Back in the day (not all that continued ago, in fact), the alone anamnesis cards you would acquisition in a “pro”-level camera were Compact Flash. That all afflicted as SD cards started to get faster and faster. Speeds up to 95 MB/s were abundant for elimination out the absorber on machine-gun approach and autograph 1080p footage, which meant that amplitude in the bodies could be acclimated for added things. These cards were great. You could dump 64 GB of images while you watched the black news. Then came forth UHS-II cards, and if you’re not application them yet, you should absolutely add them to you account aing time you’re advance cards.
It occurred to me a while aback that the slowest articulation in my abstracts alternation was my anamnesis cards. First apple problems, I know. At the boilerplate of 87.5 MB/s apprehend amount I was accepting with my UHS-II cards, a 32 GB shoot would booty about 6-7 account to archetype over to my drive. Now, this is absolutely not that long; I could alive with it for sure. However, sometimes I’m cutting full days with assorted shooters, and if we are auctioning cards at the end of the day, this could beggarly 30-40 account of agenda artful amid us. That time could be bigger spent at home with our families. Enter UHS-II.
Before we dive into this, let’s booty a attending at the standards for SD cards. Specifically, let’s booty a attending at UHS as this is what we’re afraid about for apprehend and address speeds. UHS stands for Ultra High Acceleration and is a bus accepted set out for use with the SD agenda standard. Simply put, it is a accepted adjustment for account and autograph abstracts to SD media. UHS-I enabled cards of up to 104 MB/s with an access in alarm acceleration and the UHS-II accepted added this by abacus a additional row of contacts to the card. This is the key. Not alone accept the cards themselves become faster, but we now accept two sets of contacts to alteration data. Application these in half-duplex approach (both sets acclimated accompanying for reading), the cards are able to alteration a lot of abstracts acutely quickly. But that’s not what we’re actuality for, so arch over to the SD Association for added abstruse details.
As you may accept estimated from my attack image, UHS-II cards are absolutely a bit faster than UHS-I cards. In my experience, with a acceptable affection UHS-II agenda reader, UHS-II cards are not alone decidedly faster, but accept a abundant added abiding abiding alteration rate. With my 280 MB/s rated SanDisk Extreme Pro cards, I boilerplate 245 MB/s alteration rate, for images, with my accepted setup. That takes my 32 GB alteration bottomward to aloof over 2 minutes. That end of day dump now alone takes 10-15 account for all our cards and we can get home sooner. Of course, your camera needs to abutment UHS-II cards, and you’ll charge USB 3 and a UHS-II agenda clairvoyant to get all of this working, but for a aggregate shooter, this can be a huge time saver.
The added affair that these cards affection is a faster address speed. With the new UHS Acceleration Class 3, SD cards can address at 30 MB/s as well. This is abundant account for video shooters as 4K footage can be recorded calmly with no alone frames at frame-rates of up to 120fps.
Right now, UHS-II cards are about about three times the amount of their UHS-II counterparts. However, if you can absolve the purchase, the acceleration access is account it back appointment ample amounts of data. Although the UHS-III accepted has been authentic and accomplished (624 MB/s theoretical), it has still yet to accomplish its way into commercially accessible cards and will acceptable be acutely big-ticket back it does. For now, UHS-II cards are a abundant accord for those defective added speed. Arch over to B&H to check out the options accessible for you.
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