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Item#: N82E16835101019

ASUS Silent Knight AL 92mm Sleeve CPU Cooler

  • 2300 ±10% RPM
  • 45.6 CFM
  • Cu. Base + Al. Fins with nickle-plating + 6 Copper Heat Pipes
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Asus continues to think outside the box – the boxy design of most CPU coolers, that is. Its radical, radial design provides maximum cooling with 128 polished copper ribs arrayed around a 92mm sliding bearing 2,300 RPM fan. Six separate, copper heat pipes distribute heat away from the CPU to be dissipated by the airflow running through the core of the cooler.

Offering support for the Intel Pentium D Dual-Core CPU as well as Intel Pentium 4 LGA775 and Socket 478 processors, the Silent Knight II also fits AMD Athlon 64 X2/FX Dual-Core and AMD Athlon 64 939, 940 and AM2 socket CPUs as well thanks to the included selection of sockets and backplates.

Mounting the cooler is straightforward, and the heatsink sits high above the motherboard to eliminate any conflict with other components. Its 45.6CFM airflow will quickly purge heat from the system. Blue LED highlights accent the smooth copper surfaces of the cooler to add more than a little bling to the interior of your case.

  • newegg Superior Heat Dissipation and Cooling Performance Six innovatively-designed copper heatpipes and high-density aluminum fins maximize heat transfer and dissipation. Plus a 92mm, 2300RPM sleeve bearing fan delivers an air flow of up to 45.6 CFM for near peerless cooling performance.
  • newegg PWM Function The PWM function automatically adjusts fan speeds according to the CPU temperature for efficient cooling and minimized fan noise.
  • newegg Universal Socket Compatibility The ASUS Silent Knight AL features broad compatibility with AMD socket 754, 939, 940, AM2/AM2+, and socket F (1207)/1207+ platforms, as well as the Intel LGA 775 platform.

Learn more about the ASUS Silent Knight AL


Silent Knight AL


Fan & Heatsinks
Fan Size
Intel Core2 Extreme/ Core2 Quad (Quad-Core)
Intel Core2 Duo/ Pentium Dual Core/ Pentium D (Dual-Core)
Intel Pentium 4 HT/Celeron D
AMD Athlon 64 FX
AMD Athlon 64 X2
AMD Athlon 64
AMD Sempron
Bearing Type
2300 ±10% RPM
Air Flow
45.6 CFM
Noise Level
25 dBA
Power Connector
4 Pin
Heatsink Material
Cu. Base + Al. Fins with nickle-plating + 6 Copper Heat Pipes

Physical Spec

Fan Dimensions
92 x 92 x 25mm
Heatsink Dimensions
115 (L) x 110 (W) x 140 (H) mm
450 g

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the ASUS Silent Knight AL

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  • Michael H.
  • 10/29/2009 1:14:36 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAwesome!!!

Pros: Major improvement in the airflow inside my case...
CPU temps, dropped an avg. of 30 deg C. installed on an Athlon 64x2 6000+.... The Blue glow from it looks great... Directional airflow, depending on how you install... Silent.... Easy installation... All around great product...

Cons: none at all...

Other Thoughts: It's big, but no larger than a lot of other ones on the market... Sits well above the socket/mobo, so it doesnt get in the way of other components/cables/wires...

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  • Anonymous
  • 7/26/2009 9:56:00 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsA great heat sink!!!

Pros: *great looking design
*an almost twenty degree drop from my old stock heatsink
*near silent fan operation
*Pwm controlled
*easy to install (and remove if needed)
*cool blue halo effect from the led's

Cons: *NONE
*I would suggest a full-size case. It is big, however it is not as big as a lot of the other aftermarket coolers out there.
*also the instructions are vague, however if you need detailed instructions to put on a heat sink you probably should not be assembling a computer!

Other Thoughts: I replaced my original mother board with an Asus P5QC board. My old heat sink (a Dell Skydive) was running my Pentium 4 3.6 at 49deg C idle and 60+deg C load (no overclocking). Now the old Pentium 4s run hot... but not that hot. I put my same chip on the new board with the Silent Knight AL on it. It now runs at 32deg C idle and 48deg C load an almost twenty degree improvement! That's HUGE! Its a great looking heat sink and well worth the money. If you want your comp to last a while spend the extra money and buy a good heatsink. Ive been in the industry for a long time and Ive seen heat do some pretty nasty things. ITS WORTH IT!!!

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  • Jared C.
  • 7/12/2009 6:40:24 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsStill going strong.

Pros: Still one of the better LGA775 coolers out there, and for this price after rebate it's a steal. Reviewed this when I first got it(Q6700 sits around 27C/38C Up to 42C FULL LOAD OC'd to 3.2 GHz) Great little cooler for the money, smaller form factor has plenty of headroom in smaller mid-tower cases.

Cons: It's not liquid cooling?

Other Thoughts: 30 bucks after rebate? I payed 60 for this when the TRUE 120 was still around 80 bucks, and at the time an extra 20 bucks for a larger heatsink that performs at about the same level wasn't cutting it for me. Plus it matches my board...and color scheme.

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  • Kathleen F.
  • 7/1/2009 10:12:35 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: looks nice in case, blue led, cools cpu well runs at 20c

Cons: had to remove motherboard to install

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  • Nick S.
  • 5/19/2009 12:58:33 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggs

Pros: Does a great job keeping the temp cool on the processor.

Cons: The wire that powers the fans hit the fans making clicking noises. The hard the processor works the more noise that comes out of the case (which is expected) . Also when mounted on my DFI LANPARTY DK 790FX it angles downward blowing the air to the bottom keeping the hot air in to the case instead of mounting were the air is blowing to the back of the case pushing it out.

Other Thoughts: All in all I think the cooler look BA and it does a good job keeping the processor cool just wish it was quite.

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  • Anonymous
  • 4/19/2009 1:18:30 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsIts Worth It

Coming Soon!

Pros: Its Quiet, Cool, and awesome looking! Got this from a local store, and I just love it! Fits great in my case, and installation was VERY easy! Keeps oy OC'd Q6600 (3.00 Ghz) Very cool! 30-45 C (50 when under full load).

Cons: Not free. Has only 1 little bracket holding the cooler to the CPU. The thermal paste it come's with is very basic, so I used after market paste.

Other Thoughts: Have this on my EVGA 780i SLI. My case is not really that loud, the mic just makes it seem loud.

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  • Cynthia T.
  • 4/2/2009 11:04:39 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: The only gunmetal HSF I know of!
Cools decently, much better than Intel's stock HSF.
Easier to install than the Intel pushpin fiasco.

Cons: None.

Other Thoughts: Currently running a Q9400 @ 3.6GHz. Temps around 30-32C idle, 50-55C @ full load.

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  • Mariusz K.
  • 3/6/2009 3:35:07 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

1 out of 5 eggsHorrible

Pros: Has a blue light? Looks like a turbine?

Cons: I replaced stock cooler with a cooler that has a blue light but stock performance. I used it in my main system speed fan and bios hardware monitor didn't notice any difference!! Each core still boiling at 49/51 *C IDLE!!!

Moved it to a new computer (which I didn't care about . I wanted to cool my gaming machine) One core is nice cool 28 *C, the other is boiling at 59 *C IDLE!!!

Other Thoughts: Installed bad in 2 computers? Too much coincidence, more like a bad product. Small number of total reviews says something.

0 out of 5 people found this review helpful. Did you? Yes No

  • souk n.
  • 2/18/2009 7:36:20 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggscool cooler

Pros: it looks sexy =) looks even better with my asus board

Cons: none

Other Thoughts: this asus cooler rocks..the tempt is ok not overclocking to led is nice oh yeah did i mention it was sexy? =)

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  • Nelson W.
  • 1/31/2009 2:29:38 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAwesome cooler

Pros: This cooler is awesome, my old cooler (stock amd cooler) was idle around 33-35c and between 49-55c at load. This cooler as reduced idle temp to 29-30c, and the load has yet to reach 40c. (this is an AMD 64 x2 5600+ processor)

Cons: I wish there was an easier way to install the cooler without having to take the motherboard out to install a backplate, but other than that it's fairly simple. Another con is the fan is really wobly, and I had to install it in a way that the fan is blowing straight up, else it would make a loud noise as if the fan was hitting the heatsink.

Other Thoughts: Great cooler for a great price.

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Home > 
Computer Hardware > 
Fans & PC Cooling > 
CPU Fans & Heatsinks > 
Item#: N82E16835101019
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