3U server case has External 2x5.25"+1x3.5" plus Internal 4x3.5"+1x3.5" or 2x2.5" drive bay
M/B size: ATX / 12x9.6 /Micro-ATX 9.6 x 9.6 / mini itx 6.7 x 6.7
Cooling:1 x 12cm + 1x 8cm preinstalled intake + 2 x 6cm fan (option) / Cooling air from the front panel with hidden grille
Support full size graphics cards length: * If remove a HDD cage max support 410mm * if donot remove the HDD cage, max support 238mm
Supports standard ATX power supply with either top or side cooling
3U server Chassis depth=18“ (not include handel)
Case Type: 3U Rack mount chassis
When using ATX M/B, part of M/B is under the PSU, so some of components on the M/B may not be usable because of the height, and the PSU will occupy two PCI slot space.