550A-MATX chassis

1. Overall
chassis compatibility:
  motherboard: 
matx, itx.
2pcie backplane.
    Graphics card:
Compatible with standard 2-fan mid-card (maximum 275mm).
The internal graphics card installation position is direct plug. Power supply
    :
ATX standard power supply (the power board and base plate can be modified and customized).
    Hard drive:
3.5-inch hard drive*1 or 2.5-inch hard drive + hot-swappable 2.5-inch hard drive. Hard drive*2 (hot-swappable Huawei 2.5 server bay can be used after modification to Dell server 2.5-inch hot-swappable bay)
 
hot-swappable hard drive rack hot-swappable backplane please refer to the document list Cold row:
supports 8025*160-200 Cold radiator*2
(If you don’t need water cooling, please fill the cold radiator position with a fan)
The cold radiator position is at the lower part of the middle panel.  
Flat air duct: left in and right out.
  Front panel interface:
upper part: 2*usb+2*3.5mm (or LED ) + 1*12mm button hole (supports custom interface board)
Lower left side: 4* usb + 2 custom 12mm connector holes (supports custom interface board)
Top: reserved for Ah Porridge (curly hair doesn’t want to be curled) Mobile hard disk interface (2 male tpc inside) (supports custom size)
digital life card reserved interface Left small display area:
supports 3.5-inch Raspberry Pi HDMI screen
 
2. File selection

, such as cnc to cnc (this file has no cnc)
Outsourced parts are purchased directly.
 
The sheet metal is sheet metal,
 
the folder is an outsourced part. Please purchase the finished product yourself and install

the printed parts. Please pay attention to the installation sequence.
It is recommended that you modify the model in the small screen area on the left according to the display device you want to install.
Note in the middle frame, please do it according to your own situation. Sheet metal is bent, (not divided into parts)
air duct: pay attention to the installation direction of the fan.
There is a complete assembly stp model in the compressed package, please refer to the installation.

It has been divided into parts: https://3d.forface3d.com/viewer/7AD10719A1CF422229299CBF1AACCCCA
 
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2023/08/03: Updated the power board to solve the original hole inversion interference problem , please use 230803 power board for production!