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Tempted to go water! How good is the Rasa 750?

post #1 of 16
Thread Starter 
After the awesome success I have been having with my CM Hyper N520 (which isn't even that great of a cooler, to be honest) on my 1045T, I sort just want to push it even further. I am able to have my 1045t stable at 4.20GHz while pushing 1.45v through it. However, at that voltage my temps sometimes reach 57-58ish degrees, which is higher than the recommended 55C at full load for AMD processors, so I have it downclocked to 4.0GHz.

I have heard a lot of hype about the XSPC Rasa 750 kit here on OCN and how it's a good performer for the money. I was considering an H100, but honestly I want something more "hands on." So now that I have told you what I have in mind, I do have a few questions:

-Is the XSPC Rasa 750 really worth it for the price?
-I have never watercooled before, so how much maintenance is involved? Do I have to flush out the system every X months? What does general maintenance entail?
-Will I need to mod my Fractal Design Arc Midi in any way to make this kit stay up (I.E. mounting the reservoir/pump)?
-What tools are needed in order to install this kit?
-If the XSPC Rasa 750 is not a good enough kit, what would be recommended for less than $150?

Thanks in advance for the help :-P
    
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post #2 of 16
I've heard many good things about it. I plan on getting an rx360 extreme kit myself.

Head on over to the xspc rasa official thread in the water cooling section. It will be able to answer most of your questions.

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post #3 of 16
Thread Starter 
Hey thanks for the response. I didn't realize there was a thread, but after you informed me I made a post in there smile.gif Hopefully I hear good things about it!
    
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post #4 of 16
It is a good start, but letting you know water cooling loops are an obsession. you would start with X amounts spent into X items and somehow god aweful most folk tend to go off and buy/add more parts. Perhaps in the future you might want to cool both CPU and GPU in the same loop.

-Flushing loops is luck, some folks have been able to run a year with the same water still flowing through a year ago. Others must flush every 3-6 months due to gunk buildup and so on.

-If you can add a bit of money it is better to go with the RX240/RX360 package They are much better for cooling and are easier to resell ( the radiator)

-the case seems like it will fit a 240 at the top quite easily but anything 360-480 radiator will need excessive modding.

-A screw driver is needed, most everything else is provided when you purchase the kit.
post #5 of 16
Quote:
Originally Posted by Rainstar View Post

It is a good start, but letting you know water cooling loops are an obsession. you would start with X amounts spent into X items and somehow god aweful most folk tend to go off and buy/add more parts. Perhaps in the future you might want to cool both CPU and GPU in the same loop.
-Flushing loops is luck, some folks have been able to run a year with the same water still flowing through a year ago. Others must flush every 3-6 months due to gunk buildup and so on.
-If you can add a bit of money it is better to go with the RX240/RX360 package They are much better for cooling and are easier to resell ( the radiator)
-the case seems like it will fit a 240 at the top quite easily but anything 360-480 radiator will need excessive modding.
-A screw driver is needed, most everything else is provided when you purchase the kit.

Eh, it's not always an obsession, plenty of people (like myself) have no problems setting up a loop that meets their needs and leaving it alone. There's not really any luck to flushing loops, the people who have to flush every 3-6 months didn't plan their loop around low maintenance or got some kind of contaminant in it when setting things up. My Q9550 loops has been running for ~14-15 months with zero issues, just needing a top up for the first time last month.

As for the RS240 kit, it's a great buy for the price, you wouldn't be able to piece together something similar for anywhere near the same amount of money. It's going to perform a fair bit better than an H100, or any air cooler, and is definitely "real" water cooling. If you can fit an RX240 kit, it's even better, but the RS240 is by no means a bad radiator. It's often recommended to swap the tubing for something nicer, I personally use Tygon Norprene, it's not exactly pretty but it's nice and low maintenance, plasticiser-free, and it's incredibly easy to work with. Other than that, a screwdriver and some distilled water is all you'll need. The pump and reservoir mount in pretty much any case with 2 5.25" bays to spare, and the radiator shouldn't require any mods either.
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post #6 of 16
Quote:
Originally Posted by bakageta View Post

Eh, it's not always an obsession, plenty of people (like myself) have no problems setting up a loop that meets their needs and leaving it alone. There's not really any luck to flushing loops, the people who have to flush every 3-6 months didn't plan their loop around low maintenance or got some kind of contaminant in it when setting things up. My Q9550 loops has been running for ~14-15 months with zero issues, just needing a top up for the first time last month.
As for the RS240 kit, it's a great buy for the price, you wouldn't be able to piece together something similar for anywhere near the same amount of money. It's going to perform a fair bit better than an H100, or any air cooler, and is definitely "real" water cooling. If you can fit an RX240 kit, it's even better, but the RS240 is by no means a bad radiator. It's often recommended to swap the tubing for something nicer, I personally use Tygon Norprene, it's not exactly pretty but it's nice and low maintenance, plasticiser-free, and it's incredibly easy to work with. Other than that, a screwdriver and some distilled water is all you'll need. The pump and reservoir mount in pretty much any case with 2 5.25" bays to spare, and the radiator shouldn't require any mods either.

When do you know you have to reflush?
post #7 of 16
Thread Starter 
Thanks for the responses guys smile.gif I really don't have much of a budget to work with, so I'm glad this kit seems to be a good performer. I don't really plan on upgrading because, well, I can't afford it! But I can definitely understand why it would be something people spends lots of money on! I also don't plan to resell, so if I purchase I'll probably end up keeping it for awhile.

It's good to know that maintenance won't be too much of a hassle, but I am a bit worried about mounting the pump/reservoir! Bakageta, you said I need two 5.25" bays free? I only have one frown.gif But I did take out one HDD cage, so I have a nice big gap in my case. Here are some pics:

450

700

I have no idea how these things mount, so does it look feasible that I could mount the reservoir/pump in that empty space without much modding? Thanks for the help guys, I am getting really excited about this!
    
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post #8 of 16
Quote:
Originally Posted by karmuhhhh View Post

Thanks for the responses guys smile.gif I really don't have much of a budget to work with, so I'm glad this kit seems to be a good performer. I don't really plan on upgrading because, well, I can't afford it! But I can definitely understand why it would be something people spends lots of money on! I also don't plan to resell, so if I purchase I'll probably end up keeping it for awhile.
It's good to know that maintenance won't be too much of a hassle, but I am a bit worried about mounting the pump/reservoir! Bakageta, you said I need two 5.25" bays free? I only have one frown.gif But I did take out one HDD cage, so I have a nice big gap in my case. Here are some pics:

I have no idea how these things mount, so does it look feasible that I could mount the reservoir/pump in that empty space without much modding? Thanks for the help guys, I am getting really excited about this!

Yeah you will need 2 5.25 free :/ Unless you mount the pump/res where the fan is or something...
post #9 of 16
Quote:
Originally Posted by karmuhhhh View Post

It's good to know that maintenance won't be too much of a hassle, but I am a bit worried about mounting the pump/reservoir! Bakageta, you said I need two 5.25" bays free? I only have one frown.gif But I did take out one HDD cage, so I have a nice big gap in my case. Here are some pics:
I have no idea how these things mount, so does it look feasible that I could mount the reservoir/pump in that empty space without much modding? Thanks for the help guys, I am getting really excited about this!

That may be a problem... The pump/res is designed to mount into 2 5.25" bays, which means if you don't have 2 free, you'll need to fabricate some kind of bracket to mount it to. It shouldn't be particularly HARD, but it's not something that you can just drop in. Have you considered removing the DVD drive and making it external if you actually need it?
Quote:
Originally Posted by Klinkey View Post

When do you know you have to reflush?

I flush when I'm not feeling lazy, personally, which tends to be between 1 and 1.5 years, which has always been overkill in my experience... My last flush of the Q9550, the water was as crystal clear as the day it went in, and the block and res didn't have the slightest bit of anything in them. In my sig rig, I can only see the water in the res, but in my Q9550 I can see both the res and into the CPU block's plexi top, it's pretty clear if you have any kind of buildup. Without a buildup, there's really almost no reason to flush your loop.
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post #10 of 16
Thread Starter 
Hmmm, this is not good news. Does this mean I cannot watercool at all, or just this kit? If I were to save up some more money over the months, do they make watercooling kits/parts that allow me to use just one free 5.25" bay?
    
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