What sd card should I get for my phone?
- Thread starter jepp7445
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rvilkman
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- Jun 12, 2009
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This one should be plenty fast for you, and considering it's a Samsung card you would assume they tested compatibility 
Samsung 128GB U3 EVO select and at $45 should be decently priced too.
Samsung 128GB U3 EVO select and at $45 should be decently priced too.
- Jan 17, 2016
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rvilkman :
This one should be plenty fast for you, and considering it's a Samsung card you would assume they tested compatibility
Samsung 128GB U3 EVO select and at $45 should be decently priced too.
Samsung 128GB U3 EVO select and at $45 should be decently priced too.
Okay, thanks!
mjslakeridge
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- Mar 6, 2013
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My advice would not to get a huge card. You should be transferring your pictures to a computer regularly, and then backing them up from there. If you keep tons of pictures on a large card and it fails, then you have lost everything.
mjslakeridge
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Then go for the 128GB. You have been lucky if you never have a drive or storage medium fail. But your luck will not hold out forever. You just hope it doesn't happen "right before I was planning to do a backup". Since I have had storage mediums fail, I probably error on the side of doing frequent backups, and important stuff gets backed up to a second location.
mjslakeridge
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I kind of do my backups based on the importance of the data. If I took a few pictures of my cats, or some flowers in the garden (that will bloom again next year after all), then I don't worry too much about backing up immediately. However, for my computer based recording studio, at the end of each session, I will backup the session files across my home network to a different computer, and also backup to an external drive, since I may not be able to re-create the music the same way in the future. Same thing after I have spent a lot of time editing audio files, pitch correcting vocals, etc., not because I couldn't re-do the work, but why would I want to.
Solandri
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- Jan 4, 2012
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Actually you should be automatically backing up the photos and video you take to the cloud. Not just in case of card failure, but so you have a copy if you take photos or videos of something like a crime and the phone is stolen or destroyed (by the criminal or by the police). Your Google account gives you unlimited free cloud backups of photos smaller than 2048x2048, and I believe FHD videos up to 15 minutes via the Photos app. If you subscribe to Amazon Prime, it gives you unlimited backups of photos of any size. You need to install the Prime Photos app.
Also, don't just go for the fastest card. The highest speeds are only needed for 4k video and high-speed bursts of photos. The speed rating refers only to the minimum sequential speed. It says nothing about small file random read/write speeds. And typically the cards which are fast at sequential writes are slow (sometimes abysmally slow) at small file read/writes. The small file speeds are what will matter more when the phone uses the card for app data, when you're copying MP3s or PDFs to it, etc. So you're usually better off (both in terms of overall speed and price) buying a card which is only slightly faster than what you need for photos or video.
https://www.sdcard.org/developers/overview/speed_class/
- Jan 17, 2016
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I'm a sucker for speed so I really want it to be as fast as possible in my budget
The card I was looking at: https://www.amazon.com/Samsung-MicroSDXC-Memory-MB-MD128DA-AM/dp/B01CO48M36
Solandri
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I'm not saying you should save money and get a slower card. I'm saying depending on what you use it for, the cheaper card may actually be faster.
Here's a crystaldiskmark report for the $85 card you've linked.
https://www.amazon.com/gp/customer-reviews/RO5W3WI5V30IP/ref=cm_cr_arp_d_rvw_ttl?ie=UTF8&ASIN=B01CO48M36
Here's a crystaldiskmark report for the $45 EVO version of the card.
https://www.amazon.com/gp/customer-reviews/RMX63V8WFE0EQ/ref=cm_cr_arp_d_rvw_ttl?ie=UTF8&ASIN=B06XWZWYVP
Yes, the $45 card only gets 67 MB/s vs 85 MB/s sequential writes. But it gets 3.1-3.7 MB/s small file 4k writes vs only 2.0 MB/s for the more expensive card. Unless you're using the card to record 8k video, the small file 4k write speeds are going to make a bigger difference in daily use. So for most people, the cheaper card will actually be faster.
- Dec 26, 2012
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Quality over quantity. If you are doing that kind of recording, you'll want to be looking at Class U3 cards. Don't even bother with anything Class 10 or lower, the r/w speeds are pathetic, and reliability, even actual recording quality, isn't far behind.
Not sure if the S8 supports UHS-I or UHS-II standards, there's a sizable difference in performance between them, but a UHS-II will work fine on a UHS-I capable, just at UHS-I speeds.
Not sure if the S8 supports UHS-I or UHS-II standards, there's a sizable difference in performance between them, but a UHS-II will work fine on a UHS-I capable, just at UHS-I speeds.
- Jul 9, 2018
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One is to find out at what speed does your device will write and read at, then get the max sizes you can at that speed and size you device can work with. Any thing faster or bigger will be just a waste of your funds.
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