New SD card

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My gf was nice enough to get me a 4gig class 2 sd card...I was wondering if there were any downsides to me having this and if any could then be fixed withough having to get a class 6 which from my searches and reading in the forums if a really good investment.

your class 2 card will just not be as fast, but it still usable.

Originally Posted by holmes901

My gf was nice enough to get me a 4gig class 2 sd card...I was wondering if there were any downsides to me having this and if any could then be fixed withough having to get a class 6 which from my searches and reading in the forums if a really good investment.

downsides is..class 2 wont run roms as fast as class 6. but still pretty much usable


4gig class 6 on newegg.com is now about 14 after shipping

sd cards and class ratings

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The problem with sd cards, are that the rated class is often way off. They often perform much better.
For example, I have two kingston class 5 cards, that have read speeds at 12.5MB/sec, and one Sandisk class 4 with read speeds at >16MB/sec.

As comparison, I have a no-name class 6 that barely reads at 8MB/sec.

All three brand name cards also writes faster than the no name class 6. So why they are rated class 4 and not 6 is a mystery to me.

Ideally, we should have a thread where people posted the read/write speed of their sd crads, and included a link to where you bought it from. Mymemory.co.uk is a good place to get them from, in my expoerience. Does anyone know of online shops shipping worldwide that actually states the r/w speed of the cards? Or better yet, a table/wiki with this information?

To answer OPs question though: Class 2 will probaby be slow with Hero-roms or apps2sd. But you cn always test it and see how well it performs. I imagine reading speed is most important.

Originally Posted by naguz

The problem with sd cards, are that the rated class is often way off. They often perform much better.
For example, I have two kingston class 5 cards, that have read speeds at 12.5MB/sec, and one Sandisk class 4 with read speeds at >16MB/sec.

As comparison, I have a no-name class 6 that barely reads at 8MB/sec.

All three brand name cards also writes faster than the no name class 6. So why they are rated class 4 and not 6 is a mystery to me.

Ideally, we should have a thread where people posted the read/write speed of their sd crads, and included a link to where you bought it from. Mymemory.co.uk is a good place to get them from, in my expoerience. Does anyone know of online shops shipping worldwide that actually states the r/w speed of the cards? Or better yet, a table/wiki with this information?

To answer OPs question though: Class 2 will probaby be slow with Hero-roms or apps2sd. But you cn always test it and see how well it performs. I imagine reading speed is most important.

Sandisks are on average the fastest of the flash memory cards... and i believe you pay a slight premium for it? i have one, but from amazon for like $30 so idk

I currently run an 8 gig class 4 card by PNY with a one gig partition for my apps. It's been slowing down lately (because I'm using nearly half of it). Gonna get my wife to get me a 16 gig class 6 card next month.

I had a classless 2 gb card and it runs just the same as this sandisk 8gb class 6.

I don't see what everyone talks about. I tried them both on cm 4.0.4 and now with this new CM and I don't see a significant difference.

I'm running like 7 widgets all over the 5 pages.

Maybe I just can't tell...

Originally Posted by Ssantos6981

I had a classless 2 gb card and it runs just the same as this sandisk 8gb class 6.

I don't see what everyone talks about. I tried them both on cm 4.0.4 and now with this new CM and I don't see a significant difference.

I'm running like 7 widgets all over the 5 pages.

Maybe I just can't tell...

yeah it seems that the classless cards, although slower on file transfers, are not maximizing bandwidth with swap and stuff so looks like it's even... and only SDHCs have a class looks like. my stock G1 card worked fine but crashed a few times with apps2sd... running hero is probably why though.

The class refers to the minimum read/write speed necessary for continuous streaming of information, not the maximum read/write speed (more important for digital cameras and camcorders than our devices). The common misconception is that a class 6 card is faster than a class 2 card. You have to be aware of the MAXIMUM read/write speed which will tell you which performs better: ie- you may have a class 2 with a higher read/write speed than the class 6 which would make the class 2 faster.

Originally Posted by ofsinreno

The class refers to the minimum read/write speed necessary for continuous streaming of information, not the maximum read/write speed (more important for digital cameras and camcorders than our devices). The common misconception is that a class 6 card is faster than a class 2 card. You have to be aware of the MAXIMUM read/write speed which will tell you which performs better: ie- you may have a class 2 with a higher read/write speed than the class 6 which would make the class 2 faster.

that usually happens when people get a lower-quality/class Class 6 card thinking they're all fast... fact is, Sandisk makes the Class 6 Mobile Ultras which get 16mb/s average and maxxed at 24mb/s once for me while some crappy Class 6's might just get the bare minimum for Class 6: 6 mb/s