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Item#: N82E16835103026

COOLER MASTER GeminII RR-CCH-ANU2-GP CPU+ Board Cooler

  • Copper Base / 6 Heatpipes / Aluminum Fin
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Cooler Master says that its RR-CCH-ANU2-GP "Gemini" is more than a CPU cooler, it's a "complete system cooler." A large beast by any measure, it features 6 copper heatpipes, more fins than a fish market and enough room to mount a pair of 120mm cooling fans. A selection of mounting components allow the user to obtain the optimal installation of the cooler's copper base against the AMD or Intel processor.

While Cooler Master stresses that fans are optional, nearly any thickness of 120mm fan can be added for additional cooling. This allows further customization according to the user's and system’s needs. Use a pair of ultra-quiet fans for silent operations, or high output fans can be used to get faster, stable performance out of an overclocked CPU. Or, position a silent fan can be placed over the memory, while a high output fan cools the processor. The choice is up to you!

  • newegg Superior Heat Dissipation The extra-large copper base and 6 copper heatpipes, coupled with high-density aluminum fins, maximize heat dissipation for the CPU and its surrounding components. The unit also provides an option to add two additional 120mm fan for the best possible cooling performance!
  • newegg Universal Socket Compatibility The Cooler Master GeminII features broad compatibility with AMD socket 754, 939, 940, and AM2 platforms, as well as the Intel LGA 775 platform.

Learn more about the Cooler Master RR-CCH-ANU2-GP

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Customer Reviews of the Cooler Master RR-CCH-ANU2-GP

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  • Preston W.
  • 9/1/2008 1:54:51 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggs

Pros: can mount 2 120mm fans, cools memory as well as cpu, probably worth a mint at the recycling center lol ;)

Cons: BIG, HEAVY, CPU cooling is moderate and will work for small OC on a 9950.(I spiked at 67ºC running 3.0ghz at 1.4v 182W), Worked well with my Raidmax Smiladon case as the motherboard side hinged out (this one is a dream for working with btw) Had I not had this style case I would be forced to remove the cooler to swap out memory chips. Also if you have Ballistix tracers you won't be able to see the led's nearly as well as the HS and Fans mask them.

Other Thoughts: For the size and price one could do better and for the hotter cpu's you won't be able to push them to their limit.

For Asthetical value 2 120mm Blue led fans circulating 97cfm each Hightlighted by the blue leds on my post screen, Case, and sound card really looks cool.

Final thoughts works well enough and install isn't so bad if you have experience assembling PC's but I would choose different next time.

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  • Robert W.
  • 9/1/2008 3:20:38 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsnot bad

Pros: The cooler works well. When I had it installed my cpu temp never went above 50 even under a massive load.

Cons: Its huge. it hung well over my ram, which was nice for the extra cooling which is why it was designed that way, but I lost about 5 layers of skin on my knuckles trying to install the ram. I had to eventually upgrade to a motherboard that worked and sadly the cpu on the gigabyte m750sli motherboard is a bit closer to the ram than my asus m3a so I could not install the ram due to the heat pipe being in the way.

Other Thoughts: All in all a good cooler, I didn't want to give it a 5 because it was almost more trouble than it was worth when it was all said and done.
If you have a stable set up and wont have to add or take out ram or plug anything around it in, it will work wonders for your system. If you have a habit of upgrading or bad luck with parts and plugs, look for something that wont drive you insane.

1 out of 1 people found this review helpful. Did you? Yes No

  • Cory B.
  • 8/28/2008 9:42:52 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsCools OK without Fans

Pros: Despite what some others have said, this heat sink will cool OK without fans if there's decent air movement through the case. I built my system about a month ago with a Core 2 Duo and the stock cooler. I logged my CPU temperatures for several days (doing everything from idling to intense games) had had an average temp of 33 C and a max of 53 C. I switched to this cooler just because I'd already bought it and wanted to see how it did. I have since been averaging 31 C although the max shot up to 59 C while gaming. So it's just a little worse off than stock, but it can hold its own even without the fan. I'm sure it'll be much better as soon as I do add some fans.

Cons: This thing is truly a monster to install. It requires complete removal of the motherboard, and then when reconnecting everything it makes screws and power cables very hard to reach. I'm pretty mechanically inclined and it took me over an hour to do it all. It's not as physically big as I was expecting from other reviews (no problem at all to fit in the case), but it does tend to get in the way of the connections that must be made to the motherboard near the CPU.

Other Thoughts: My case is a CoolerMaster 690. I'm running only the 3 stock fans that came with the case, and none of the fans are positioned to blow directly on this heat sink. I'm not overclocking at the moment, except my factory-overclocked video card.

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  • Anonymous
  • 8/28/2008 4:45:18 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAmazing Product

Pros: I would have to say after switching from water cooling to this CPU cooler I'm impressed. My CPU temp used to run about 38C (idling) to 64C (Full load). This time around running The GeminII and a couple of Scythe "Ultra Kaze" (OVER KILL) I haven't see my temp hit anywhere above 47C. I can also say that it helps out my old gfx cards I'm running (2x 7800GTX not that they ever put of much heat.)

Cons: The noise. Its not much of a problem considering I'm using this comp for gaming. Everyone knows that if you're going to play you have to play with a headset so I really don't notice any sound even if my system volume is down to about 15%.

Other Thoughts: Be sure you know what you're doing when you go to install this bad boy. The total weight with the heat sinks came to about 2lbs 11oz. Not the lightest setup compared to a stock cooler

1 out of 1 people found this review helpful. Did you? Yes No

  • Billy L.
  • 8/26/2008 1:27:04 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsThis thing is a beast!

Pros: This monster dominates the inside of my case. Add 2 120mm fans and everything stays very nice and cool. My C2D E6550 OCd to 3 Ghz runs at 4 C above ambient room temperature when doing light tasks, and usually around 15 C above ambient when under full load under stress prime. Excellent cooler.

Cons: Can be a tricky installation, but if you're reading this, you most likely already know how to install an aftermarket HSF. Cable management can be a hassle with this thing installed in a midtower case. However with a bit of improvisation this problem can be eliminated. I routed my 12V CPU cable around the edge of the Fan bracket and tied it off with zip ties. Blends in quite nicely. Also you will have a difficult time removing or installing additional RAM with this cooler installed keep that in mind as well.

Other Thoughts: For the price this cooler rocks. Throw your stock intel or AMD HSF out the window and get this bad boy. I get complements all the time about how awesome my tower looks with this thing installed.

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  • Brice G.
  • 8/26/2008 4:09:26 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsTruly a beast

Pros: It is amazing, my temps went from 50*C to 35*C overclocking my E6600 from 2.4ghz to 3.24ghz and voltage set @1.45v. This thing can go two different ways, with the heat pipes on the top side covering your memory or face down covering the NB chipset, heat pipes on the right side, also disabling (covering) the first PCI slot. So if your first PCI slot is for your VGA you'll have to install covering your memory which will make it difficult to switch out RAM considering this thing requires to be bolted onto the Mobo so yes you will have to pull out your Mobo to install this.

Cons: It's HUGE, but dont worry, unless you have a small case. You'll need a mid tower to a full tower to acommodate. Also if you can find a four pin CPU fan for the mobo 4pin CPU fan connector you'll be allright unless you can get a 3pin to work. thats the only difficult thing about it.

Other Thoughts: I was sceptical about the size but it's only really big with 2X 120mm fans on it. :~)

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  • Anonymous
  • 8/25/2008 12:11:57 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsNice!

Pros: Cools my CPU decently. Looks cool! I'm happy with it.

Cons: It's huge! At first I wasn't sure if it would fit in my case but it did...takes awhile to install but well worth it!

Other Thoughts: Adding the 2 120mm fans makes it an awesome cooler.

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  • Brian H.
  • 8/23/2008 7:30:50 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsgreat heatsink

Pros: Believe it or not it wasn't quite as massive as i thought it'd be, and while it required me to dismount my motherboard, I'd planned ahead for it. I combined mine with a pair of AeroCool turbine 2000 120mm fans and it gave me what i was truly looking for, a really quiet heatsink. I replaced a z9700 with this and I couldn't be happier. tempuratures are compable, although one day it was about 65F in the room and I looked and discovered my 9850 quad core was idling at 24C which is just ridiclously low. it's about 37C at load depending on room tempurature. I've been looking for max cooling and silence and i finally have it, thanks to this thing. Aome of the quiet heatsinks for sale aren't bad, but they're not quit as quiet as they claim. The ability to choose your fans is the biggest plus with this thing.

Cons: There are cons. When i first installed it I was idling at around 37-41C. My case is designed for back to front cooling and this changed that. Once I made some slight modifications to the case (removed the lexon panel, replacing it with speaker grill, airflow was enough for me to see the ridiclously low temps above. I love it.

Other Thoughts: If you use this with the AeroCool turbine 2000 fans, you'll need a Y adapter cable and you'll also find that sometimes your cpu monitoring software alarms will go off, as it just doesn't like seeing fans spinning at less than a 1000 RPM

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  • William N.
  • 8/23/2008 9:01:47 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

3 out of 5 eggs

Pros: Cools great , looks great with 2 blue led fans installed.

Cons: Memory with tall heatspreaders will not fit unless you get your grinder out. Hate to repeat all the other reviews but if you have memory issues you will wear out the mobo screws taking this cooler off and on. (You can remove short memory without removing cooler)

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  • Bryan C.
  • 8/22/2008 9:37:49 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsaverage performance, HUGE size

Pros: Large size decent construction and price. Keeps my northbridge 10c cooler than normal.

Cons: it's huge, bottom of this unit had machine marks that had to be lapped out before this could even remotely be used. Thermal paste had dried out in the factory sealed coolermaster syringe, so I had to use some old arctic silver that was still good and gooey.
Biggest con.. 70c for 1.4v on a E8600 is way too hot. Idle is showing 45c.
current price plus a couple fans puts this in the high end realm that this unit simply cannot compete.

Other Thoughts: This has a back-plate that was not included in earlier models for the LGA775.
I was not impressed in all the extra work needed to fit this unit for average results. I even took everything off to make sure that I had a good coverage of thermal paste because these temps could not be right.

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Item#: N82E16835103026
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