12/27/2022 0 Comments Critical care memory note cards![]() ![]() UHS-I has theoretical transfer speeds of up to 104MB/s while the UHS-II interface can have theoretical transfer speeds of up to 312MB/s. There is the UHS-I and UHS-II bus interface. Most cameras support the UHS bus interface that UHS memory cards can take advantage of. Data transfer speed: Pairing your U3-rated SD card with compatible devices that support the UHS bus interface will possibly boost the transfer speeds of your card.Choose only cards that have the U3 marking (the number 3 inside a capital U). Only the U3 class is capable of writing at the speed required for 4K video, which is 30MB/s. SD cards have six different speed classes. Your card choice must have a fast enough write speed to keep up with incoming data. Write speed: This is probably the most critical factor in selecting 4K storage.Card capacities can range up to 256GB and are ideal for 4K video. Start with 63GB unless you are shooting way less than an hour or are not concerned about running out of space. We just mentioned that an hour of 4K video uses about 45GB of storage space. Card capacity: You already know that shooting 4K video leads to excessively large files.For this discussion, we will be referring to standard-size SD cards and microSD cards. And three of them revolve around the same metric. When it comes to shooting 4K video, there are four things that really matter: card capacity, write speed, data transfer speed and video speed. So one standard has more than 4,000 pixels, whereas the other does not. The 4K used in the consumer world (TVs and video equipment) is referred to as Ultra-High Definition (UHD) and has a resolution of 3840 x 2160. In professional circles such as the Digital Cinema Initiatives (DCI), 4K resolution is 4096 x 2160 and is used for filmmaking. Why roughly? Well, because the term 4K is used to describe two separate but similar standards. In this instance, however, it refers to any video resolution with a horizontal pixel count of roughly 4,000. There aren’t a lot of variables to make the selection overly difficult.īefore we get to what the important items are in choosing the correct storage, let’s talk a little bit about 4K itself. ![]() Despite the high-end capabilities of 4K, its specific needs are so rigid and demanding that finding storage for your 4K video camera is rather easy. Of all the devices using digital storage, 4K video cameras may be the easiest to find the best storage solutions for. ![]()
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