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Pumps and Reservoirs - What to look for when shopping

2015-10-12
hey what's up guys JC cents here and I completely and utterly failed in my last water-cooling video because I accidentally I still don't know how I did it I could have swore I edited it the entire segment about pumps and reservoirs so anyway we're gonna go ahead and talk about it again although first time for you guys second time for me doesn't get any easier guys I swear have you been putting off water cooling your computer because you're afraid that you're a klutz and you're just gonna screw it up well that's okay because Ek water blocks is launching its brand new line of predator water cooling loops that feature the exact same components that you would find and standalone custom-built loops already put together for you okay so water pumps for your computer are no different than any other water pump on any system on the face of the planet it's nothing more than a device to move body a body of water through a system doesn't matter if it's a car or an aquarium or a pool they all work pretty much identical where the impeller is going to move and water is going to flow that's all there is to it now water cooling pumps over the years have been pretty much nothing more than adapted industrial solutions to work in our pcs now companies like Lange have made the famous D 5 and D DC pumps and at the risk of sounding like a fanboy those are the only two pumps I personally recommend period they're the only pumps that I use in my systems as long as your budget can afford it because they're not really very cheap but they are quite literally the best that you can get now you might be sitting there at your screen going Jay you're so full of you just said you only use laying D 5s and DD C's but you've used Swift tech and you've used AB cool you've used D K water blocks well you just hold your horses there because Lang is the odium for those brands or those brands buy the pumps from Lang and they put their sticker on it and then they come up with their own pump top solutions that way they work in your PC's because the pump itself it's still no different than I need to stop my chair from rocking back here I'm going to like fall back in the middle this video there's still nothing more than industrial pumps for being used in your PC so it was these PC manufacturers like XS PC and UK water blocks and a swift tech alpha cool it have all come up with their own pump tops to make them work in your pcs now pump top is nothing more than something that attaches to the pump so that you can attach fittings to it and mount the pump that's all a pump top is now usually this is a this is an alpha cool d5 pump top here with multiple fittings on here for a couple inlets a couple outlets depending on depend you know how you're going to mount it in your system this is a very common one that you're going to find it's kind of a plastic plain square this is made out of acetal which is a type of plastic it's very durable very lightweight and easy to manufacture so that's why you find a lot of these acetal materials you're going to find other types of materials though just like how EK water block does use plexi on some of their you know cpu tops you're going to find you know materials like that that are used just like on this water block here we've got for this 980ti this is a plexi top so you will find pump tops in both acetal palm and plexi now let's go ahead and start with the d5 pump because that's my personal favorite the d5 pump moves a lot of fluid and I mean a lot and there's two specs when it comes to shopping for a water pump that you need to understand the first fecking liters per hour now that's pretty self-explanatory it means at full speed full operating speed for that pump it can move X amount of liters in one hour timeframe now more liters per hour sounds like a very good thing but just like fans airflow and head pressure in the case of pumps works just like static pressure in the case of fans we're having more flow does not equate to better pressure so if you have a lot of resistance in your loop and you don't have a pump that's good a nice powerful head pressure then you're going to have a lot of drop-off the more resistance you in introduce into your system you know over here we have skunkworks and we've got two loops going on there and the reason why I mentioning head pressure is because there's something you need to understand with that where even though the d5 is a high flowing pump it does not it is not the best pump when it comes to overcoming a lot of resistance now radiators themselves are not inherently very resistant in fact the amount of rows that are in a radiator usually equate race to a very similar amount of volume that you would find inside the inner diameter of your tube especially if you have like hard piping like I have so radiators for the most part don't add a lot of resistance what adds resistance is like we just looked at you've got your block here as you can see here you've got an inlet and an outlet and it's got to make a very sharp 90-degree turn go through a lot of resistance in here different fins and channeling to touch certain parts of the die and then it's got to make a 90-degree outlet so it's got a lot of turns it has to make right there same thing happens here with the GPU block it's got to come in make a very sharp turn through a very small opening it's got to come here through all these fins inside the die cooler here the right on top of the GPU die and it's got to make another 90 and it's going to come here make another 90 out every time your fittings go into a radiator it makes it 90 into the radiator another 90 and a 180 at the other side of the radiator and another sharp 90 coming out so what adds the resistance is these blocks and these sharp 90-degree bends in the fittings and the different parts that add this resistance now most of the time fittings are going to be channelled in such a way that they're smooth because if they were just like 90 degrees literally like this then that adds a ton of resistance for the ax for the water flow now as I started to mention a second ago I have two loops going on inside skunkworks I've got a CPU loop which is one radiator at the top one CPU block and then the reservoir and pump combo and then the hard piping for the CPU block the CPU loop I can run at the lowest setting and have no difference in temperature whatsoever because there's plenty of water flow but the other loop which is an identical pump identical reservoir mounting unit for it and identical reservoir is running two radiators a five hundred and sixty millimeter radiator plus a 280 millimeter radiator plus a lot of 90-degree bends down the underneath here where the side rad is and then we've got three GPU blocks that are all making very sharp bends I've actually got to run that pump near full speed and it moves water slower then the CPU pump does at the lowest speed so as you can see the d5 although a lot of water flow does not have the greatest amount of head pressure I you guys can correct me but I do believe it's about 13 feet of head pressure which means it can move water 13 feet up before gravity overcomes the pump and then the pump can't move the fluid any farther now the didi state pump is much smaller it's much more compact but it also spins it a lot higher RPM and because it's a smaller impeller the higher RPM does not necessarily equate equate to more litres per hour but it does equate to very good head pressure so people have used DDC pumps and even used pump tops that allow you to hook to DDC pumps into a single loop have overcome systems much more restrictive than mine and have no problems doing it whatsoever but the downside to a DDC is that they get very very hot so that's why you see that this unit I have put together here which is a reservoir combo with a DDC top from bits power in an ek heatsink on here the heatsink is needed to keep things nice and cool because that's one of the major differences between a D 5 in a DD C where a D 5 is actually being cooled by the fluid running through it the heat is transferred to the impeller and then the coolant that's moving through it takes that heat and travels you know takes it away into the radiator so it's one of the downsides with the D 5 is it can add heat into your loop but as long as you have plenty of cooling it won't matter the D DC is going to get very toasty and relies on heat sink and air cooling to keep it nice and cool I pretty much all water blocks on the market today come with things that you would find specific to PC like PWM or pulse width modulation where the CPU load is going to control the speed of the pump rpm sensing wire so that you can hook it up to your CPU fan header and not have to worry about your BIOS thinking there's no fan hooked up and then giving you a warning at startup thinking that there's no fan that your computer is going to cook itself to death so you don't have to disable that setting because at the same time you would want to know if your pump isn't working and if you hook the RPM wire up to your CPU header and the pump stops spinning for some reason because it goes bad then the CPU can warn you and you know something went wrong rather than just disabling it and blindly having to wonder why your CPU shut down or your computer shut down because the computer overheated obviously both of these pumps have reservoir combo units available on the market now they're not cheap in fact the price of the pump with the combo unit and everything can run you over 200 250 bucks it's not cheap whatsoever but it's certainly a nice option if space is you know very important now as you can see skunkworks has two of them going on in there for the D 5 those are ek options and then over here I have a bits power option for the D DC which is running a bits power reservoir with the bits power reservoir top that mounts on to this is actually ek heat sink that has the pump in there so you screw everything together through these bolts on the bottom and this is what you get a single unit that you can mount horizontally or vertically into your system doesn't take as many fittings and it's it's much more compact it just looks really really cool now speaking of reservoirs cylindrical reservoirs are very very common they look cool they're easy to place you can run them both vertically or horizontally as long as they have multiple fitting options here like you can see from this ek res x3 if you can put it on its side if you have fittings down on the bottom as long as the fittings are underneath the water level then you can run it horizontally and do some cool stuff but you could reserve wires are something that we didn't always have back in the past so that's why in the previous video I called it optional because what we used to do was cut the tube at the top put a tee fitting in there run another piece of tubing off of that put a brass plug at the end of it and when we wanted to fill our system or drain or system we'd remove the plug and use us like a rib it's not really a syringe it's like a fluid syringe where we could stick it in the tube and then slowly pump up our systems using that syringe to fill it full of fluid it just it took a long time it didn't have a lot of place for air to go so that you could bleed your system which is what makes these reservoirs really really nice because you get tons of fluid in here it makes filling and priming your system extremely easy because of the fact that when you turn on the pump it's got a huge supply of fluid to pull into the system and push up into your tubing and into your reservoir or into your radiators and your blocks and then once it empties you stop it fill it back up and do it again you guys have seen me do that in videos it makes it a lot easier the bigger the res the easier it is the reservoir has nothing to do with your cooling capacity whatsoever you could have an entire gallon of fluid and it's not going to run any cooler than if you had no extra fluid than what the capacity of your components can hold because the fluid will just continue to heat up over time until it gets to the maximum operating temperature of your system so don't think that reservoirs are big reservoirs are going to give you any better cooling capacity because it's not period end of discussion it won't happen but does make it easier to fill and drain because if you had this sitting in here and you didn't have any tubing coming in the top like I do on one of my loops on skunkworks you can just undo this entire cap and you have this giant opening here to put a funnel in or put another tube in and use that to pour your fluid in there you're not spilling everywhere you've got lots and lots of room to work with so that's what makes this really nice now sometimes you might need to use a reservoir in a very small system because you might have to use like a five and a quarter Bay type of reservoir I'm not a fan of five and a quarter Bay reservoirs especially the single slot ones because they tend to be a lot harder to fill and and bleed your system and fill your system because there's only like an inch worth of actual fluid level in there that can drain really fast into your pump so you find yourself constantly flipping on the pump and it drains and then turn it off and fill it and it just becomes tedious to fill your system but it's an option if it's the only option you have and a smaller system where a bear bait reservoir is the only thing that you can get to fit in there but ultimately my recommendation would be something like this if you can fit it and your budget can afford it like I said these aren't cheap so there you go guys my video that I unfortunately screwed up on but maybe it was a good thing because I got to now talk more about pumps and reservoirs and I would have been the other video where we got to go deeper so it might make sense to pick each one of these and even do like another 15 minute video about GPU blocks specifically about you know how the different designs work and what materials and maybe I don't know just I love talking about this left water cooling is fun to me and if it's fun to you then make sure you share this video with someone that you think it will help I hope you guys have enjoyed today's video hope it's helped just the ultimate goal between these beginners buying guy buyer guide videos where it's it hurts and it sucks to buy something and you're excited about it but then you got the wrong thing because you simply didn't understand and then it costs you money in return being in time and they just get upset before you even get started and then that can lead to disaster so the whole point in these videos it's not about views it's not about subscribers it's simply about helping you guys do what it is or help you get to know what it is you need to know to do it right the first time because then you can enjoy it I enjoy this stuff I've enjoyed it for years and I will enjoy it for years to come I want you guys to enjoy it too so what set with that said I'm going to get the heck on out of here I'm gonna go play some Forza 6 I love Forza 6 I love cars if you guys couldn't tell you got to see my Instagram my Twitter it's always me uh so as me showing pictures and talking about my my old Nissan 350z that's old and ratalie and dammit I love that car and it's mine and it's paid for that in itself makes it valuable to me alright I'm gonna get out of here guys as always thanks for watching and we will see you in the next video
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