3U server case has
External Bay: 3x 5.25 " +
Internal Bay: 8x 3.5 max+1x 3.5 to 2.5 adapter
Cooling fan: 2x 80mm infront preinstalled + 2 x 60mm fan at rear (option)
M/B size: Use ATX M/B support 2 x 5.25 / use Micro ATX M/B support 3 x 5.25
Supports standard ATX PSU with top / bottom 120mm or side 80mm fan or SFX PSU (need to use the ATX to SFX braccket in screw box
About GPU If remove a HDD cage max support 320mm to 340mm if donot remove the HDD cage, max support 240mm to 260mm please note 3U size is limited, please use the small power supply like SFX PSU to save space for cable management
Material: Zinc-Coated Steel+aluminum handel
With dust filter bracket in front easy maintenace
Case Type: 3U Rack mount