Drives 8 * 3.5" or 2.5 hotswap
Motherboard Size 9.6 " * 9.6" (micro ATX, mini-ITX)
Dimension 13.38 * 12.00 * 8.66 inches / 340*305*220mm
Drives 1 * 3.5 or 2 * 2.5 drive bay
Motherboard Size 6.7 * 6.7 (mini-ITX)
Dimension 3.50 * 8.90 * 8.30 inches / 88 * 226 * 211(mm)
Drives 1 * 3.5( int.) or 2 * 2.5" (Int.)
Dimension 19.00 * 1.75 * 9.84 inches / 482.6 * 44.5 * 250 mm