Drives 1* 3.5 or 2* 2.5 (Int.)
Motherboard Size 6.7 * 6.7 (mini-ITX)
Dimension 19.00 * 1.75 * 9.84 inches / 482.6 * 44.5 * 250 mm
Drives 1* 3.5 or 2* 2.5"(Int.)+1* Slim 5.25 for optical device
Dimension 19 * 1.75 * 11.8 inches / 482 * 44.5 * 300 (mm)
Drives 4 * 3.5 (Int.)
Motherboard Size dual 6.7 * 6.7 (mini-ITX)
Dimension 19.00 * 3.5 * 14.17 inches / 482.6 * 88.9 * 360 mm
Drives 1 * 5.25 or 1 * 3.5 or 2 * 2.5 (int.)
Dimension 19.00 * 1.75 x 9.84 inches / 482 * 44.5 * 250 (mm)
Drives 1* 3.5 + 2 * 2.5 (Internal)
Dimension 19.00 * 2.625 * 9.84 inches / 482.6 * 68 * 250 mm