SelmaTeacher7 Mr. Berry here today we will be looking at the emmc storage and comparing it to
other storage devices so let's get started with the mini lesson so why are we talking about the
emmc today because you can actually find it in many newer Chromebooks as well as entry-level
Windows 10 laptops can also find any mini cell phones as well as tablets so let's look at some
of the benefits and some of the characteristics and compare those to other drives the emmc
embedded multimedia cart architecture puts the MMC components that is the flash memory plus
their controller into a small ball grid array BGA IC package that measures only 32 by 24
millimeters in size it is used in circuit boards as a embedded non-volatile memory system this is
normally different from other versions of MMC as this is not seen as a typical user removable or
upgradable card but rather a permanent attachment to the circuit board almost all mobile phones and
tablets use this form of flash for main storage up to around 2016 until the U FS or universal flash
storage started to take control of the market the latest version of the emmc standard the just
D 84 - B 51 by J deck is version 5.1 released back in February 2015 with speed rivaling discrete SATA
based SSDs at 400 megabytes per second that's not necessarily a slow speed as SATA SSDs will top out
around the same transfer speed however it's not just overall transfer rate that determines how a
device performance will be affected e MMC storage usually operates with fewer memory gates than an
SSD meaning it can still deliver at the same speed just not at the same volume let's think of this
like a highway the more lanes the more cars you can move at a time EMC uses a single lane each
way as seen here in the diagram while an SSD uses a multi-lane highway as seen here so you go the
same speed on either one but the line to get onto the road will be nearly a slow on like multi-lane
highway so if you want the fastest transfer speeds of data you would go with a PCI Express SSD so why
don't we just all have these faster storage units in all of our devices well that comes down to a
few reasons first off is cost makers of laptops and other portable devices have stiff competition
and cost is a big factor emmc storage costs much less than PCI Express SSD or any SSD storage for
that matter let's take a look here we see the Plex stur 128 gigabyte PCI Express solid-state
drive going for five hundred dollars compared that to the 64 gigabyte e MMC at only $40.00 now
yes the PCI Express has twice the storage that is 128 gigabytes versus 64 gigs but look at the
cost $500 for 128 gigs or only $40.00 for the 64 gig version so here we see it's three dollars and
ninety cents per gig for the PCI Express versus only 60 cents per gigabyte for the emmc next is
size customers want super slim laptops and emmc storage takes a very little space compared to a
m2 SSD let's take a look here we see the m2 slot and the car take up more space then the chip of
ATMs MC next is power consumption the newer emmc version 5.1 wins in this area allowing for longer
battery life for laptops emmc runs from 1.9 vote to 3.6 volt while consuming between 4 and 7 watts
depending on the load emptier solid state drive varies from 5 to 8 watts depending on the load
next is read/write speeds the newer emmc 5.1 running at 200 megahertz at 3.6 vote are faster
than the earlier e MMC e versions but not as fast as the m2 SSDs let's take a look at these charts
on the first chart we see a typical micro SD card speeds with its read and write speeds next is a
one terabyte SATA 3 hard disk drive inside of a HP laptop after that is a 32 gigabyte e MMC version
4.5 found in the HP stream 11 then we have the 32 gigabyte e MMC version 5.1 and that's found
in the Acer Chromebook 15 CB 5 1 5 after that we have the 128 gigabytes out of three crucial
m4 found in the Intel nuke then we have the 64 gigabyte m dot 2 found in the Acer Chromebook 15
CB 5 and after that we have the 128 gigabyte PCI Express tour shiba solid-state drive found in a
typical desktop PC and now my final thoughts for the emmc chip now this is not typically seen as
a user upgradeable part so if you find yourself to have this in your laptop basically that's what you
have as your storage you cannot upgrade it it's not like the m2 we can just swipe it out plug
in another one it actually takes some work because this is soldered on to your main motherboard I can
already hear the naysayers saying not so fast mr. Barry we've seen others change the emmc chip on
a samsung phone why can't we do it on laptops as well well first off you got to make sure that you
do find the correct the MMC for your particular device also the ones that come on the laptops are
already 32 gigs and the next size that can find right now on eBay in other places the 64 gigs so
it's just a small little jump in this size once you found the correct e MMC won't go in and then
remove the motherboard from your laptop and then secure it and ground it after that you want to
heat the mm see now you want continued heat and then scrape away excess solder from the edges
of that emmc as you see down here so here we're heating it and this may take three or four minutes
of heating and scraping away continue to heat and now slowly and carefully pry up the edges of
that emmc after about three minutes of heating and prying lift a corner of the emmc off from the main
board then remove the emmc from the main board as seen here now you need a tech note of where the
pins were connected on to your main board so look for the pin configuration where pin one was and
make sure that when you put on the new chip that's in the same orientation now you want to scrape off
the excess solder and that you do that by applying more heat and scraping off the excess solder there
you can also use a brush to brush off some less solder make sure that all of the excess solder is
gone as you see here and you can find and clean it with a brush now it's time to place the new emmc
right on the board making sure and taking note of where pin number one was on the first chip after
that secure the chip as you see here and then heat the top center of it after about thirty to
forty-five seconds of heating and pressing on there you should be done we move the grounding
remove the heat blow it off and then reinstall the motherboard into your laptop just need more
storage try this you can just go in and buy a little flash memory like this this is a hundred
twenty eight gigs of storage and you can put your movies or videos or other things onto this and
keep it around and you'll barely notice it outside of the USB port well if you have a comment or a
question concerning the emmc chip you can leave it down below in the comments please rate the video
and subscribe to my channel if you haven't done so already thank you again and bye bye