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Whats best 6990 waterblock out of the 3

post #1 of 7
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I am currently in need of 2x 6990 water blocks these are the ones i can get my hands on. which ones do you guys rate the best

EK Full Cover VGA Block EK-FC6990 Acetal
http://www.pccasegear.com/index.php?...ducts_id=17974

EK Full Cover VGA Block EK-FC6990 Acetal+EN Nickel
http://www.pccasegear.com/index.php?...ducts_id=18690

Koolance VID-AR699 Reference HD 6990 VGA Cooler
http://www.pccasegear.com/index.php?...ducts_id=18075
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post #2 of 7
I recommend getting the Koolance.
EK has been in deep waters lately with all the flaking and corrosion going on with their Nickel products. Even with their new revised EN, there has been reports of flaking still present.
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CPU: AC Cuplex Kryos HF Radiator: XSPC GTX 480 GPU:2xSwiftech Epsilon 6990 8x Scythe Gentle Typhoon AP-15 
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Windows 7 64 bit Home Premium 3x28" Hanns-OhGee (5760x1200)Eyefinity 42" (1920x1080) 120Hz LCD TV Xarmor U9BL-S 
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post #3 of 7
i would think the EK Acetal+nickel would be the better block, but only by 1-2*C, the Koolance block looks nice but i dont like the design having separate blocks for the GPU's and VRM's.
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post #4 of 7
Quote:
Originally Posted by Nexus6 View Post
I recommend getting the Koolance.
EK has been in deep waters lately with all the flaking and corrosion going on with their Nickel products. Even with their new revised EN, there has been reports of flaking still present.
0_o really? ive got a heap of EK parts that are nickel coated and none of them are flaking. pulled my block apart 2 weeks ago and there is no sign of corrosion either, looked as shiny as the day i got it.
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post #5 of 7
EK-FC6990 Acetal+EN Nickel
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XSPC Dual 5.25" Bay Reservoir - w/ Alphacool VP... XSPC EX360 Triple 120mm Low Profile Split Fin R... XSPC EX360 Triple 120mm Low Profile Split Fin R... XSPC EX360 Triple 120mm Low Profile Split Fin R... 
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XSPC EX360 Triple 120mm Low Profile Split Fin R... EK ASUS Crosshair V Full Board Cooling Block Ki... EK Supreme HF Universal CPU Liquid Cooling Bloc... 
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post #6 of 7
Mostly all blocks perform very similar. Its really the looks and accessories available for it that become the deciding factor. Each one should perform very close. I've have great temps with HK blocks too besides ek (only thermal performance, I did have flaking/pealing old nickel blocks from them).

If you are going with ek nickel blocks, avoid using biocides with copper sulfate and silver strips/coils (per their warning).
post #7 of 7
I'd buy the one that matches your CPU block so it's nice and pretty
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The 2600k
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