arguably one of the most impactful developments in storage has been the
micro SD card with capacities of
hundreds of gigabytes on a card about the size of your fingernail they've
enabled awesome storage flexibility in
tons of small devices that even full-scale home PCS 20 years ago
couldn't dream of but in this age of SATA 3 and PCI Express drives it is
clear that the bottleneck of most storage formats is still one that people
want to overcome and that is speed and
this is especially relevant to micro SD as these small memory cards are becoming
increasingly popular as a more primary
storage device uh such as in a netbook
or a smartphone or Raspberry Pi well
enter Universal flash storage or ufs a
new format that aims to ultimately replace micro SD and although they're
both about the same size physically and in terms of capacity right now ufs
promises to be a heck of a lot quicker
most mainstream micro SD cards have sequential read and write speeds below
100 megabytes per second and even high-end UHS 2 cards have a theoretical
cap of 312 megabytes per second one
direction or 156 megab per second second
in full duplex with most cards being slower than that ufs on the other hand
can perform sequential reads at up to 530 megabytes per second which
essentially matches high-end sata3 ssds
right speeds will be as high as 170 megabytes per second allowing for better
performance when recording 4K video or taking large uncompressed photos things
that are becoming more and more common as feature-rich smartphones increase in
price and become more widespread and if you're interested in
using a ufs card for things other than just storing large files such as running
mobile apps or using it instead of a hard drive in something like a
Chromebook ufs also has vastly improve
random performance uh which is usually expressed in iops or inputs and outputs
per second which is the most important
thing in some ways for everyday allpurpose use something you can learn
more about out in this video so the fastest current gen micro SD cards can
get a little over 3,000 iops in 4k
random reads but ufs cards can do up to
40,000 read and 30,000 right ey Ops
that's not quite as fast as a current mid-range SSD which might get around
70,000 iops but that is still insanely
fast for such a small card and several
thousand times faster than your typical mechan mechanical hard drive so not only
do these increased speeds mean better performance they might also give us
greater flexibility with regards to app storage options as many developers
haven't allowed their apps to run directly off of micro SD cards due to
concerns about responsiveness and since devs might be more open to having their
software run off of usfs cards you're not going to be as hamstrung by your
phones internal memory and you might even get well more value optimized
choices for your next phone since manufacturers won't have to maintain SKS
with a bunch of different capacities inside you can just put in your own
storage add in the significantly lower
power consumption compared to micro SD which will keep your battery powered up
for longer especially if you're taking pictures or recording videos and ufs
looks set to make our mobile gadgets even more useful than ever before though
you might have to wait a bit to take advantage of it Samsung just announced
ufs quite recently in the cards haven't quite hit the market yet not to mention
that there aren't any readers for them however this might be good news for
those looking to buy a Galaxy phone in the near future especially as Samsung
has developed a slot that can accept both micro SD and ufs cards even though
the two formats aren't electrically compatible but regardless of your device
of choice keep an eye out for ufs cards soon because nothing could be worse then
your micro SD card depleting your battery while you're in the middle of
playing Pokemon go could anything be worse than that no it
could not speaking of things that couldn't be worse does your job suck are
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