[Unhooked]

Hey guys.

I am in need of some advice. I have about 70mm Clearance on the Phantek Enthoo Primo case on the top before it starts messing with the motherboard. There is additional space for the top fans so top fans are a non issue.

So I was wondering if anyone can tell me if I should go with XT45 with push pull setup of UT60 with push only setup. Both are 480mm rads.

Thanks

 

[Juggalo23451]

I would go with the UT60

 

[JackNaylorPE]

The UT60 480 gives you 251 watts of cooling with one fan, 303 w/ 2 fans (Phanteks SP-140s assumed at 1250 rpm)
The XT45 480 gives you 245 watts of cooling with one fan, 296 w/ two fans (Phanteks SP-140s assumed at 1250 rpm)

This is for the 360s but you can see there is very little difference in cooling between the XT45 and the UT60.
http://martinsliquidlab.org/2012/04/12/alphacool-nexxxos-ut60-360-radiator/4/

I have a UT60-280 on the bottom and an XT45-420 both in push / pull in my Enthoo. The 420 (302) provides slightly more cooling than the 480 (296) and leaves a nice access to the top ports of the rad thru the roof of the case.

Check post # 100 for all the Enthoo case dimensions .... there's extensive Rad discussions there also around page 56-58 with a spreadsheet of all the Alphacool radiator capacities.
http://www.overclock.net/t/1418637/phanteks-enthoo-primo-owners-club/990

Lots of picture too showing how the various rads fit.

Now depending on the motherboard, it might fit....depends less on the RAM height than it does with the MoBo heat sinks and in my case the MPCIE thingie. I think a UT60 might fit in there if ya use a 480 as you can slide in from the front. A 420 has to be installed from the side and you wouldn't be able to rotate it into position. Again, I didn't explore it further as the 420 had too many advantages over the 480 for me .... more cooling, convenient fill / air bleed port and $25 cheaper

 

[Unhooked]

140mm is probably out of the question for me since I already have like 5 120mm TFC 122 fans and 6 120mm Corsair High SP fans. I do want use them.

I also have a TFC Xchanger 480mm which is 60mm as well.

So the biggest question is if push/pull really pose significant temp advantage over push only.

Currently I was planning on the XT45 in push pull on top with the Corsair fans. And bottom the TFC 122s with the Xchanger and some additional 120mm in push pull.

But then I saw some deals on the UT60 which led me to creating this thread.

also the mobo in question is a Sabertooth X79 which has plastic shroud over the I/O portion of the mobo.

 

[hiarc]

Quote:

Originally Posted by Unhooked

So the biggest question is if push/pull really pose significant temp advantage over push only.

You can expect up to 30% more cooling performance. If possible, it is always worth to go push/pull on any radiators because for one air is moving faster through the radiator allowing better heat dissipation, however you also have the option of running them slower while still allowing the same amount of air as just push or pull. Simply put, if budget allows and you prefer quietness or as much performance as possible at a given RPM then it is a good reason to do so, otherwise if you rather just push you should still be perfectly fine given some tolerance. For certain I cannot tell you what the difference in temperatures will be as I do not know what you are cooling. Quick explanation, if you are running overkill cooling then you benefit less as you already have more than enough cooling obviously; however given the opposite you are allowed more flexibility with less (one example being limited in the amount of radiators placed inside the case, if you want them all mounted inside).

 

[Unhooked]

Hmm so looks like one UT60 with push only just might be on par or pretty close to push pull XT45.

I'll just get whatever is cheaper. Also while going the XT45 may be cheaper, I would need to buy some additional fans.

Thanks guys

 

[JackNaylorPE]

Quote:

Originally Posted by Unhooked

140mm is probably out of the question for me since I already have like 5 120mm TFC 122 fans and 6 120mm Corsair High SP fans. I do want use them.

I also have a TFC Xchanger 480mm which is 60mm as well.

So the biggest question is if push/pull really pose significant temp advantage over push only.

Currently I was planning on the XT45 in push pull on top with the Corsair fans. And bottom the TFC 122s with the Xchanger and some additional 120mm in push pull.

But then I saw some deals on the UT60 which led me to creating this thread.

also the mobo in question is a Sabertooth X79 which has plastic shroud over the I/O portion of the mobo.

Looking at Martins site, push / pull in his test gave 21% better result

r results..... the different rad thickness..... 2-5% maybe depending on rpm.

He also writes:
Quote:

Just like doubling up with a pump, there is a pressure benefit to doubling up on fans and this translates to about a 20-30% performance gain. The added fan pressure simply means and added gain in air flow and corresponding performance.

 

[JackNaylorPE]

Quote:

Originally Posted by Unhooked

Hmm so looks like one UT60 with push only just might be on par or pretty close to push pull XT45.

I'll just get whatever is cheaper. Also while going the XT45 may be cheaper, I would need to buy some additional fans.

Thanks guys

To put it in perspective, the difference (45 watts) or XT45s advantage is equal to about 1/3 of Haswell heat output at a 4.8 Ghz overclock.

 

[Unhooked]

Question where did find the 420 to be cheaper than the 480 by $25

Looking at the SR1 - 420 seems to be a decent.

 

[JackNaylorPE]

XT45-480 - $105
http://www.frozencpu.com/products/14988/ex-rad-342/Alphacool_NexXxoS_XT45_Full_Copper_Quad_120mm_Radiator.html?tl=c95s570b42

UT60-480 - $130
http://www.frozencpu.com/products/14987/ex-rad-341/Alphacool_NexXxoS_UT60_Full_Copper_Quad_120mm_Radiator.html?tl=c95s570b42

XT45-420 - $85 ($20 cheaper, say $50 cheaper w/o the 2 extra fans)
http://www.frozencpu.com/products/16830/ex-rad-431/Alphacool_NexXxoS_XT45_Full_Copper_Triple_140mm_Radiator.html?tl=c95s931b42

UT60-420 - $105 ($25 cheaper, say $55 cheaper w/o the 2 extra fans)
http://www.frozencpu.com/products/16826/ex-rad-427/Alphacool_NexXxoS_UT60_Full_Copper_Triple_140mm_Radiator.html?tl=c95s931b42

SR1 review is here ... finishes 6th
http://martinsliquidlab.org/2012/04/08/hardware-labs-sr1-360/4/

 

[Unhooked]

Thanks looks like the XT45 420 might indeed be the way to go.

What are your thoughts on the case fans to be used on the rads

 

[JackNaylorPE]

XT45-420 Installed in Enthoo Primo w/ fill and air bleed ports ... that slides the rad foreward about 15mm than it could be



After I took the pic, I put these in

Bitspower G 1/4" Thread Fitting Extender - Matte Black (BP-MBWP-C40)http://www.frozencpu.com/products/10371/ex-tub-618/Bitspower_G_14_Thread_Fitting_Extender_-_Matte_Black_BP-MBWP-C40.html?tl=c101s1354b145#optionsex-tub-700

Bitspower G1/4" Low Profile Matte Black Stop Plug w/ O-Ring (BP-MBWP-C09)http://www.frozencpu.com/products/10362/ex-tub-610/Bitspower_G14_Low_Profile_Matte_Black_Stop_Plug_w_O-Ring_BP-MBWP-C09.htmlex-tub-610

Though if I had it to do over again, I'd use these instead of the C40 extender

http://www.frozencpu.com/products/12338/ex-tub-775/Bitspower_G14_Male_to_Female_Extender_-_25mm_-_Matte_Black_BP-MBWP-C62.html?tl=c101s1354b145

NOTE: Use the 30mm screws .... you only get 12 but you can buy more M3-0.5 x 30mm socket head ...Ace Hardware carries em here in US for almost a buck each or can get 100 from Amazon.... not copper plated tho like what comes in the box.

http://www.amazon.com/DrillSpot-M3-0-5-Plain-Socket-Screw/dp/B00G0SPJDE/ref=sr_1_21?s=hi&ie=UTF8&qid=1383885299&sr=1-21&keywords=m3+x+30mm+socket+head

Be aware that if using the SP140 fans from Phanteks .... the ones ya buy separately have anti vibration pads.....so the fans are 27mm thick.....the cover still fits tho.

 

[taem]

Quote:

Originally Posted by JackNaylorPE

XT45-420 Installed in Enthoo Primo w/ fill and air bleed ports ... that slides the rad foreward about 15mm than it could be

Thanks for that, hugely helpful. Think I might go with 420 on top rather than 480, so I can have those ports. Likewise I think I'll go 360 on bottom so I can have a drain port where the pump mount is. (Although -- if I do a 480 on bottom and remove the lower had cage, can I still have that drain port sticking out of the UT60s side hole toward the psu side of the case?)

But question: how helpful is it to have those fill/bleed ports on top versus an alternative method? This isn't something you do very often right?