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Athena Power > 
Item#: N82E16811192312

Athena Power RM-1U100DM408 Black Aluminum Front Panel and 1.2mm Steel 1U Rackmount Server Case 400W Flex ATX 80PLUS Bronze 1 External 5.25" Drive Bays

  • 400W Flex ATX 80PLUS Bronze
  • 1 External 5.25" Drive Bays
  • 4 40mm Fans
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As the latest addition to Athena Power’s mini-server product line, the RM-1U100DM rackmount chassis is designed 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 the interior clean.

  • newegg Compact chassis with daisy chain capabilities With its reduced depth, this 1U rackmount is perfect for saving space. The size of this rackmount chassis is viable for a mini-ITX motherboard. With the 1U100DM’s daisy chain capabilities, one server tower slide can hold up to two mini ITX rackmounts at the same time.
  • newegg Hot SWAP Capabilities The RM-1U100DM 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 provides server administrators and system engineers extra mobility, so they can be flexible with their needs.
  • newegg Built-in FLEX ATX PSU Athena Power also offers combinations of this ITX rackmount and a FLEX ATX Power Supply ranging from 250 Watts to 400W. The RM-1U100DM408 is ideal for demanding server applications, as it incorporates an efficient 80PLUS-certified 400W power supply.
  • newegg Up to four fans The 1U100DM comes with four 40mm front exhaust fans. They keep your server cool by distributing a cool airflow onto the motherboard and the rackmount’s hard drive.
  • newegg Filter Cleaner This rackmount includes an easier way to clean 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; the filter is also washable.

Learn more about the Athena Power RM-1U100DM408


Athena Power


Chassis Type
Form Factor
Case Material
Aluminum Front Panel and 1.2mm Steel
Motherboard Compatibility
MicroATX (9.6x9.6)
Mini-ITX (6.7x6.7)
Power Supply
400W Flex ATX 80PLUS Bronze


External 5.25" Drive Bays
Expansion Slots
Full High Expansion Card x 1

Front Ports

Front Ports
2 x USB 2.0

Cooling System

40mm Fans

Physical Spec

19" x 1.75" x 15.12"


19" Rackmount standard

Air Filter: Washable

Switch: Power On/Off, Reset

Indicators: LED for Power and HDD

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 0 day

Customer Reviews of the Athena Power RM-1U100DM408

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  • Randall M.
  • 5/31/2013 10:31:35 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsNice case, troublesome PSU

Pros: The case is constructed nicely, the cables are long enough to reach standard motherboards, and uses standard motherboard connectors.

Cons: We have tried two of these cases, and for both of them the motherboard (Asus M5A78L-M/USB3) reports power surges. This was verified with other motherboards that ran just fine with other brands of PSU.

Other Thoughts: I really wanted us to use these cases as our standard case, because they are nicely made and uses standard connectors and are easy to work with.

Manufacturer Response:

We at Athena Power apologize for the inconvenience. In the future if you still consider purchasing our chassis, we can work with you in purchasing just the chassis itself without the power supply. Or assist you in your purchase of our chassis to prevent tis problem from happening again. Please feel free to contact us at or call us at (626) 810-5008 if you ever need assistance, concerns and issues with our products.

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Home > 
Computer Hardware > 
Servers & Workstations > 
Server Chassis > 
Athena Power > 
Item#: N82E16811192312
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