SanDisk Extreme microSDXC UHS-I Memory Card Review - HotHardware

SanDisk Extreme microSDXC UHS-I Memory Card Review

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A 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.

We’ve had the top of the line 64GB SanDisk Extreme microSDXC card in house for a couple of weeks now and it’s worked flawlessly in a number of devices, ranging from a new Olympus PEN camera to an as-yet-released portable gaming device. Compatibility is one thing, but we figured many of you would be interested to see if SanDisk’s performance claims were realistic too, so we ran a couple of benchmarks on the thing to see just what it could do. Before we get to the numbers though, here are some pictures and specifications...

SanDisk Extreme microSDXC Cards
Specifications & Features

  • Form factor: microSDHC (16 GB and 32 GB), microSDXC (64 GB)
     
  • Available capacities: 16 GB, 32 GB, 64 GB (1GB=1,000,000,000 bytes. Actual user storage less.)
     
  • Performance/speed: Up to 80/50MB/s Card only. Up to 80MB/sec read; up to 50MB/s write (32 &64GB). Up to 80MB/s read; up to 30MB/s write (16 GB). Based on internal testing; performance may be lower depending upon host device. 1 megabyte (MB) = 1 million bytes. read/write speed (32 GB & 64 GB); Up to 80/30MB/s Card only. Up to 80MB/sec read; up to 50MB/s write (32 & 64GB). Up to 80MB/s read; up to 30MB/s write (16 GB). Based on internal testing; performance may be lower depending upon host device. 1 megabyte (MB) = 1 million bytes. read/write speed (16 GB)
     
  • Card dimensions: 0.59 in x.43in x.04in (15 mm x 11 mm x 1.0 mm)
     
  • Operating temperature: -13ºF to 185ºF (-25ºC to 85 ºC)
     
  • Storage temperature: -40ºF to 185ºF (-40ºC to 85ºC)
     
  • Compatibility: Compatible with all microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices (Not all devices support microSDXC memory card formats.)
     
  • RescuePro Deluxe data recovery software downloadable offer. (Registration required; terms and conditions apply.)
     
  • Support: Lifetime limited warranty (30 year warranty in Germany, Canada, and regions not recognizing lifetime limited warranty.)


Save for its red and gold color scheme, the SanDisk Extreme card looks just like any other microSDXC device (obviously). Included with the cards is a simple adapter and a plastic case (not pictured). Other than that, there’s not much else to report in terms of the product’s aesthetics or bundle, though SanDisk does also offer a downloadable copy of RescuePro Deluxe data recovery software should you register the product and the company claims the cards are waterproof, X-ray proof, temperature proof, and shock proof as well.

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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!

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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.

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

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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.

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

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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.

get the product at its best cheap price at :

Order Now 

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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.

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