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The Cooler Master RC-690-KKN1-GP is designed to keep your system cool, no matter how hard you work it. The top and front are made of a metal mesh to facilitate airflow. Three 120mm fans are installed at the factory, in the front, rear and side. There is room for four more, two on the top, and one each on the bottom and side. You can also add an 80mm fan to the back of the motherboard tray to cool the CPU from both sides.
Each of the five external bays has the same mesh cover and the 5.25" to 3.5" adapter is also. All of the bays have a tool-less design for easy installation. The removable hard drive racks are also tool-less and come with anti-vibration pads for decreased noise. Each of the expansion slots has its own lockdown lever to eliminate screws. Cable routing clips minimize clutter and increase airflow.
To keep the case’s design lines pure the two USB, one FireWire, one eSATA and two audio ports have been put on the top of the case. This also makes them easier to access if the case is beside your desk. The power and reset buttons have been mounted on the side of the front bezel for the same reason.
Pros: Oh wow, where to begin... Very roomy inside, and lots of places to put fans (even the stock fans that come with it cover the essential airflow points). The 120mm fans that come with it are quiet. All of the fan locations are drilled out to handle various fan sizes. The hard drive rack is nice. The cable ties are useful for a few of the wires in your case, but for the ones that are in the way, you can just unscrew them.
The power supply mounted on the bottom may seem like a bad idea... Until you realize there's a fan hole right under it. If you get a two-fan power supply, it will drag cold air out from the bottom of the case, and straight out the back. Virtually eliminating the power supply from the list of heat sources in the case! Very nice!
The construction of the case is very sturdy, and has a very nice finish. I barely cut myself removing the top cover. 1 cut during the whole build is pretty good I'd say.
eSATA connector on top accomodates motherboards without it.
Cons: I'm nitpicking at this point really. The power LED connector for this case's front panel was a 2pin, and I needed a 3pin. Not a terribly hard modification to make if you run into this problem.
No PC speaker? I'm not sure if this can even be considered a con though, since most motherboards have other means of reporting errors these days.
The top and front covers are a little hard to remove. Take them off once, get the work done, and don't put them back on until the end of the build and hopefully this will become a non-issue.
The top connection header wires are a bit long. It's probably bad to complain that any wire is 'too long,' since longer wires will accomodate all situations, but these things can reach about a foot outside the case from the header. Yikes.
Other Thoughts: I think a few people said it didn't come with any screws. It's funny, because I caught myself thinking the same thing. On the 5 1/4" drive bays they placed all the screws into the metal of the case. There are more than enough there to handle the mounting of your components. The case itself comes with 12 brass motherboard standoffs if you needed to know that as well.
Also, the 3 1/2" bay adapter for the floppy drive is great, just be sure to install it in the right orientation. Some users reported it sticking out an inch too far, and it's likely they put it on the adapter backwards. Looking at it again, it probably will stick out a bit if it is on the wrong way. Just examine the diagrams carefully and/or trial and error it otherwise.
374 out of 378 people found this review helpful.
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scrumdiddlyumptious
Reviewed By: Steven Segal on 11/20/2007
Tech Level: somewhat high - Ownership: 1 month to 1 year
This user purchased this item from Newegg
Pros: The quality of this case is exquisite, especially for the price. Plenty of space inside, and the amount of fan placements is fantastic.
Cons: Power button is the only thing that seems somewhat cheap on this case, but it has yet to fail me. The fans are a bit on the loud side as well.
Other Thoughts: The case was bigger than I had thought it would be, but that was my fault. I normally hate cases with lights on them, the fan light on the front was tastefully done.
77 out of 85 people found this review helpful.
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Tech Level: somewhat high - Ownership: 1 day to 1 week
This user purchased this item from Newegg
Pros: Good airflow. Dropped my temps by 10 C and that's with stock fans.
Cons: Side fan became very loud on second boot....flipped it so it takes out air..and my temps went up by 7C...i guess i have to sacrifice temperature over sound..
Other Thoughts: its big...need more fans...
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its huge
Reviewed By: toasty on 11/19/2009
Tech Level: high - Ownership: 1 week to 1 month
This user purchased this item from Newegg
Pros: lots of fans, stays really cool
Cons: it is gigantic, didnt know it would be THAT big
Other Thoughts: I like it though
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Amazing case
Reviewed By: dulisha on 11/19/2009
Tech Level: high - Ownership: 1 month to 1 year
Pros: Huge, Great Air Flow, screwless design, bottom mounted PSU.
Cons: Gets a bit dusty, but thats what u get with good airflow cases, cheap power and reset button mechanism.
Other Thoughts: Painted the inside black and the outside orange and let me tell you, it looks amazing !!
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Model
Brand
COOLER MASTER
Model
RC-690-KKN1-GP
Spec
Type
ATX Mid Tower
Color
Black
Case Material
SECC/ ABS
With Power Supply
No
Power Supply Mounted
Bottom
Motherboard Compatibility
ATX, m-ATX
With Side Panel Window
No
Expansion
External 5.25" Drive Bays
5
External 3.5" Drive Bays
1 (5.25" to 3.5")
Internal 3.5" Drive Bays
5
Expansion Slots
7
Front Ports
Front Ports
USB, Audio, IEEE 1394. e-SATA
Cooling System
80mm Fans
No
120mm Fans
1 x 120mm Blue LED front fan 1 x 120mm rear fan 1 x 120mm side fan
Side Air duct
No
Physical Spec
Dimensions(L x W x H)
20.65" x 8.39" x 18.98"
Weight
22 lbs.
Features
Features
Accommodates up to seven 120 mm fans for high-efficiency ventilation Removable HDD racks provide for easy assembly Cable management design for better cable routing and neatness Tool-free user-friendliness for quick maintenance and upgrade Roomy interior supports NVIDIA G80 SLI configuration
Introduction
The Cooler Master RC-690-KKN1-GP is designed to keep your system cool, no matter how hard you work it. The top and front are made of a metal mesh to facilitate airflow. Three 120mm fans are installed at the factory, in the front, rear and side. There is room for four more, two on the top, and one each on the bottom and side. You can also add an 80mm fan to the back of the motherboard tray to cool the CPU from both sides.
Each of the five external bays has the same mesh cover and the 5.25" to 3.5" adapter is also. All of the bays have a tool-less design for easy installation. The removable hard drive racks are also tool-less and come with anti-vibration pads for decreased noise. Each of the expansion slots has its own lockdown lever to eliminate screws. Cable routing clips minimize clutter and increase airflow.
To keep the case’s design lines pure the two USB, one FireWire, one eSATA and two audio ports have been put on the top of the case. This also makes them easier to access if the case is beside your desk. The power and reset buttons have been mounted on the side of the front bezel for the same reason.
Highlights
Superior Expandability with 10 Drive Bays Boasting five external 5.25" drive bays and five internal 3.5" drive bays, the Cooler Master CM 690 provides superior expandability. With the included 5.25"-to-3.5" converter, easily mount an external 3.5" device on the chassis.
Excellent Cooling System The Cooler Master CM 690 features three 120mm fans (front, rear and side), as well as front and top mesh panels for maximum airflow and enhanced heat dissipation. The chassis also supports mounting of three additional 120mm fans for the ultimate cooling performance.
Tool Free Installation The tool-free design ensures quick installation or upgrade for expansion cards, 5.25" and 3.5" devices, so you can save the time spent on setting up and start enjoying computing as soon as possible.
Convenient Top I/O Panel The Cooler Master CM 690 features a convenient top I/O panel for easy access to two USB 2.0 ports, one IEEE 1394a port, one eSATA port and two audio ports.
NVIDIA SLI Ready The NVIDIA SLI-ready Cooler Master CM 690 provides sufficient interior space and effective cooling for building up a high-performance dual graphics card system.
Reviewed By: Michael on 12/17/2007
Tech Level: high - Ownership: 1 week to 1 month
