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Item#: N82E16811192300

Athena Power RM-1U100D308 Black Aluminum/Steel 1U Rackmount Server Case 300W FlexATX 80PLUS Bronze 1 External 5.25" Drive Bay Compact Size 9.84" in depth - OEM

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  • 300W FlexATX 80PLUS Bronze
  • 1 External 5.25" Drive Bays
  • 4 40mm Fans

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The RM-1U100D rackmount chassis is the latest addition to the Athena Power’s mini-server product line. It is ideal for small businesses, and for mobility for all IT system integrators. This ultra-compact chassis offers one 5.25 open bay to support up to four hot swappable 2.5” HDDs. You can also daisy chain multiple chassis for expanded usage. The high-efficiency chassis is compatible with a FLEX ATX Power Supply from 250W to 400W. Four 40mm fans provide the ultimate cooling performance, while the filter cleaner reduces dust buildup to keep a clean interior.

  • newegg Saves space and doubles the server power With its reduced depth size, this 1U rackmount is perfect for saving space. The size of this rackmount chassis is viable for a mini-ITX motherboard. Usually, server towers can only maintain one 1U rackmount at a time. But with the 1U100D’s daisy chain capabilities, one server tower slide can hold up to two mini ITX rackmounts at a time.
  • newegg Hot SWAP Capabilities The RM-1U100D comes with a 5.25” open bay and is compatible with the BP-425SAS and BP-425SAC, allowing support for up to four 2.5” HDDs that are hot swappable. This allows server administrators and system engineers extra mobility, so they can be flexible with their needs.
  • newegg Built-in FLEX ATX PSU Athena Computer Power also offers combinations of this ITX rackmount and a FLEX ATX Power Supply ranging from 250 W to 400W. By incorporating a reliable case with an efficient 80PLUS Bronze certified 300W power supply, this combination is truly ideal.
  • newegg Up to four ball bearing fans The RM-1U100D comes with two 40mm front and two 40mm rear exhaust fans. They will keep your server cool by distributing a cool air flow onto the motherboard and the rackmount’s hard drive.
  • newegg Filter Cleaner This rackmount chassis includes an easier way to clean up gathered-up dust and dirt that may hinder your server tower. The filter is strategically placed in front of the dual fans, just behind the front bezel of the rackmount chassis. The filter is also washable.

Learn more about the Athena Power RM-1U100D308

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 0 day
  • Read full details

Customer Reviews of the Athena Power RM-1U100D308

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  • james n.
  • 11/25/2014 8:50:28 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsLOUD PSU

Pros: It's cheap, well made. Very nice steel finish on the front plate. comes with PSU

Cons: The case has air intake holes on the side by the psu, however the psu vents are on the top where it meets the case lid. This always forces the fan to go into over drive with the lid on. Seems like that did not design the psu and case together. I am going to create some air holes on the lid above the psu to see if this fixes any issues.

Manufacturer Response:

Thanks for your reviews of our products. ACPC designed Athena Power RM-1U100D308 as a mini-ITX rack mount server chassis, so there is no vent holes on the chassis lid for rack mount cabinet environment. Furthermore, we don't suggest users to modify Athena Power products due to our warranty policy. If users have technical issue on ACPC products, please feel free to contact us at (626) 810-5008 or email us at Thank you again.

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  • Ryan B.
  • 1/29/2013 8:48:32 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsMixed Feelings

Pros: Feels heavy, with nice construction. Nice metal removable face plate. The rack handles feel good and secure. It was exactly what I was looking for in size for my rack.

Cons: In the back of the case where the power supply is bolted in the manufacture installed a bolt and indented the case and part of the power cord port, then removed it. So far I haven't had any performance or fitment issue from it.

As mentioned in another review, the case doesn't fix a normal Mini-ITX I/O shield as it's not the right dimensions of the hole in the case. The I/O hole in the case is much wider and shorter. Guess I will be running the case without the I/O shield for now until I find a solution. Also the Mini-ITX (GIGABYTE GA-H61N-USB3) rear ports are very tight in the back of the case and almost don't fit the height of the case.

Cable management is a little tight (especially behind the power supply), which is to be expected with a 1U but thought I should mention it.

There's no attachment bracket or adapter for a 3.5 or 2.5 drive. Had to custom mount my SSD in the case.

Other Thoughts: As for server cases the price of this case isn't bad but feel that some of the features and details were overlooked in the case design. If you don't have OCD and are not looking for an easy perfect install this case will work for you. I currently have only bought one for a render farm I'm building and I'm deciding if I want to use this case for the other 9 I still have to buy. The only part that really bothers me is the I/O shield not fitting and having all that area open for dust to collect and changing the airflow.

*Just a reminder to anyone buying this case make sure to buy a low profile CPU cooler as the stock Intel fan and heatsink are too high (forgot about it when purchasing my parts).

Manufacturer Response:

We at Athena Power may be able to assist you with the I/O shield issue, please contact us at (626) 810-5008 or e-mail us at We may be able to cut your I/O shield for you so you can place it in your rackmount. Thank you.

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  • Michael S.
  • 1/22/2013 2:20:02 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDont Waste Your Money!

Pros: Aluminum face plate.

Cons: 5 1./4 Bay drive holes were stripped upon arrival.

Power supply dead straight out of the box.

Its Flex ATX so DO NOT try to use any miniITX boards. They will not fix. The ATX plate in the back is not a standard size.

Cant return it because I waited too long before opening it after the holidays.

Other Thoughts: You get what you pay for. I would avoid all Athena made products from now on.

Manufacturer Response:

We at Athena Power apologize for the inconvenience. We would like to assist you with replacing the PSU and rackmount, both products have a guaranteed manufacturer's warranty and we will be happy to assist you in conducting an RMA. Please contact us at (626) 810-5008 or by e-mailing us at Thank you.

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Item#: N82E16811192300
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