Model # Image Form
Factor
5.25"
Drive
3.5"
Drive
Hotswap
3.5"
Slim
Optical
Slim
FDD
Expansion
slots
Mainboard Size(inch) Depth
M-4160-ATX4U1610712 x 9.6 (ATX, microATX, mini-ITX)22.83

M-3120-ATX3U1210412 x 9.6 (ATX, microATX, mini-ITX)22.83

M-280-MATX2U8004 (Low profile)9.6 x 9.6 (microATX, mini-ITX)21.69

M-140-ITX1U4001 (Low profile)6.7 x 6.7 (mini-ITX)14.96

M-4160-ATX
4U 3.5" 16-Bay Trayless Storage Server Rackmount Chassis
Drives:
• Hotswap 3.5" : 16
• Slim Optical : 1

Motherboard Size:
• 12 x 9.6 (ATX, microATX, mini-ITX)

Dimension:
• 19.02 x 6.92 x 22.83 inches
• 483.1 x 175.8 x 579.9 mm
M-3120-ATX
3U 3.5" 12-Bay Trayless Storage Server Rackmount Chassis
Drives:
• Hotswap 3.5" : 12
• Slim Optical : 1

Motherboard Size:
• 12 x 9.6 (ATX, microATX, mini-ITX)

Dimension:
• 19.01 x 5.25 x 22.83 inches
• 482.9 x 133.4 x 579.9 mm
M-280-MATX
2U 3.5" 8-Bay Trayless Storage Server Rackmount Chassis
Drives:
• Hotswap 3.5" : 8

Motherboard Size:
• 9.6 x 9.6 (microATX, mini-ITX)

Dimension:
• 19.01 x 3.47 x 21.69 inches
• 482.9 x 88.1 x 550.9 mm
M-140-ITX
1U 3.5" 4-Bay Trayless Storage Server Rackmount Chassis
Drives:
• Hotswap 3.5" : 4

Motherboard Size:
• 6.7 x 6.7 (mini-ITX)

Dimension:
• 19.00 x 1.75 x 14.96 inches
• 482.6 x 44.5 x 380.0 mm