dario_92 Posted October 1, 2011 Posted October 1, 2011 Ok so i have a few questions here, Number 1 - Can i buy 2 of these watercooling kits and hook them both up to the one reservoir ? I ask this because i have the HAF 912 Plus i only have 4 5 1/4 bays and i need to have my dvd drive plugged in also. I am buying two of these becasuse i want one loop for my cpu and one loop for my GPU's. I will be upgrading from my XFX 5830 to a Ati 6950 in xFire and i want a separate loop if possible. Number 2 - Will i benefit alot from upgrading to a sandybridge i5-2500k or will my CPU be fine. Thanks, Dario. Share this post Link to post Share on other sites More sharing options...
dihartnell Posted October 1, 2011 Posted October 1, 2011 (edited) Ok so i have a few questions here, Number 1 - Can i buy 2 of these watercooling kits and hook them both up to the one reservoir ? I ask this because i have the HAF 912 Plus i only have 4 5 1/4 bays and i need to have my dvd drive plugged in also. I am buying two of these becasuse i want one loop for my cpu and one loop for my GPU's. I will be upgrading from my XFX 5830 to a Ati 6950 in xFire and i want a separate loop if possible. Number 2 - Will i benefit alot from upgrading to a sandybridge i5-2500k or will my CPU be fine. Thanks, Dario. Those kits have a combined reservoir and pump. they take two slots each so I think you may struggle to fit them both in a HAf 912. You could buy one kit plus an additional radiator and have one loop. I think a 240mm Rad would struggle to take care of 2 GPUs so the second Radiator would more ideally be a 360 Rad. At the resolution you have, theres not a lot of point upgrading your video card or do you also have a separate monitor apart from the TV. The I5760 is a capable processor and could overclock quite a bit more than you have at present.Sandy bridge would be quicker, but I would invest in the Monitor before getting a new CPU. Edited October 1, 2011 by dihartnell Share this post Link to post Share on other sites More sharing options...
dario_92 Posted October 1, 2011 Posted October 1, 2011 Those kits have a combined reservoir and pump. they take two slots each so I think you may struggle to fit them both in a HAf 912. You could buy one kit plus an additional radiator and have one loop. I think a 240mm Rad would struggle to take care of 2 GPUs so the second Radiator would more ideally be a 360 Rad. At the resolution you have, theres not a lot of point upgrading your video card or do you also have a separate monitor apart from the TV. The I5760 is a capable processor and could overclock quite a bit more than you have at present.Sandy bridge would be quicker, but I would invest in the Monitor before getting a new CPU. Well what about 2x 6870's ? I wanna go xFire with a good card that will last me a few years for all the latest games, i cannot fit a 360mm rad in or outside my case. I dont know what cases do support them ? Share this post Link to post Share on other sites More sharing options...
Stonerboy779 Posted October 1, 2011 Posted October 1, 2011 Well what about 2x 6870's ? I wanna go xFire with a good card that will last me a few years for all the latest games, i cannot fit a 360mm rad in or outside my case. I dont know what cases do support them ? With a little modding you can get 2x 240mm rads internal on the 912. Top and bottom. With a little more modding you can mount the bottom one to vent or the side of the case so fresh air can come from underneath and from the from and get vented from the case straight away. You could side mount a thin rad or get some 120mm rightangle pipe connections and but blowholes in the case side side mount will use less room and you will keep some hdd bays. Share this post Link to post Share on other sites More sharing options...
dario_92 Posted October 1, 2011 Posted October 1, 2011 I can fit one in the front of my case and also the top of the case, i could also mount one externally at my 120mm fan at the back of the case ? Share this post Link to post Share on other sites More sharing options...
sticknstone Posted October 1, 2011 Posted October 1, 2011 I would recommend one kit with one 120 rad and an extra pump if needed. To have two loops with one res/pump will require a y-fitting after the pump and a y-fitting before the res. The pump fluid output is split to the cpu loop (block and rad) and the gpu (block and rad). On return to the res the two loops are joined together. Will the pump have adequate pressure to feed the system? The answer would require the pump head pressure minus each components pressure drop. head pressure >= cpu blk pressure drop + rad pressure drop + gpu pressure drop + hose/fitting pressure drop. Not every manufacturer publishes this info. As more pressure is used in the loop the flow rate of fluid will decrease. High speed fans could compensate for the effect if it is great enough, or an additional pump in one of the loops will boost the system pressure. With a psi gauge the pressure could be measured. The loop will need to be tested for leaks, so this would be a great time to measure the pressure in the system. The pump will have spec info that states the head pressure in foot pounds and the litre/hour flow rate. The final system flow rate could be determined by the formula; system pressure in psi / pump pressure in psi * pump litre/hour flow rate. From research I found ~1.5 l/min to be an optimum flow rate (from a cpu block test). After that flow amount the cooling gains were minimal. A 240 rad for the cpu is overkill and fine (a 120 would be just about right), and the 240 rad for the 6950's is just about right. Share this post Link to post Share on other sites More sharing options...
dario_92 Posted October 2, 2011 Posted October 2, 2011 (edited) I would recommend one kit with one 120 rad and an extra pump if needed. To have two loops with one res/pump will require a y-fitting after the pump and a y-fitting before the res. The pump fluid output is split to the cpu loop (block and rad) and the gpu (block and rad). On return to the res the two loops are joined together. Will the pump have adequate pressure to feed the system? The answer would require the pump head pressure minus each components pressure drop. head pressure >= cpu blk pressure drop + rad pressure drop + gpu pressure drop + hose/fitting pressure drop. Not every manufacturer publishes this info. As more pressure is used in the loop the flow rate of fluid will decrease. High speed fans could compensate for the effect if it is great enough, or an additional pump in one of the loops will boost the system pressure. With a psi gauge the pressure could be measured. The loop will need to be tested for leaks, so this would be a great time to measure the pressure in the system. The pump will have spec info that states the head pressure in foot pounds and the litre/hour flow rate. The final system flow rate could be determined by the formula; system pressure in psi / pump pressure in psi * pump litre/hour flow rate. From research I found ~1.5 l/min to be an optimum flow rate (from a cpu block test). After that flow amount the cooling gains were minimal. A 240 rad for the cpu is overkill and fine (a 120 would be just about right), and the 240 rad for the 6950's is just about right. So basically all i need is a 120mm Rad for cpu and a 240mm Rad for gpu's ? Edited October 2, 2011 by dario_92 Share this post Link to post Share on other sites More sharing options...
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