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ZALMAN CNPS7700-ALCU 120mm 2 Ball CPU Cooling Fan

  • 1000 - 2000 ±10% RPM
  • Aluminum & Copper
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Zalman bills itself as the "quiet cooling solution" and they have a reputation for easy to use, reliable products. They also have a reputation for creating products that look as good as they run. With the CNPS 7700 AlCu, "bigger is better." A quiet, downward blowing 120mm ball bearing fan sits at the heart of a radial array of aluminum and copper convection fins.

While the fan runs at a low 32 dBA in its normal 2000 RPM setting, its Silent Mode drops it nearly 50% to 20 dBA as well as eliminating vibration. With its unrestricted flow, it cools not only the CPU, but the RAM, VGA card, Northbridge and other components. The included FAN MATE controller lets you choose in which mode the fan operates.

Heat is drawn away from the CPU by the pure copper base of the heatsink and it is transferred up into the twin semi-circular arrays of aluminum and copper fins for dissipation. The 7700 AlCu is only 2/3's the weight of the pure copper model. Both Intel Socket 775 and 478 Pentium 4 chips are supported by the 7700 AlCu. It is also compatible with AMD 64 processors using 754, 939 and 940 sockets.

  • newegg Excellent Cooling Performance The extra-large base made of pure copper and aluminum conducts heat fast, plus a large 120mm dual-ball bearing fan for premium heat dissipation of the CPU and other components.
  • newegg Adjustable Fan Speed The ZALMAN CNPS7700-ALCU comes with a fan speed controller (Fan Mate 2) so you can fine tune the fan speeds for the optimum balance between cooling performance and noise level.

Learn more about the Zalman Tech Co., Ltd CNPS7700-ALCU

Model

Brand
ZALMAN
Model
CNPS7700-ALCU

Spec

Type
Fan & Heatsinks
Fan Size
120mm
Compatibility
Intel Pentium 4 (Socket 775), Intel Pentium 4 (Socket 478), and AMD64 (Socket 754/939/940)
compatible design for broad compatibility.
Bearing Type
2 Ball
RPM
1000 - 2000 ±10% RPM
Noise Level
20 - 32 ±10% dBA
Power Connector
3 Pin
Color
2-Tone
Heatsink Material
Aluminum & Copper

Physical Spec

Heatsink Dimensions
136 x 136 x 67mm
Weight
600g

Features

Features
Does not generate noise or vibration in Silent Mode.
Pure Copper and Pure Aluminum base material ensures excellent heat dissipation.
The large 120mm fan inside the FHS maximizes cooling performance by providing sufficient airflow even at slow rotation speeds.
The large 120mm fan provides air flow over a large area, cooling not only the CPU, but the VGA card, Northbridge, FET, and RAM.
The adjustable fan speed controller (FAN MATE 2) enables control of noise and fan performance.

Package Contents

Package Contents
CPU Cooling Fan
Thermal Grease
Fan Speed Controller
User Manual
Clips
Backplate

Manufacturer Warranty

Parts
30 days limited

Quick Info

Warranty

  • Limited Warranty period (parts): 30 days
  • Limited Warranty period (labor): 0 day


Customer Reviews of the Zalman Tech Co., Ltd CNPS7700-ALCU

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  • Ryan D.
  • 12/21/2009 5:17:51 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsExcellent, exactly as expected

Pros: Works as intended , huge upgrade from stock, matched this with arctic 5 grease and my comp is running 26 degrees idle as compared to 37 stock. I am satisfied.

Cons: It says its max rpm is 2000 not a huge con but maxed out with the fan controller I'm only able to get 1350-1385rpm and thats way more then a +/- 10% difference. Either way not really a con at all because it cools extremely efficiently and is dead quiet in silent mode.

Other Thoughts: I think I bought the last one in stock =P, first review posted...ever

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

  • Michael D.
  • 10/27/2009 5:38:34 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorthy upgrade

Pros: Much quieter than stock cooler. Vastly improved cooling capacity over stock. With a mild overclock you can leave the fanspeed at it's minimum, but if you're trying to push your dual core to the max this fan/cooler has got you covered.

Cons: Not sufficient for aggressive quad core overclocks, but it wasn't designed to be.

Other Thoughts: I have used quite a few of these in recent builds and all run flawlessly. Huge improvement over stock. Sure, you can save $10-15 and go with a generic cooler, but zalman quality is proven and worth the few extra dollars.

Did you find this review helpful? Yes No

  • christopher b.
  • 9/12/2009 12:03:04 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsdoesn't fit my socket 940

Pros: huge nice fan!

Cons: Wouldn't fit my socket 940 tried to rid a heatsink clip from another heatsink on wasn't tight enough.The motherboard back blate was 2 screw hookup for the fan, motherboard was 4 didnt work

Other Thoughts: If it will fit buy it.

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

  • Anthony Z.
  • 9/4/2009 8:50:19 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsehh....

Pros: SILENT when used properly, cool look, comes with pieces for various boards and even a little tiny bit of thermal grease

Cons: ya people arent kidding when they say this thing is absolutely MONSTROUS.... employed by the goverment to stop Germany in WW2.... powerful but will not work with lower grade systems... even though its compatible with the 939 amd sockets, this is made for intel PC's installation was HORRIBLE, far from easy... given im not great with thermal paste but regardless... not fun to deal with, DEFINITLY not easy installation

Other Thoughts: ordered it for my AM2 motherboard.... silly me didnt fit, luckily i was building an old hp for a friend and needed the heatsink so i gave the old pc the new heatsink... pretty upsetting... but it works although i cannot use the fans power controller because the 300watt power supply on the older PC is not strong enough to divert power through cords so the power has to be hooked directly from heatsink to motherboard... i dont know if this is my comp or shotty manufacturing. THING IS ENORMOUS PLEASE TAKE WARNING . so big . Heavy as well. still upset i cant run it on my AM2... my 3.3 quad core gets hot as hell

Did you find this review helpful? Yes No

  • Michael B.
  • 6/15/2009 3:25:16 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsAmazing fan

Pros: This fan really gets the job done. My Intel Pentium D OC'd to 4.26 ghz idles around 29C, and never exceeds 50C under load (Load being Crysis at max settings).

It comes with a manual speed adjuster, but you dont really need it. Just plug it into mobo and its fine.

Cons: Very big and heavy. It requires a back mounting bracket on the bottom of the mobo, as well as a top mounter, and several screws.

This isnt really a big deal considering it really needs the mounts to work. Boy does it work. It might be a small pain to install but its WORTH IT.

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

  • Neil S.
  • 5/8/2009 4:11:56 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat CPU cooler; big

Pros: This thing works great. Cools well and is nearly silent on high. It comes with a analog speed control knob which you can use double-sided tape (included) and put on the outside of your case. You don't have to, but you can. I did and it is truly silent on low or mid. If you concentrate, you can hear it on high, but barely.

Cons: It is big. I had to bend a few of the spokes just a tad against the PSU to get it to fit. But since it did fit, I'm not complaining.

Other Thoughts: I have an intake fan in the front, a output fan in the rear and of course one hooked up to the power supply, and this one. My PC is very quiet even with 4 fans.

This was my first build from "scratch", and I couldn't be happier.

Did you find this review helpful? Yes No

  • Justin C.
  • 3/21/2009 7:00:50 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsStill running strong.

Pros: Amazing cooling power, VERY quiet even at Max RPM.

Cons: none

Other Thoughts: I've owned my Zalman "Bowl" Fan for 4-5 years now and it's still running very well. The bearing are starting to wear as at max setting on the variable dial is about 1755 RPM, but it still keep the CPU cool. But it is STILL very quiet.

Be wary of the fins when installing/removing from your mobo as they do tend to bend easily, but the will bend right back with no hassle.

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

  • Chia-Hung L.
  • 2/14/2009 6:40:30 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood Fan

Pros: This is a very good fan.

Cons: When I install it into my Full tower case. The Fan is a little too big. It touch the top. So I have to bend the fan.

Other Thoughts: if you have a mid tower case, you should choice another fan.

Did you find this review helpful? Yes No

  • JOSEPH N.
  • 10/26/2008 7:38:15 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsFits onto AM2 with adapter

Pros: Great cooler. Adjustable speed.

Cons: Huge, not compatible with many motherboards due to fins possibly blocking memory/ Video card install

Other Thoughts: I used a Thermalright Adapter Rev. B to add this to my AM2. Improved my overclocking headroom

Did you find this review helpful? Yes No

  • Anonymous
  • 7/25/2008 10:06:20 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGet this cooler...

Pros: Lower profile then alot of upright coolers. With this cooler, my processor never ran above 32C... With the large diameter, it helps cool all the chips, caps and such around the processor as well. 3 Years I have run this cooler in 3 different machines and the only reason I had to buy a replacement was some meatheaded guy dropped a 120mm case fax into the spinning fan blade.

Cons: In smaller cases, the large diameter of the cooling fins touch the power supply and can touch whatever heatsinks might be on the chips near the processor. Not really a con, I have had this fan in 5 different cases and always was able to get in installed.

Other Thoughts: Cooling cooling solution for 35 bucks!

Did you find this review helpful? Yes No

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