I, UHS-II, and UHS-III.

To know what the UHS rating of an SD memory card, look at the label. The presence of a Roman numeral I, II, or III on the front of the SD memory card, that will be the 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

Sony A77ii PRO Duo Card Compatibility

The Sony A77ii can use a single PRO-HG Duo or PRO Duo cards. What PRO-HG signifies is that the memory card has a minimum read speed of 50mb/s and a 15mb/s minimum write speed.

You'll have to pay double to get a PRO Duo memory card than a comparable SD memory card. Considering the price difference, I will not recommend purchasing a PRO Duo memory card for use in an A77ii.

Image Capacity

Sony 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.

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

Related Cameras

There is nothing more you need to know about SD and PRO Duo cards. The SanDisk Extreme Pro 32GB is the best Sony ILCE-A77ii memory card.

Here are a few more cameras that use similar memory cards as the Sony A77ii:

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