Model # Image Form
Factor
Front
USB Port
Internal
Drive Bay
Hot Swappable
Drive Bay
Optical
Drive Bay
Expansion
slots
Mainboard Size(inch)
FS-132803U4 (2 x 2)2 x 2.5" and 2 x 3.5"8 x 3.5" HDD Tray2 x PCIAccepts standard size

FS-133403U23 x 3.5" HDD4 x 3.5" HDD Tray (Front)1 (Slim)4 x PCIAccepts standard size

FS-13280
FS-13280 is a 3u rackmount chassis support dual Mini-ITX System. Featured 8 x hot swappable 3.5" , 2 x front accessible fan filter. Support 2 x 2.5" and 2 x 3.5" HDD, 2 x full height expansion cards and dual FLEX ATX power supply.
Drives:
• Internal Drive Bay : 2 x 2.5" and 2 x 3.5"
• Hot Swappable Drive Bay : 8 x 3.5" HDD Tray

Motherboard Size:
• Accepts standard size

Dimension(WxHxD):
• 19.00 x 5.19 x 17.56 inches
• 482.6 x 131.8 x 446.0 mm
FS-13340
FS-13340 is a 3u rackmount chassis support MATX System. Featured 4 x hot swappable 3.5" , 3 x front mounted 80mm fan with front accessible fan filter plus 2 x 60mm rear mounted fan for maximum cooling. Support slim otpical drive, 3 x 3.5" HDD, and PS II ATX power supply.
Drives:
• Internal Drive Bay : 3 x 3.5" HDD
• Hot Swappable Drive Bay : 4 x 3.5" HDD Tray (Front)
• Optical Drive Bay : 1 (Slim)

Motherboard Size:
• Accepts standard size

Dimension(WxHxD):
• 19.00 x 3.46 x 16.63 inches
• 482.6 x 87.9 x 422.4 mm