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Why 2 Power Adapters for Dual GTX 1080 Laptops?

2016-09-23
in front of me is a to GPU laptop but it's not using the MCU GPUs as many of you know at this point and video and AMD have both moved away from this idea of em suffix two GPUs for notebooks and that's shown here this is a pretty insane one the whole point of this video is just to talk about how it works primarily and I'll get to this in a moment that the unit has two of these power brakes too and they both plug into a single adapter which you can see here so brick one brick to plug into an adapter and then that plugs into the laptop so I'm going to talk about why it's done that way as opposed to a single brick but as for what this thing is this is a cyber power Fame book for extreme it's got two gtx 1080s in it and it has an intel caseback cpu we previously talked about the cpu and overclocked it even but today we're focusing on the GPU part of the laptop which is the fact that it's got two of them the main thing here first of all this is sort of like the titan msi notebooks that you've seen in the past it has a mechanical keyboard I think it has red switches might have found though but it's got a mechanical keyboard with brown or red switches there's a very small battery I'm going to try and lift this up and show you and that battery is up here in the corner so this is actually really small for what the thing that is this big black bar right here is the back plate for the keyboard so that's the back plate on the other side as you'll see in RB role as a keyboard with the switches they are again mechanical so it is bigger and that adds to the sort of fatness of the notebook will call it but this battery small and the reason it's small is because why would you have a big one when there are effectively there's 700 watts of components in front of me in GPUs cpu ram all this stuff it even supports two nvme SSDs there are three total em two slots want to SATA to our nvm e & 2 1080 s or 210 70s if you get the cheaper sku but this unit is thirty eight hundred dollars so when you've got all that stuff having a bigger battery just doesn't matter because you're really not running this thing off battery life ever the only purpose of this battery is to keep the thing alive if you unplug it and move it from one location to another it's not meant to be gamed on you probably won't even sustain we're processing but that's not the point of the laptop it is a desktop replacement and from a technology standpoint whether it's practical or not it is interesting to talk about that's because this splitter is accepting to power inputs from to AC drops which are these these are power bricks these particular ones are 330 watts each so you've got cumulatively 660 wats here in power bricks in front of me but 3 30 watts each individually and then those connect here if you have the unit that's got 210 70s instead of 210 80s which this has then these would actually be 2 30 watts 100 watts last per brick with the 210 70s set up but still two bricks so in speaking with cyberpower the reasoning here is that it's basically a standards and ratings type of thin standard safety standards ratings where once the company's exceed a 330 watt power drop as i'm calling it for the unit it starts entering a class of industrial components and that has different certifications different safety ratings different costs to build so it just becomes really not feasible for the manufacturers to do where they can create a single 600 plus will hot brick I think about it that's that's an entire power supply for your average DIY desktop that is a lot of power so they split it into two and then pretty simply spit it into this adapter here which almost looks like an XLR pinout but not quite but it takes to there and then outputs one which plugs into the laptop so it's kind of cool interesting stuff to know practical maybe not but definitely interesting just speaking to the laptop obviously haven't had time to test this we are in Southern California now shooting this so I don't have my labs out to run journal test but I can look at it and tell you about what's going on just from a technology standpoint for cooling there's a set of three primary fans there's one on either side the CPU is here in the center and that's pretty easy to tell from a few main things one it's got the spring tension two screws holding down the socket cover and the cold plate to the CPU and I'll just hold this up a little bit I can't disconnect this panel unfortunately there we go so CP is right there GPU number one is right here and GPU number two is here and the other way to tell that is because you can actually see the PCIe slot here and here and this pcie slot if you are not familiar with laptops is because these are MXM boards for the GPUs so this isn't like a soldered to motherboard design like his the case with older laptops when they were less demanding of bandwidth less complex less power-hungry or whatever may be the case with each different generation these rmx on boards so they plug into a PCIe slot theoretically you could actually replace one of something on Ron with just the GPU and not the rest of the system but losing just the GP in this case would be very expensive because they're 1080s so that's the setup to ram slots in the bottom if you happen to have one of these units the the phain book for extreme or the MSI equivalent emphasized the OEM then you would basically unscrew all these obvious screws in the panel and there's a couple hidden ones too and those hidden ones are on the other side so if we flip this over which I'm not going to do there are two rubber bumpers that sit between the top of the chassis where the keyboard is and the screen when it closes you peel those off there's two more screws in there so that's the secret to take this apart and then there's also roll out a shot and grab this this part the sort of wings that go and cover the hinge for the screen the display and the body that's how it goes together that's how the cooling kind of works at a top level guess I didn't talk about this third fan this fan is for the CPU it pushes or pulls I'm not sure which without really testing it but through this panel here and then home certainly pulls and then these fans on the sides are kind of like blower fans in just in the way they look but they're not actually they're still axial fans so that is the fan book for extreme and it's the two gtx 980 unit again as always links in description below for more information patreon like the post your video helps that directly subscribe for more content I'll see you all next time
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