Model # Image Form
Factor		 Front
USB Port		 Internal
Drive Bay		 Hot Swappable
Drive Bay		 Optical
Drive Bay		 Expansion
slots		 Mainboard Size(inch)
FS-148404U22 x 2.5" OR 2 x 3.5"4 x 3.5" HDD Tray (Front)2 x 5.25"7Accepts standard size

FS-149404U24 x 3.5"HDD14Accept standard size

FS-149414U24 x 3.5"HDD7Accept standard size

FS-14840
FS-14840 is a 4u rackmount chassis support up to EATX System. Featured 4 x hot swappable 3.5" HDD , 3 x front mounted 80mm fan with front accessible fan filter plus 2 x 80mm rear mounted fan for maximum cooling. Support 2 x 5.25" external device,2 x 3.5" or 2 x 2.5"HDD, and PS II ATX and Mini Redundant power supply.
Drives:
• Internal Drive Bay : 2 x 2.5" OR 2 x 3.5"
• Hot Swappable Drive Bay : 4 x 3.5" HDD Tray (Front)
• Optical Drive Bay : 2 x 5.25"

Motherboard Size:
• Accepts standard size

Dimension(WxHxD):
• 19.00 x 6.82 x 24.67 inches
• 482.6 x 173.2 x 626.6 mm
FS-14940
FS-14940 is a unique 4u rackmount chassis featured front face 14 slots for 14 slots Backplane or Server board , 3 x 12cm rear mounted fan for maximum cooling. Support 4 x hot swappable 3.5" HDD , and PS II ATX and Mini Redundant power supply.
Drives:
• Hot Swappable Drive Bay : 4 x 3.5"HDD

Motherboard Size:
• Accept standard size

Dimension(WxHxD):
• 19.00 x 6.92 x 18.10 inches
• 482.6 x 175.8 x 459.7 mm
FS-14941
FS-14941 is a very unique 4u chassis feature front IO , 4 x hot swappable 3.5" HDD and 3 x rear mounted 12cm fan .Support up to EATX motherboard mini-ITX motherboard and PS2 ATX power supply.
Drives:
• Hot Swappable Drive Bay : 4 x 3.5"HDD

Motherboard Size:
• Accept standard size

Dimension(WxHxD):
• 19.00 x 6.92 x 18.10 inches
• 482.6 x 175.8 x 459.7 mm