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ringo

What does IOPS mean on sd card?

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Posted · Original PosterOP

I bought Adata 32GB UHS-I class10 sd card. ON packate there is also rating of A1 Random R/1500 W/500 IOPS. What does it mean, something about sd card endurance? Max 500 writes and then sd card is dead?

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It's a measure of speed, with higher of course being better (stands for input output per second).

It's not really a useful measure of speed for most people though, you're better off looking for the read/write speed in MBps.


"those times will never come back :("

"I wish I could find a way to end the pain, other than the way I keep thinking of"

"Roses are dead - Violets too - Outside i'm smiling - Inside i'm dying"

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IOPS are random read/writes. A1 is a speed rating, most important for use in a phone SD card, when you want to put games/applications on it.

Class 10 is for sequential writes,

A1 for random read/writes.

 

But no, it is in no way a endurance rating.

 

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Posted · Original PosterOP
38 minutes ago, Origami Cactus said:

IOPS are random read/writes. A1 is a speed rating, most important for use in a phone SD card, when you want to put games/applications on it.

Class 10 is for sequential writes,

A1 for random read/writes.

 

But no, it is in no way a endurance rating.

 

will it be okay for using it on andorid box for 720p/1080p movies?

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Posted · Original PosterOP

I forgot to ask what allocation size to set on sd card 32gb and usb 64gb? I will set them on exfat format but for allocation size I have no idea...

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30 minutes ago, ringo said:

I forgot to ask what allocation size to set on sd card 32gb and usb 64gb? I will set them on exfat format but for allocation size I have no idea... 

Just select default allocation, should be good.

 

Oh, and by the way, since you are using this for your Android TV box, Use your TV box to format your storage devices. Your TV Box would be able to perform better.

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