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Intel > 
Item#: N82E16835203001

Intel BXSTS100C Passive/active combination heat sink with removable fan

  • LGA 1366
  • Support CPU up to 130W
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Learn more about the Intel BXSTS100C

Model

Brand
Intel
Model
BXSTS100C

Spec

Type
Fan & Heatsinks
Compatibility
LGA 1366

Features

Features
Maximum CPU TDP: 130W
With fan installed:
- Pedestal chassis that provides adequate ventilation and correct temperature air to heat sink
With fan removed:
- Pedestal chassis with ducted airflow to heat sink
- 2U or larger rack chassis with ducted airflow to heat sink

Manufacturer Warranty

Parts
1 year limited
Labor
1 year limited

Quick Info

Warranty

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


Customer Reviews of the Intel BXSTS100C

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  • James F.
  • 4/21/2014 9:02:35 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsQuieter than I expected

Pros: I needed this style cooler for a Z8NR-D12 dual-socket build, with x5650s. Even running prime95 large FFT the fan never got to 4000 RPM, and wasn't much louder than a relatively quiet GPU (inside the case). It idles around 2000 RPM and it sounds like a normal computer at idle does.

Mounting was simple, LGA1366 has a great backplate solution.

If you have good airflow, you can remove the CPU fan and run it passive.

Buying a second one right now.

Cons: If I had to, it would be that the fins can be bent easily. Make sure you handle them gingerly or grab them by the fan.

Other Thoughts: I highly recommend for server builds that are low-profile or have close socket spacing. If you look at the Z8NR-D12 spacing, you can fit two of these side-by-side.

Did you find this review helpful? Yes No

  • Bambi H.
  • 6/1/2012 10:53:44 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsLOUD!!!

Pros: Seemed to keep processor cool when first bought.

Cons: Since bought it has become increasingly loud and keeps processor less cool...

Did you find this review helpful? Yes No

  • Micah H.
  • 4/26/2012 6:25:00 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsQuiet and efficient

Pros: Cools extremely hot Xeon processors very efficiently.

Cons: Warning! Make sure you set the fan speed in your BIOS because out-of-the-box they didn't run at a fast enough RPM to cool my processors causing it to shutdown. Once I enabled "high performance" in BIOS those heat sinks kept everything cool.

Other Thoughts: Great heat sink with high quality.

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

  • Christopher O.
  • 4/21/2012 3:54:21 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsHigh quality, compact, loud.

Pros: High quality, very solid, compact, mounts easily. Literally no bigger than the heat sink mount for the processor, so no issues clearing nearby memory.

Cons: Can be loud at high RPM, fan isn't removable without removing the entire unit from the CPU. When dust collects between the fan and the fins, you have to blow it out with compressed air or pick it out with a small wire. If the fan was removable, it could easily be cleaned. Not a huge deal, since I've only had to do it once in 3 years.

Other Thoughts: Many reports of this cooler being loud... which it is without a doubt. It's extremely loud at higher RPM's, but it doesn't normally run at those speeds. On my dual Xeon E5530 (80 watt) in a SuperMicro X8DAL-i, the fans only become audible when I have the processors pegged at 100% rendering, and even then, the noise isn't objectionable. At any other time, they're virtually silent.

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

  • Vincent S.
  • 3/25/2012 5:44:16 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsships separatly

Pros: works great as an active/passive heat sink

Cons: ships from a separate location

Other Thoughts: when i get a second cpu ill buy another

Did you find this review helpful? Yes No

  • Michael S.
  • 12/9/2011 6:52:25 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsLoudest fan ever

Pros: Intel design (so it fits like its supposed to)
High RPM fan (9,500 rpm will keep the CPU as cold as ice)

Cons: LOUD -- 9,500rpm sounds like a jet engine in your ear

Other Thoughts: On my dual-Xeon Supermicro, these were running at full speed (9,500 rpms sounds like a jen engine in your ear). The issue was not enough air over the IOH on the board -- which I've solved, and these run very quietly now (most of the time). Still, startup is quite loud. These are the loudest fans I've ever used. Might help if there were more than 2 heatpipes, or if they offered this in a 4U version as well.

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  • Anonymous
  • 9/14/2011 9:30:33 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

3 out of 5 eggsBeefy OEM heat sink

Pros: Heatsink is pretty heavy, with a decent sized copper pad to contact the CPU case. The unit itself is fairly compact, though, so it doesn't take up much more room than the footprint of the CPU socket and mounting holes. This is important with some boards, since the RAM banks are pretty close to the CPU sockets.

Cons: Three small strips of thermal paste don't give me a good feeling. I know Intel designed this for their chips, and I'm sure their engineers know exactly how much paste to use to make a good contact surface, but I feel a bit wary. I'll probably strip off the OEM material and put down some paste myself just to be sure.

Other Thoughts: I purchased this unit for a E5620 which is only an 80W TDP package, so this is a bit overkill. I'm hoping to see it manage CPU temperatures better than the unit rated for 80W, though.

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

  • Irene C.
  • 8/3/2011 6:30:21 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsPerfect for 80w Xeons

Pros: This little guy is a perfect "standard" cooler for LGA1366 Xeon socketed boards with standard threaded backplates. Good temps and fit with e5645 2.4Ghz in a Supermico X8DAH-+F-O, stuffed into an 3RU Supermicro 836 series chassis. This cooler would also fit into a 2U case with no problem.

Cons: Minor niggles:
1] Heatsink fins are not fully deburred, and are not sanded, so they are SHARP in certain places.
2] screws are partially underneath the rear part of the fins, so it is difficult to install the cooler without bending anything. Prepare to use a thin, long screwdriver.
3] Factory applied thermal paste had some dust in it and did not spread well when mounted. Cleaned and used MX3, temps dropped about 12c (idle.)

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

  • Gary M.
  • 6/24/2011 4:27:15 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSilent Intel L5640 Fan Sink

Pros: Silent @ 2481rpm.
My three Seagate 15k.6 SAS drives make more noise than the CPU fan sinks.

Cons: Noisey @ 4440rpm. If I was forced to use this rpm, I would be looking for another fan sink in one minute.
Yes, it is that loud...

Other Thoughts: My motherboard: Supermicro X8DAI bios 2.0c
I have two L5640s installed.
With Bios set to "Low Noise" 2481rpm.
With Bios set to "Balanced" 4440rpm.

Fan sinks keep the CPUs cool even with a room temperature of 90F and full CPU load using Seti@home as a test. ("Low noise" setting)

This is the perfect fan sink for 60W and smaller CPUs.

Did you find this review helpful? Yes No

  • Per M.
  • 6/6/2011 3:39:50 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsDid not arrive on time

Pros: Works well. Have used it in other builds. Easy to install.

Cons: Not completely quiet, but what, it is a server cooler.

Other Thoughts: Did not arrive on time. This ships from a third party warehouse that does not ship with the service requested, BE WARNED.
Was going to install the server today, but cannot even boot the computer since I have no CPU cooler. This is one of the few times Newegg sucks. Not possible to buy a Xeon cooler locally either.

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

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Item#: N82E16835203001
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