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SanDisk Extreme microSDXC UHS-I Memory Card ReviewA couple of weeks back, SanDisk launched a new line of Class 10 UHS-I microSDHC / microSDXC cards targeted at performance conscious consumers. When describing the cards, SanDisk’s director of retail product marketing Susan Park said, “The SanDisk Extreme microSDXC card allows users to do more with their devices…Our high-performance and high-capacity microSD cards enable consumers to take advantage of the high-quality HD video and imaging capabilities in the latest 4G smartphones, tablets and action cameras."

With up to 80MB/s read and 50MB/s write speeds, the new SanDisk Extreme microSDXC cards should easily be able to handle the needs of users taking photos and videos on today’s mobile devices, be it a smartphone or tablet or even a high-end camera. And with capacities up to 64GB, the cards offer plenty of storage space too...

SanDisk Extreme microSDXC UHS-I Memory Card Review


MAN I love tiny cards with a huge amount of data. Seeing pictures of devices the size of a car holding 1MB blows my mind. We are so spoiled now. Can't wait for 1TB SD cards!


Last I saw mobile phones limited the memory sizes coming from these cards. My previous phone could only handle 16gb extra. Did they increase this recently?

I would love this in a camera or a 3DS, but they use mostly standard SD cards I thought. I think trending towards these smaller cards is in the works though/hopefully.


These cards are crazy goog. Have one in my tablet, it never lags and transfers quick as all hell!


Excellent performance, it needs to be priced a bit lower though, I recently purchased a Sandisk Ultra 64gb Microsd for £33, will stick with that until the new ones decrease in price.


SD cards are great. Durable, portable, spacious...they've got so many advantages over other media options.


If you are looking for a new memory card than buy a new SanDisk MicroSD Card 16 GB Class 10 Ultra with high storage capacity and advanced features.

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have 32's in my phone and tablet, never had any problems. Look at Best Buy's "Deal of the Day" for these, I found one for $18.


We have an LG-A380 flip phone from AT&T carrier. We had probs with the small memory built into the phone. But both AT&T tech and store guys didn't know what to do. One tech chat guy tried to scare me off: "Oh, you'll have to tear apart the phone and the memory is built in." He didn't know the phone supports an expansion MicroSD up to 32-GB. I bought the SanDisk Extreme 32GB today, and am so happy.

By the way, the LG-A380 does not show its slot. It is hidden under the battery cover. You have to remove the back battery cover, move the battery out, and then you can see the little 1/2 inch slot that takes the expansion card. This is hardly "tearing the phone apart." Nobody at AT&T told me this, I discovered it on my own.

I think they want to sell their more expensive plans and therefore push the use of iphones. One AT&T guy said, "We've changed the MyAT&T site several times, and so your phone can't access it because it can't handle too much data." Yes, of course, until I install my new MicroSDHD Extreme. Ha ha to you, AT&T!