RackChoice (8x3.5 or 6x3.5+2x2.5 Micro ATX/Mini-ITX 3U Rackmount Server Chassis

Drivesmax 11 internal 3.5” or 10 x 3.5”+ 1 x 2.5" internal HDD bays when using mini-ITX M/B, has max 7x3.5 when using micro ATX M/B

Motherboard SizeATX 12x9.6 / Micro-ATX 9.6x9.6 / Mini-ITX 6.7x6.7 (When using an ATX motherboard, part of it will be positioned under the PSU, limiting access to some components. The PSU will occupy two PCI slot spaces.)

Dimension19.00 * 5.25 * 16.5inches / 482.6 * 133 * 420 mm