Watercooled Antec 300

Key features

Intel CPU AMD Graphics Custom Paint Job Water-cooled

The build

Bitspower (fittings, rotarys etc); Feser Blue Tubing; Swiftech MCR-220; Swiftech MCR-220 Stack; Swiftech MCW-60; DDC 3.2 + Petras Top; EK 150 Res; **Please give feedback if you don't like it, and particulary what you don't like so I can make it even better**

System specs

CPU
(unlisted)
Motherboard
Asus P45 Pro
RAM
Corsair 4 GB Dominator DDR2
GPU
ATI Radeon HD 4870
Storage
WD VelociRaptor 300 GB HDD + Samsung 500 GB HDD
PSU
Corsair HX520 W

Performed mods

Painted insides black
Holes in motherboard for easy cabling
Sleeved all wires
Dremeled the front to accomodate the radiators
Created a custom pump bracket (with vibration-less).

Links & contact

How visitors rated it

7.4 / 10 · Outstanding · 18 votes
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14 Comments on Watercooled Antec 300

#1
Zehnsucht
Hope you like it :)
**Please give feedback if you don't like it, and particulary what you don't like so I can make it even better**
Posted on Reply
#2
tzitzibp
nicely executed mods....

it seems you did excellent paint job and WC set up
I am not so sure about the position of the reservoir, but if it works for you... it works!

nice overall modded rig with great hardware! 8/10 as soon as I can vote...

btw chk my rig......HERE...
Posted on Reply
#4
kaosII
Looks great. Stacked rads in that case... how? You pulled it off 7 from me if you add a couple slow speed fans on the back and top I'll up ya a point. A she sits you got nothing pullung air out. Unless you are sucking out the front...........But still that back rad is going to negate any real cross flow. I don't know, what kind of fans are you using?
At any rate kudos for stuffing all that in there, and keeping it clean.
Posted on Reply
#5
denice25
looks nice! good job mate..
Posted on Reply
#6
Zehnsucht
kaosIILooks great. Stacked rads in that case... how? You pulled it off 7 from me if you add a couple slow speed fans on the back and top I'll up ya a point. A she sits you got nothing pullung air out. Unless you are sucking out the front...........But still that back rad is going to negate any real cross flow. I don't know, what kind of fans are you using?
At any rate kudos for stuffing all that in there, and keeping it clean.
Thanks, but I don't see the point in having more fans (=more noise). As of right now I'm running without the side, since I'm still undecided what to do with the side.

The radiators are drawing air from the front.

For those of you who have not seen the Swiftech stacked:

swiftnets.com/products/MCR220-QP.asp
Posted on Reply
#7
kaosII
ZehnsuchtThanks, but I don't see the point in having more fans (=more noise). As of right now I'm running without the side, since I'm still undecided what to do with the side.
The radiators are drawing air from the front.

All right you got an 8, just post more pics when you have finished up the side.
When it is all buttoned up what are your temps like?

I was tossing around the idea of hooking that rad up with my older qp 320.
Did you add on later or buy it all at once? If the former, what kind of pressure drop and flow rate hits did you take?
I am really quite impressed with this.
Posted on Reply
#8
Bjorn_Of_Iceland
I wouldve scored a Thermochill PA 120.2 instead though..
Posted on Reply
#9
Drizzt5
kaosIIThe radiators are drawing air from the front.

All right you got an 8, just post more pics when you have finished up the side.
When it is all buttoned up what are your temps like?

I was tossing around the idea of hooking that rad up with my older qp 320.
Did you add on later or buy it all at once? If the former, what kind of pressure drop and flow rate hits did you take?
I am really quite impressed with this.
I am also interested in that as well.
I wonder how much 2 effect performance...?

You got an 8 from me for stuffing a crap load of stuff in that case and keeping it clean.
Posted on Reply
#10
Zehnsucht
Bjorn_Of_IcelandI wouldve scored a Thermochill PA 120.2 instead though..
Yeah right... Try fitting a PA120.2 under there. It's almost 2cm longer.

Temperatures: (WCG load / WCG + Gaming)
At 900 RPM 23C/30C delta.
At 1300 RPM 20C/25C delta.
Fans are Scythe Ultra Kaze 2000.
(delta is rise in CPU temp over air intake) (idle = ?. I'm never idle.).

I always crunch, since it has such low priority in CPU so games and other tasks doesn't take any performance hits when running.
Posted on Reply
#11
Bjorn_Of_Iceland
ZehnsuchtYeah right... Try fitting a PA120.2 under there. It's almost 2cm longer.

Temperatures: (WCG load / WCG + Gaming)
At 900 RPM 23C/30C delta.
At 1300 RPM 20C/25C delta.
Fans are Scythe Ultra Kaze 2000.
(delta is rise in CPU temp over air intake) (idle = ?. I'm never idle.).

I always crunch, since it has such low priority in CPU so games and other tasks doesn't take any performance hits when running.
Yeah well I didnt look at your bottom's current length. Thought they would still fit. Cuz of crunching is your primary thing, It would greatly benefit to score high performing rads. The 20C/25C delta you posted wouldve greatly be appreciated if you posted pics of your temp monitoring run.

In any case, sweet setup. Love the tube routing, rad placement, and the fittings. lol bitspower they cost a lot.
Posted on Reply
#12
Zehnsucht
Bjorn_Of_IcelandYeah well I didnt look at your bottom's current length. Thought they would still fit. Cuz of crunching is your primary thing, It would greatly benefit to score high performing rads. The 20C/25C delta you posted wouldve greatly be appreciated if you posted pics of your temp monitoring run.

In any case, sweet setup. Love the tube routing, rad placement, and the fittings. lol bitspower they cost a lot.
No, trust me, a PA does not fit. I added some more pictures in the gallery...

Here's a temp run:
Posted on Reply
#13
phanbuey
nice... i had the stacked rads for my setup but the fans you need for those to work are insane. Performance actually dropped with the 2 stacked and decent quiet fans... i love hos clean the case is. What did you use to cut out the HDD bays?
Posted on Reply
#14
Zehnsucht
phanbueynice... i had the stacked rads for my setup but the fans you need for those to work are insane. Performance actually dropped with the 2 stacked and decent quiet fans... i love hos clean the case is. What did you use to cut out the HDD bays?
Yeah, stacked rads have questionable gains. I bought them as soon as they came out just because of this build.
The HDD bays were riveted, so I just drilled them out. In fact, I drilled out all rivets for easier access/modding and painting. And then used black rivets to put it together again.
Posted on Reply
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Nov 12th, 2026 00:06 CST change timezone

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