Model # Image Form
Factor		 5.25"
Drive		 3.5"
Drive		 Hotswap
3.5"		 Slim
Optical		 Slim
FDD		 Expansion
slots		 Mainboard Size(inch) Depth
U-140SS1U410112 x 10.5 (ATX, microATX)21.25

U-208SS2U8007 (Low profile)12 x 10.5 (ATX, microATX)22.82

U-316SS3U1600712 x 10.5 (ATX, microATX)22.82

U-424SS4U2400812" x 13"21.21

U-140SS
Build-to-Order - 1U 4-Bay Storage Server Rackmount Chassis
Drives:
• 2.5" Drive(Int.) : 1
• Hotswap 3.5" : 4
• Slim Optical : 1

Motherboard Size:
• 12 x 10.5 (ATX, microATX)

Dimension:
• 18.96 x 1.73 x 21.25 inches
• 481.6 x 43.9 x 539.8 mm
U-208SS
Build-to-Order - 2U 8-Bay Storage Server Rackmount Chassis
Drives:
• 2.5" Drive(Int.) : 1
• 3.5" Drive(Int.) : 1
• Hotswap 3.5" : 8

Motherboard Size:
• 12 x 10.5 (ATX, microATX)

Dimension:
• 19.00 x 3.46 x 22.82 inches
• 482.6 x 87.9 x 579.6 mm
U-316SS
Build-to-Order - 3U 16-Bay Storage Server Rackmount Chassis
Drives:
• 2.5" Drive(Int.) : 1
• Hotswap 3.5" : 16

Motherboard Size:
• 12 x 10.5 (ATX, microATX)

Dimension:
• 18.97 x 5.22 x 22.82 inches
• 481.8 x 132.6 x 579.6 mm
U-424SS
Build-to-Order - 4U 24-Bay Storage Server Rackmount Chassis
Drives:
• 2.5" Drive(Int.) : 1
• Hotswap 3.5" : 24

Motherboard Size:
• 12" x 13"

Dimension:
• 18.98 x 6.98 x 21.21 inches
• 482.1 x 177.3 x 538.7 mm