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Ask GN 27: When Will Sandy Bridge Die? 20TB NAS, VRM Temps

2016-09-01
hey Ron we're back for another ask a GN episode and as always comments in the questions below questions in the comments below if you have questions we'll try and address them the next episode so this is where we address your questions and sort of a QA before getting to the questions this episode is brought to you by iBUYPOWER and the new elements gain PC with the full side window that is all time for class LEDs and it's basically modified s340 case so I first off before getting to other questions I wanted to talk about this this is a unit we just got in this is a sine ology Nass I think it's a DES 1515 plus and so we loaded this up because we've been having some pretty serious data management issues with all of our videos to give you an idea we've been burning through because of the video photo test data article image website management all that stuff we've been burning through about a hundred gigabytes of data per week it's on a hat because it's not plugged into an Ethernet cable so this is an ass and speaking of Ethernet cables that is how it works it's got I think four ports on this particular model so I could plug in two Ethernet and basically we pipe yes four ports so we pipe that in to our local gigabit switch we just use sort of a generic gigabit switch have a couple of them for the different test setups and then all the data can feed through to all the PCs so the cool thing is that I wanted to talk out with this is we've now set up our multiple test benches the laptops that are under test the production systems the render machine all that stuff talks to this it's all separated I've even started doing permissions and things like that so that users who are only accessing testing data will only see that data to reduce confusion so it's helping a lot give you an idea of what this is it's a 20 terabyte set up we've got it in RAID with all of these populated so five disks they are Seagate disks I'm not sure how they're nasty discs perform yet this is the first time I've used them I've not had great luck with some Seagate stuff in the past but so far seems okay and it isn't raid I've got it set up in a raid 5 set up so that means one day is effectively a parody disc so if we have one failure pull it out put another one in and then we'll be good to go so that's the sort of what we've been working on lately cool technology I've had a lot of fun with the backend managing it we obviously don't really sort of review this stuff generally but I will probably be publishing some test data on it just to show the improvement from our existing three disc raid 5 setup on the local render machine to the 5 disc raid 5 setup with complete remote access it's got a web interface so pretty cool stuff but that is the NASS we've been using so that's where you've seen all the videos on because we're burning again almost half a terabyte per month in video content thanks to the high demand for video content so thank you for watching questions first one is from spork hit six five five who says hey Steve I understand that there's no way of knowing this for sure but how long do you estimate Sandy Bridge CPUs like the 39 60 X I was a good CPU 3930k 2700 K 2600 k so we got sandy bridge-e and Sandy Bridge how long do you think they'll be relevant for high end gaming pcs know particularly calling out of GT X 1080 so you are correct I do not have a good way of knowing 100% for sure but I do know that some of these TVs evlist like the 39 60 X especially still perfectly fine that's a good chip it was an extreme street chip 3930k also a good chip 2600 definitely is getting a bit aged I'm sure it's long on the tooth for some more CPU bound games but you do need to run into those games obviously it's a really experience an issue the interesting thing is with new API is they're not they're not really hitting the market as quickly as you would want for Sandy Bridge but going forward the new api's will aid those older CPUs in terms of managing load so as we've discussed before as many of you all know at this point draw calls obviously this sort of one really go to that everyone talks about the draw calls are being moved more heavy two GPUs they don't have to sort of correspond with the CPU for every single draw call anymore with dx12 and Vulcan if the game is built ground up for those API so other words just a wrapper and it has to do all the work plus the rafts overhead but so that's one point that works for you for these older CPUs that's a good thing in terms of the the sort of more realistic immediate future and present where we're still on dx11 for almost everything and in some very rare cases OpenGL you will definitely start seeing limitations in a few CPU bound games one example total war Warhammer it's not a GPU bound game so if you throw a gtx 1080 in there with a 2600 k you will definitely see throttling versus something like a 6700 K that's the fact now how much start throttling will it be relevant to you it depends sort of on what settings you demand what the rest of your setup is in terms of graphics options resolution of the monitor multi monitor all that stuff but a lot of the options for those types of games will impact the CPU heavily and that is something we see with Total War but it's dx12 enabled at least for testing so that is a positive as well so the hard answer no I do not know if I had to estimate there's a wide range of CPUs the 39 60 X if I had in my system I would still personally be using it because that's perfectly fine even for rendering tasks if you're not doing it every single day a 2600 K let's look at that one that was a really popular CPU and we'll definitely age out the fastest but I mean I probably wouldn't want to pair it with a 1080 but if you're in a situation where you want to buy a 1080 today or whatever equivalent card and then upgrade CPUs maybe with KB Lake I would be ok with that I probably wouldn't want to pair it with a 2600 K for long term though just because it does definitely impact performance in some CPU games but depends on the games you're playing so that's where the the lon answer to that I know it's not the direct answer we really can't give you one because obviously I only have so much future site next question is from very real Americans who says hi gamers Nexus love the channel thank you quick question I'm upgrading for my 2600 K okay so we've got another one - a 6700 K this means I need to get a new motherboard that is correct am I good just plugging in my old SSD with all my stuff on it - my new board and boots the same OS do I need a complete new install depends on your OS Linux is very friendly with switching operating systems generally in my experience Ubuntu I've never really had I said switching operating systems I meant switching platforms Ubuntu I've never had an issue say moving from an AMD system to an Intel system windows I've had lots of issues and many other people have - so with Windows depending on what you're using some Windows versions will attach themselves to like CPU motherboard platform things like that in those instances it will be very unhappy with a move older versions of windows especially Windows 7 has had issues I know Windows 8 has had some issues those older versions especially as you migrate from very different architectures one to the next that is when you'll see the biggest impact and it could be a few things it could be you know immediately because you blue screen can't boot or it says no operating system detected or something like that so that's obviously a failure you can't work around that another potential issue well you could try work around it but it's really not worth it another potential issue is it looks like it works but there's some performance loss because who knows what's going on under the hood and the one of the reasons for a lot of that stuff is because you've got all these old drivers that are just embedded in the system chipset drivers all the graphics audio all that stuff and it's more than that - because every single USB device you've ever used goes into the system and is logged somewhere every GPU Ram CPU all that stuff it knows what all those devices are Windows builds itself around talking to them especially older versions so it doesn't do well with migration you can certainly clean it up but unless you very much need keep that OS I would recommend a clean install and just in the future partition everything in a way that you can keep all your documents images all that stuff isolated and just blast the OS whenever you need to change it Windows 10 I've had pretty good luck with changing but again when you change platforms you definitely can see some variants and even framerate moving from one platform to the next you really need to be throw with driver cleaning but it does depend on the OS next question is oh well I guess to sort of direct the answer 2600 K to 6700 K try it if it looks like it's performing poorly before maybe the migration before you migrate try and do a quick benchmark so you know your baseline test it again with the new platform if it looks bad it's not booting then just be prepared to wipe it the next question is from Oberst Oberst who says do you know what's an acceptable max temperature for VR M's if you're talking about motherboard VR MZ v RM it depends as always on the components the MOSFETs everything they use in their cooling but generally they can get pretty damn hot so they they have a much greater range of temperature tolerance than something like a GPU or a CPU or you might kind of hit limits on 90c with most VR Em's most very blanket there you'll be okay a hundred degrees plus what's acceptable is maybe different from what's the maxim max some VRMs we've worked with recently you can go up to 125 C would you want to do that absolutely not but they will still function they lose efficiency as they heat up of course and obviously they can heat up neighboring components which you don't necessarily want but you can definitely go up there so if you see a hundred degrees C I would try to do something to work on that maybe another fan or something if it's a motherboard setup where if you have top exhaust get rid of that because in a lot of cases not all but a lot of cases we've found that's bad for vrm and for cpu cooling if you use in a tower cooler try and do something about it but 100 C for a vrm is not something that it can't handle probably don't want to run it long-term 24/7 up times but it's not something that system can't tolerate otherwise it would turn itself off but so that's kind of a overview of that if you want more information on vrm temperature I am certainly not afraid to point you toward absolutely or apps hey actually hardcore overclocked and sorry a hack I have screwed up your name like four times in a row actually hardcore overclocking is the channel searching on YouTube he does a lot of in-depth stuff with that and that'll answer some of these questions very specifically for specific video cards next question big man 700 says I have a possibly dumb question what is the highest temperature Celsius that you would want your CPU to run went under 100 some blows definitely not a dumb question so the highest temperature is Celsius you would want to run when under 100% load it depends a bit on the CPU but generally they are all kind of t.j.maxx about 100 to see about plus -5 normally some some are lower like non-case TVs are a lot lower but generally that's kind of the max of your average case Q CPU from Intel or AMD even and that's the temperature at which there will be a thermal shutdown if it can't throttle itself to control the temperatures so what happens is as you approach that maximum the CPU will start backing off of the clock rate and comets frequency and try and lower temperatures so in those instances you'll see framerate output drops the average output over time will drop but it's because it's trying to control the temperature so you do have protections there but in terms of the the maximum that you would definitely want to stay ideally under a point where the CPU is throttling because you obviously don't want to lose performance there's a reason as kind of Dom as heat as opposed to like a hardware reason or voltage reason but for for my CPUs if I'm running air and we're just talking an actual diode temperature value not a delta value I would probably be looking at I try to keep them less than 80 that's not always possible it does depend if it's an FX 9000 series CPU that's a lot harder if it's an extreme series Intel CPU Broadwell Eve that's a lot harder they are higher wattage chips so they generate a lot more heat but that's kind of where I like to stick around is ADC for air if I can do it if I'm on liquid it depends a lot on the cooler the sort of cheap 550 LC ace tech coolers 120 millimeter coolers they really can't do a lot for extreme series chips we on a render rig hit 70 something Celsius that's with liquid that's not ideal I will be replacing that soon with a better radiator and cooler but with liquid I would like to target sort of the 50s South seus non Delta value so hopefully that kind of answers that question that is very general that is all my personal preference so your mileage may vary but that's kind of what I look for when I'm fine-tuning my systems if you can get it lower great but it is hard because 100 percent load generates a lot of heat any modern CPU for the most part the next question last question is from Thomas who says CV cooler orientation is horizontal parallel with the GPU worse for thermals than the usual vertical positioning I have case fans both the top and the back so this is another depends I'll give you a few scenarios where things do matter we've tested this with the Manta and with the 400 C where fans are in different positions in the case and those lives is the recent ones I've also done that Cabaye calif or kilo 5 we've done the half x ages ago lots of cases generally with a fan in the top and even ignoring the CPU cooler orientation fan the top as exhaust you do potentially eat air away almost like you're suffocating the CPU fan you're pulling air away from that fan depending on where it's positioned so in some cases like the KL o 4 I've actually seen improved performance by doing intake on the top which is not something you sort of normally think about not ideal for dust management but better performance or no fans on the top and I've gotten better performance that's not true for every case there are certainly cases where it's better to have top exhaust that depends on how they're built the air channels your tower cooler you're using all that stuff matters but the question here specifically parallel with the GP amount so that's where you've got I guess you're asking video cards like this slotted into the case and then you've got a cooler here and the air is going that way out the back in that scenario no it is not worse for thermals generally but that's mainly because your alternative is to turn to rotate it and point it down at the GPU so either you're pulling air in the top of the cooler and pushing it down through into the back of the card which will heat up the card potentially not in a way that matters but it depends how hot your CPU is or you're trying to pull air in and up and out the top which now your thermals will be pretty bad because you've got the card restricting your air air flow through a tiny channel and the back of the card generates heat by the way and we've measured this and tests with the Manta and the 400 see the card generates heat it'll radiate maybe one or two degrees not a lot but it will certainly radiate heat and warm up your CPU temperature because you are losing dissipation ability of the rest of the CPU heatsink because you're just sucking in warmer air so I would position it the way that you're saying I would position it to shoot out the back if it's at our cooler not position it towards the GPU if avoidable but as far as fan orientation do as much intake in the front and bottom as you can side intake is great for GPU temperatures not every case does it and I would avoid doing too complex to set up in the top of your average case to pan your case because that is where it starts starts getting fuzzy as to if there's an actual benefit or if it's even hindering the cooling so that is all for this episode as always patreon links the post roll video leave college low with questions for the next episode and subscribe for more I'll see you all next time you
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