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Prolimatech Inc. > 
Item#: N82E16835242001

Prolimatech Megahalems Rev.B CPU Cooler

  • Stainless Steel
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The Megahalems Rev.B is a bigger and better version of the Megahalems for Intel platforms including the new Intel LGA 1155 Socket Sandy Bridge processors. It comes with an extra set of fan clips for even better cooling results. It also includes the new all-in-one backplate for an easy, convenient installation on Intel Socket 775, 1156, and 1366. Also added to the upgrade package is the new material for the top fin on this "Mega" heatsink. This particular fin is made of all stainless steel. Its main features incorporate a greater resistance to accidental scratches and oxidation. For regular maintenance, all you have to do is lightly polish it with a soft cloth so you’ll always have that new out-of-the-box shiny looks; great for showing off at LAN parties and to your friends!

  • newegg 6 Heatpipes 6 heatpipes are lined up in a straight line to prevent air back draft allowing air to easily pass through the heatsink body.
  • newegg Highly Efficient Fins Wide gaps between fins with mathematically calculated thickness maximize air-to-surface cooling rate. This efficient design minimizes air resistance between fins, allowing the best balance between noise and performance in range of. Top fin is made of scratch-resistant stainless steel to preserve shine.
  • newegg Dual Fans Support The Megahalems Rev.B has two sets of fan clips for a duo-fan installation. (120mm X 120mm X 25mm fan suggested)
  • newegg Universal Backplate The universal backplate with easy-to-install retention mechanism supports all Intel platforms including LGA 775/1155/1156/1366.
  • newegg High Grade Thermal Compound Included Easy-to-apply high grade thermal compound is included to achieve optimal cooling performance. It’s a perfect sidekick to all Prolimatech heatsinks.

Learn more about the Prolimatech Inc. Megahalems Rev.B

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Prolimatech Inc. Megahalems Rev.B

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  • James S.
  • 3/2/2015 7:42:21 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsProlimatech Megahalems Rev. B CPU Cooler *Just BUY IT!*

Pros: Great air cooler. My i7-950 has been happy for years @ 4.2 GHz in a 24/7 Cool Master HALF case.

Cons: NONE, But this puppy is BIG, that is why it works so good.

Other Thoughts: Take your time and install it properly with a quality TIM and you will be rewarded by great cooling. CPU fan 1216, CPU 39 C light load, MB 29 C, under heavy benchmarks CPU goes as high as 50 -55 C - in a room that is 66 F or 19 C, (winter time) I am able to have a stable overclock of 4.2 GHz on my Intel i7-950

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  • Natthaphon B.
  • 12/23/2013 10:20:59 PM
  • Tech Level: Low
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Fans:
Rosewill RFA-120

2600k
5.2GHz 80c full load; idle 32C
4.8GHz 70c full load; idle 30C

4770k
4.6GHz 70 full load; idle 32C

Cons: The bracket that hold the heatsink to the CPU is a pain to get on. It is one of those thing once you get it on, you do not touch it. The bracket that goes across the heatsink with a screw hole on each end it a little bit short. The hole does not line up properly and require fiddling to get it to go on.

Other Thoughts: The new model comes in Black, Blue or Red. If you are under budget, then I would recommend the Cooler Master Hyper 212 EVO.

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  • Larry B.
  • 7/20/2012 2:54:46 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsfantastic cooler

Pros: My machine is pin-drop silent thanks to the Megahalems' excellent thermal conductivity and large cooling surface area. I'm cooling an i5-3570K and it stays cool with one very quiet [low speed] cooler fan. CPU temps are 30C at idle and 47C under heavy load. It is not OC'ed [yet]. Also, the Prolimatech thermal paste is among the best available.

Cons: Installation is a little tedious so do go slow and double/triple check each step. Some of my threaded holes were not properly "finished" so you may want to thread each screw into each threaded hole (and remove) before actually performing that step. Nevertheless, it does go together nicely and the superior cooling is well worth the extra effort.

Other Thoughts: My Megahalems came with four (4) clips for two (2) cooler fans.

This is a large cooler so be sure to check clearances. That said, it does fit most MBs and cases. ...but do check. My Megahalems clears my Mushkin memory sticks with their "Frostbyte" heat spreaders.

A naive cooling subsystem is arguably the largest source of noise. Choose quiet fans and a cooler with excellent thermal conductivity and large surface area. I did and am not disappointed. I have a very fast yet "pin-drop" silent machine. ...on air no less. :-))

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  • Hal L.
  • 1/4/2012 9:47:01 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks Well Passively

Pros: I'm using this as a passive heatsink in a Silverstone FT02 Fortress chassis with an Intel i5-2400 (no overclocking).
The case fans move plenty of air across this heatsink to keep the CPU cool without any additional fans. Running passively, the CPU is cooler than ambient temperature (19C, 66F) and at load the CPU rarely exceeds 50C, 122F.

Cons: No cons.

Other Thoughts: I would encourage everyone who isn't overclocking to use this cooler with no fan. It really will go a long way in making your system quieter.

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

  • Scott C.
  • 12/11/2011 8:59:01 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsMore like Megatron!

Pros: This is an amazing heat sink for enthusiasts. If you're not willing to use liquid cooling, this is the next best thing. In fact I've seen comparison reviews where this beat some liquid-cooled options.

Cons: One of the bolts was slightly too thick for the mounting bracket. I had to sand it down a good bit to make it work.

Other Thoughts: If you're not overclocking, this is probably overkill.

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

  • Eric W.
  • 11/23/2011 6:18:56 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: Excellent cooler. Replaced my Hyper212+, which was getting 65C at stock speeds with a 17-980. This cooler was managing 43-45C with the same settings. Overclocked to 4GHz, never higher then 53C. I used push, pull setup w/ 2 fans and the included TIM. Couldn't be happier.

Cons: None

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  • Richard A.
  • 11/15/2011 7:48:21 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsOutstanding Performance, Chintzy Mounting

Pros: Great performance, keeps my i5-2500 below 45C at all times.

Cons: Mounting system is somewhat chintzy, screws are not quite properly sized and mounting plate does not secure tightly to motherboard. Wire hooks for fan mounting are functional but not confidence-inspiring, and will probably vibrate and rattle against the heatsink.

Other Thoughts: Heatsink is recessed on the faces and only accepts standard-size, square 120x25mm fans. If your fan housing is round it will fit, but will not be secure. 140mm fans with 120mm mounting holes will not work, as they sit farther out on the heatsink and the fan clips will not reach. 120x38mm fans are also too deep for the clips. Retention screws for heatsink crossbar are also too tall and cause fans to sit slightly above the top of the heatsink.

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  • Lech B.
  • 10/25/2011 2:28:06 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAwesome Heatsink!!!

Pros: Amazing cooling performance. Easy to mount IF YOU KNOW WHAT YOU'RE DOING.

Cons: None

Other Thoughts: To other people who say its TOO BIG... Well sorry to say if your case isnt a full tower, you should've done your homework and check the dimensins before you buy. But dont take out an egg from the rating because you were lazy. To people that cant fit their fan over the ram. Just flip the fan and install it on the other side... Problem solved. Does the same job i tested it... Little imagination and everything works.

2 out of 2 people found this review helpful. Did you? Yes No

  • Chris L.
  • 10/18/2011 6:47:29 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsToo big.

Pros: With stock case fans I idle at around 30 Celsius. IMO I have not been super impressed with the cooling, but its above average thats for sure. However the cons outweigh the pros.

Cons: Size. I cannot fit 4 RAM sticks in because once you attach a 120mm fan to the cooler its width blocks out one RAM slot. I am using a Asus Maximums IV Extreme. So if you plan on getting this board skip on the Prolimatech. I knew I should have gone with the Corsair H100...look for my cooler on the preowned market around December time. With standard ground shipping I wont be able to return this in time.

0 out of 2 people found this review helpful. Did you? Yes No

  • Jeremy V.
  • 9/11/2011 8:35:36 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggs

Pros: Seriously the best cooler I have ever owned. It's a quality piece of hardware. The reviews and benchmarks online speak for this thing. Also comes with quality thermal paste so there's no need to spend an extra $5-10 on paste.

Cons: The directions are pretty lackluster and are on a huge sheet of paper in about 80 different languages.

The fan clips are a little tricky if you have never used this type before.

Also the contact on the bottom was not precisely flat so you end up putting more thermal paste than you're used to. However it doesn't appear to affect performance at all.

Next up the box must be pretty old because it does not indicate that it fits 1155 socket. That's all fine since its the same mount as Sockey 1156 but some people might pass this up who dont know this thinking it doesn't fit.

And finally, maybe I read the directions wrong, but it comes with a spacer that is supposed to only be used with a socket 775 model. I found that my 1155 needed the spacer in order to fit properly on the board.

Other Thoughts: If you're an enthusiast like me, squeezing those extra few C's is worth the extra pound of flesh you pay to have this in your pc. Which brings me to my next point. Dont cheap out on the fans. Buy some quality 120mm fans for this puppy.

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Prolimatech Inc. > 
Item#: N82E16835242001
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