![]() Lexar Professional 633x 1TB SD card (opens in new tab).At the time of writing, the highest capacity microSD or SD cards are: What are the largest memory cards in the world?īelow is the list of the most significant memory cards eight have a 1TB capacity, four SD, and four microSD. Memory sticks, being cheaper and more robust, are a better choice. If you plan to buy microSD cards to store data, don't. A 100x card can be expected to deliver more than 14MBps.ġ0. Similarly, many vendors report their speeds in terms of "x" rating, which is a multiple of 150KBps (the read speed of a standard CDROM drive). A Class 4 card is guaranteed to deliver at least 4MBps, while a Class 10 should surpass 10MBps.ĩ. SD cards are usually divided into classes, giving a rough idea of the minimum performance to be expected. Note that all the capacities will likely be much less than stated when formatted.Ĩ. In general, microSD cards with an adaptor cost less than the equivalent SD card.ħ. ![]() For 128GB and above, SD cards are generally cheaper as users usually settle for 64GB as this matches the maximum supported capacity of most portable devices. All the vendors listed below are tried and trusted ones.Ħ. Avoid buying your memory cards from vendors with little feedback on auction websites, as these drives might be fake. If you plan to move files to and from portable devices (tablets or smartphones), consider a micro USB card reader such as the Leef Access.ĥ. If you opt for large-capacity cards (32GB or more), ensure that your device is SDXC compatible.Ĥ. Make sure you include the delivery price when doing the numbers, as you often end up paying more for the postage than the drive itself, particularly for low-cost models.ģ. It's not worth looking for memory cards with capacities smaller than 4GB simply because the price premium you pay twice or four times the storage is tiny.Ģ. If you’re looking to grab a microSD card for your drone or other media device and need to bank big data (capacity exceeds 1TB) or perhaps need multiple decent cards, the Lexar Play is a great option.įrequently Asked Questions How to choose your microSD memory cardġ. The latter didn't match up to its advertised 150MB/s read speeds, but it did excel at the stated 30MB/s write speeds, which means this card trumped some of the more expensive cards in our round-up.
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