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Gallery 800D Watercooled Build - Poseidon


Mar 21, 2011
Hey all,

Thought I would finally share my watercooled build with everyone now that it is essentially done. This is my first time watercooling. I still plan on doing some cable sleeving as well as OC'ing the CPU/GPU's a bit more but other than that i am happy with the way it turned out.

MB : Gigabyte X58A-UD5 ATX LGA1366 X58
CPU: Intel Core i7 930 Quad Core Processor LGA1366
(OC 4.00 GHZ d Vcore 1.2V) - Stable
RAM : G.SKILL F3-12800CL6T-6GBPI Pi Series 6GB 3X2GB DDR3-1600 CL6-8-6-20
Case : Corsair Obsidian Series 800D Full Tower Case EATX
PSU : Corsair Professional Series Gold AX850
GPU : 2x MSI GTX 465 Twin Frozr II GE Fermi 607MHZ 1280MB 320-BIT GDDR5 (Flashed to 470) - Stock
HD: OCZ Vertex 2 Sandforce 40GB

CPU: EK Water Block EK-SUPREME Hf Acetal
GPU: 2x EK Water Blocks EK-FC470 Nickel Plated Full Cover
Pump: Swiftech MCP655 12V 1/2IN Barbs with EK-D5 X-Top Ver 2
Radiator: Swiftech MCR320 Triple 120MM
Swiftech MCR220 Dual 120MM
Fans : 2x GELID Wing 12 1500RPM 120MM UV Blue 64.3CFM 25DBA
6x Scythe Gentle Typhoon 120MM 1850RPM 28DBA 58.3CFM
Tubing: Primochill Primoflex Pro LRT UV Blue 3/8IN ID 5/8IN OD Tubing (10 Feet)

Fittings :
11x Bitspower BP-45R Rotary 45 Degree G1/4 -SILVER SHINING- (Single)
4x Bitspower -TRUE SILVER- G1/4 Compression Fitting for 3/8IN ID Silver Plated
8x Bitspower BP-CPF-CC3 G1/4 to 3/8IN Compression Fittings -SILVER SHINING-
1x Koolance VL3N-M10-16S Quick Disconnect -MALE- 3/8IN ID 5/8IN OD
1x Koolance VL3N-F10-16S Quick Disconnect -FEMALE- 3/8IN ID 5/8IN OD
2x Bitspower Black Sparkle Single G1/4 Swivel Angled 90 G1/4

And a little help from Daz
1 x SLI VID Connector - G 1/4 - 1/2/3 Slot - Silver
1 x Black Sunbeam Rheobus Extreme Fan Controller 30W x 6 channels
1 x FrozenQ Fusion Reservoir Rev.6 UV Blue - 250mm

I don’t have a build log but I could go into a lot of detail in regards to how I selected my parts and how the build went if you have any questions. I am a long time watercooling lurker at these forums, NCIX, and xtreme systems. The only modding I had to do was the bottom of the 800D in order to accommodate the 240 RAD.

Current Temps
CPU (34C IDLE – 46C Gaming – 56C Prime95 - 61C LINX)
GPU (34C IDLE – 42C Gaming – 44C 3D Mark - 44C Heaven)
Avg Ambient – 21C

References I used
Best PC Water Cooling Store, Reviews and Tutorials in Canada
Water Cooling - Hardware Canucks
Liquid Cooling - XtremeSystems Forums
Skinnee Labs | Taking the guess work out of PC Cooling

Comments? Questions? Anything you think i could improve upon? Thanks!



Well-known member
Mar 27, 2009
This is uber build.

One tip. I assume you have BP yellow mesh on the top. Take it off and check your temps. I got 2c down when I removed mesh from my fans.


Mar 21, 2011
Hey Daz. Thanks for the kind words.

I didn't end up putting in the BP yellow mesh. I was originally going to put it on the bottom underneath the MCR 220 RAD but 1) it was the wrong size, and 2) I didn't need it since i ended up just doing a pull configuration for that one.

The top MCR 320 RAD just has the stock 800D grill on top. I thought about changing it to make temps a bit better but didn't want to mod the case anymore than i had too.

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