The GoPro Hero5 Session is GoPro’s latest small from factor POV action camera. Building on the success of the Session GoPro have packed 4k capability and video stabilisation into this small package. This make the GoPro Hero5 Session the perfect helmet POV camera.

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One of the biggest areas that is overlooked when getting a video/camera setup for trips out is the speed of the your SD or Micro SD card. If you have just picked up one of these news cameras you might well be asking what is the best memory card for the GoPro Hero5 Session.

As cameras have become more capable the need for faster cards with greater capacity has become more important.

SD Speed Class

The Speed Class Rating is the official unit of speed measurement for all SD cards, including both full and micro sized versions. Speed Class is a minimum speed based on a worst case scenario test and represents the minimum transfer rate of data that the card is capable of.

Class 2 – 2MB/s
Class 4 – 4MB/s
Class 6 – 6MB/s
Class 8 – 8MB/s

Class 10 – 10MB/s

This can be seen on cards as a number within a circle.

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Ultra High Speed (UHS) Class

Just to confuse things a little more there is also an Ultra High Speed (UHS) classification. Ultra High Speed 1 – U1 is the same as Class 10 (10MB/s). UHS sets a minimum transfer of data that the card is capable of in a similar way to the SD speed class.

U1 – 10MB/s (same as class 10)
U3 – 30MB/s

This can be seen on cards as a number within a bucket/U.

U3 is pretty new and is a response to ensure that consumers can easily identify those cards with the highest transfer rates suitable for 4K/2K filming. If your card is not U3 this doesn’t necessarily mean that it is not up to the job. It may simply not be labeled with the new U3 symbol. Check the transfer rates – this is the key.

Why should you care?

The Speed Class is important for video mode or camcorders, as when recording video the device is actually saving a steady stream of data. This is exactly what you are expecting a GoPro camera to do whilst filming video at high resolutions. GoPro recommend SDHC cards with a Class 4 rating or higher for the Hero 2. A Class 10 SD card is recommended when using Time-Lapse mode or photo every 0.5 seconds. For the GoPro Hero 3, 3+, 4, Session 4, 5 or Session 5 a Class 10 SD card/U3 is the best choice regardless of what you are using it for. Always get the fastest card you can.

There is always a danger that if your SD card isn’t up to it that you could encounter error messages or loss of data. When ever my GoPro has crashed or frozen it has always been down to the card I have been using.

The difficulty comes when you start looking at Speed Class and card storage size. The higher the speed class the higher the price, the higher the card capacity the higher the prices. Over the last few months I have swapped out all of my cards for the newest Lexar 633x U1/U3 series. All are more than capable of coping with all the recording options available on the GoPro. All my cards are also 32GB, 64GB or 128GB. I have purchased cards with greater capacity as I have incrementally upgraded my GoPro cameras.

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SD Card Storage Capacity

Some of the older GoPro cameras are limited in the size of card they can handle. The GoPro Hero5, Hero5 Session, Hero 4 Black/Silver and the Hero Session can now accept cards up to 128GB in capacity. Others are limited to 64GB. As with all things like this if you are purchasing a new card for your GoPro try and get the largest capacity that will work with your camera.

SD Card Recommendations

GoPro issue a list of suitable cards and seem to update this on a fairly regular basis. It’s important to use one of the recommended SD cards (or a similar/better spec card) in your camera, or you may experience freeze-up or video corruption issues.

Here are the Micro SD card recommended for GoPro Hero5 Black and Hero5 Session:

GoPro themselves recommend the Sandisk (Western Digital) Extreme U3 cards and the Lexar 1000x U3 cards. I currently use the Lexar 1000x U3 range after using the older 633x range for years.

The Lexar 1000x are professional grade and can happily handle shooting at 4K.

Which Memory Card For The GoPro Hero5?

They are available in 32GB, 64GB and 128GB versions.

The Sandisk Extreme range are only available in 32GB and 64GB versions. If you are looking for 128GB you’ll need to go for something like the Lexar.

Although these are the ones endorsed and recommended by GoPro other brands work just as well. I have been using the PNY range of U3 Micro SD cards without issue.

There are a great deal of fake SD cards out in circulation and it is important that you buy yours from a reputable supplier.

What else should you consider?

I have a fair bit of GoPro kit and to maximise its use I also have a range of must have accessories.