Holy crap, what is wrong with the SD association. Why do people need to concern themselves with so many standards, I mean seriously, " microSDHC/SDXC UHS-I CL10 V10 A2 LV" that is ridiculous. Why can't they keep it more simple.
Because people make mistakes. The whole "Class 10" thing is stupid today, because getting 10 MB/s with an SD card is just terrible. It's still on there, though. Meanwhile, we've got a bunch of standards that focus on different things, like sequential speeds for video or random IO for applications. (Frankly, I wish they'd be given dual grades based on 4K random and sequential, and just leave it at that.)
I don't understand why they would use the very slow UHS-I bus when UHS-III was already completed.. Why not use at least UHS-II? So, higher random performance but low capped maximum sequential performance? Business segmentation strategy?
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10 Comments
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XZerg - Tuesday, June 13, 2017 - link
The last image has contradicting information:4k/2k iops in the points
40k/20k iops in the table
HomeworldFound - Tuesday, June 13, 2017 - link
It says that it meets A2 (App Performance Class 2) requirements of 4K/2K.The table lists the cards actual random performance.
extide - Tuesday, June 13, 2017 - link
Holy crap, what is wrong with the SD association. Why do people need to concern themselves with so many standards, I mean seriously, " microSDHC/SDXC UHS-I CL10 V10 A2 LV" that is ridiculous. Why can't they keep it more simple.MajGenRelativity - Tuesday, June 13, 2017 - link
You make a good pointdstarr3 - Tuesday, June 13, 2017 - link
The idea is to make manufacturers clutter up the labeling on MicroSD cards so badly that there's no room left for branding. We're almost there!MajGenRelativity - Tuesday, June 13, 2017 - link
Oh wow, I didn't realize that. Let's make even more standards then!mkozakewich - Wednesday, June 14, 2017 - link
Because people make mistakes. The whole "Class 10" thing is stupid today, because getting 10 MB/s with an SD card is just terrible. It's still on there, though.Meanwhile, we've got a bunch of standards that focus on different things, like sequential speeds for video or random IO for applications. (Frankly, I wish they'd be given dual grades based on 4K random and sequential, and just leave it at that.)
SharpEars - Wednesday, June 14, 2017 - link
Sustained sequential performance of 10 MB/s, woohoo!!! /sSantoval - Wednesday, June 14, 2017 - link
I don't understand why they would use the very slow UHS-I bus when UHS-III was already completed.. Why not use at least UHS-II? So, higher random performance but low capped maximum sequential performance? Business segmentation strategy?mkozakewich - Wednesday, June 14, 2017 - link
Higher compatibility.