Sammys top models for 2018 are the Galaxy S9, S9 Plus (or S9+) and the huge Note 9 that can used with a pen. S9 and S9 Plus differ mainly in two aspects: the “Plus” model has a dual camera setup on the back and a larger display. The Note 9 uses the same camera as the 9+ with an ever larger screen.
All three smartphones have a card slot to extend the built-in memory: Per Samsung the S9/S9 Plus can be extended by 400GB while the Note 9 accepts up to 256GB cards.
Single SIM versions of the S9 / S9+ / Note 9 have a dedicated slot for a micro SD card next to the SIM (left); dual SIM versions feature a hybrid carrier that holds either two Nano SIMs or a SIM and a memory card (right):
Besides installing larger apps like games, the extra memory is useful for storing images and videos which can get quite large, especially when recording 4K: As a rule of thumb, FullHD Video uses between 100-200 MB per minute, 4K gets up to 500-800 MB. A single 20 Megapixel JPEG will take up to 10 Megabytes.
With the camera app open, the smartphone will automatically change the default storage location to the micro SD card when a card is inserted:
If so desired, the S9 / S9 Plus / Note 9 can encrypt the card’s content; the respective option can be found in Settings > Biometrics & Security > Encrypt SD Card.
Note: Keep in mind that an encrypted card can only be read with the smartphone that was used to encrypt it in the first place. Should the smartphone get lost or reset to factory defaults, the card’s contents can’t be accessed anymore.
These days we wouldn’t consider memory cards smaller than 64 GB. Using the ballpark numbers from above this capacity would be sufficient for five hours of Full HD video, 90 minutes of 4K video or about 6.000 JPEGs.
For most users a Class 10 card like the following will be fast enough:
Besides in a smartphone, micro SD cards can also be used in action cams and, with an SD adapter, in digital cameras. The Class 10 card recommend above will be fast enough for Full HD recording and up to 5 FPS serial photography. However, it will likely be too slow to record proper 4K video and will also slow the camera down with higher FPS rates and high speed photography applications like Super Slow Motion and 4K photo.
In those situations, a Class 30 (aka. U3 or V30) card will be required::
Publication: 29 Nov 2018
Author: Camera Creativ Team
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