RackChoice 3u Rackmount Server Chassis MATX/Mini-ITX 3x5.25 Support ATX PSU with Either top/Bottom or Side Cooling and SFX PSU (Need to use The ATX.

3U server case has External Bay: 3x5.25 + Internal Bay: 8x3.5 max+1x3.5 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