Model # Image Form
Factor
Front
USB Port
Internal
Drive Bay
Hot Swappable
Drive Bay
Optical
Drive Bay
Expansion
slots
Mainboard Size(inch)
FS-121402U21 x 2.5" HDD4 x 3.5" HDD Tray (Front)1 (Slim)1Accepts standard size

FS-122412U22 x 2.5" and 4 x 3.5"4 x 3.5" HDD Tray (Front)2 x Low ProfileAccepts standard size

FS-122422U2x2 (USB 2.0)2 x 2.5"HDD4 x 3.5"HDDnoneAccept standard size

FS-122802U2 x 2.5" HDD8 x 3.5" HDD Tray (Front)2 x PCIAccepts standard size

FS-122812U2 x 2.5" HDD8 x 3.5" HDD Tray (Front)2 x Low ProfileAccepts standard size

FS-123402U22 x 2.5" OR 2 x 3.5"4 x 3.5" HDD Tray (Front)4 x Low ProfileAccepts standard size

FS-123412U21 x 3.5" OR 1 x 2.5"4 x 3.5" HDD Tray (Front)1 (Slim)4 x Low ProfileAccepts standard size

FS-123802U21 x 3.5" OR 1 x 2.5"8 x 3.5" HDD Tray (Front)1 (Slim)4 x Low ProfileAccepts standard size

FS-124202U2 (USB 2.0)1 x 2.5"HDD2 x 3.5"HDD3 (+ 1 x flexible)Accept standard size

FS-124212U2 (USB 2.0)1 x 2.5"HDD2 x 2.5"HDD4Accept standard size

FS-124402U21 x 2.5" and 2 x 3.5" HDD4 x 3.5" HDD Tray (Front)1 (Slim)7 x Low ProfileAccepts standard size

FS-129002U2 x 23.5"HDD x 62Accept standard size

FS-129202U22.5" HDD x 1 + 3.5" HDD x 22 x 3.5"HDD4Accept standard size

FS-129252U22 x 3.5"HDD6Accept standard size

FS-12140
FS-12140 is a 2U rackmountable chassis featured front accessible dust filter . Support 4 x hotswappable 3.5" HDD, 1 x slim optical drive, 2 x 2.5" internal HDD ( 1 x when optical drive installed) and FLEX ATX power supply.
Drives:
• Internal Drive Bay : 1 x 2.5" HDD
• Hot Swappable Drive Bay : 4 x 3.5" HDD Tray (Front)
• Optical Drive Bay : 1 (Slim)

Motherboard Size:
• Accepts standard size

Dimension:
• 19.00 x 3.46 x 11.20 inches
• 482.6 x 87.9 x 284.5 mm
FS-12241
FS-12241 is a 2u rackmount chassis support dual Mini-ITX System. Featured 4 x 3.5" hotswappable HDD, interanal 2.5" or 3.5" HDD x 2 , and 2 x front accessible fan filter.Support 2 x low profile expansion cards.
Drives:
• Internal Drive Bay : 2 x 2.5" and 4 x 3.5"
• Hot Swappable Drive Bay : 4 x 3.5" HDD Tray (Front)

Motherboard Size:
• Accepts standard size

Dimension:
• 19.00 x 3.46 x 17.50 inches
• 482.6 x 87.9 x 444.5 mm
FS-12242
FS-12242 is a unique designs 2U chassis support dual Mini-ITX system with 4 x 3.5" Hot Swapple Drive Bays.Also support 2 x 2.5" internal HDD/SSD and FLEX ATX power supply.
Drives:
• Internal Drive Bay : 2 x 2.5"HDD
• Hot Swappable Drive Bay : 4 x 3.5"HDD

Motherboard Size:
• Accept standard size

Dimension:
• 19.00 x 3.46 x 12.80 inches
• 482.6 x 87.9 x 325.1 mm
FS-12280
FS-12280 is a 2u rackmount chassis support dual Mini-ITX System. Featured 8 x 3.5" hotswappable HDD, interanal 2.5" x 2 , and 2 x FLEX ATX power supply.Support 2 x full height expansion card.
Drives:
• Internal Drive Bay : 2 x 2.5" HDD
• Hot Swappable Drive Bay : 8 x 3.5" HDD Tray (Front)

Motherboard Size:
• Accepts standard size

Dimension:
• 19.00 x 3.46 x 17.50 inches
• 482.6 x 87.9 x 444.5 mm
FS-12281
FS-12281 is a 2u rackmount chassis support dual Mini-ITX System. Featured 8 x 3.5" hotswappable HDD, interanal 2.5" x 2 , and 2 x FLEX ATX power supply.Support 2 x low profile expansion card.
Drives:
• Internal Drive Bay : 2 x 2.5" HDD
• Hot Swappable Drive Bay : 8 x 3.5" HDD Tray (Front)

Motherboard Size:
• Accepts standard size

Dimension:
• 19.00 x 3.46 x 17.50 inches
• 482.6 x 87.9 x 444.5 mm
FS-12340
FS-12340 is a 2u rackmount chassis support MATX motherboard. Featured 4 x 3.5" hotswappable HDD, internal 2.5" or 3.5" HDD x 2 , and 2 x front accessible fan filter.Support 4 x low profile expansion cards and ATX PS2 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)

Motherboard Size:
• Accepts standard size

Dimension:
• 19.00 x 3.46 x 19.13 inches
• 482.6 x 87.9 x 485.9 mm
FS-12341
FS-12341 featured 4 x hotswappable 3.5" HDD and front accessible fan filter. Support MATX motherboard and 4 x low profile expansion slots.
Drives:
• Internal Drive Bay : 1 x 3.5" OR 1 x 2.5"
• Hot Swappable Drive Bay : 4 x 3.5" HDD Tray (Front)
• Optical Drive Bay : 1 (Slim)

Motherboard Size:
• Accepts standard size

Dimension:
• 19.00 x 3.46 x 19.96 inches
• 482.6 x 87.9 x 507.0 mm
FS-12380
FS-12380 is a 2u rackmount chassis support MATX motherboard. Featured 8 x hotswappable 3.5" HDD . Support Slim optical drive, internal 1 x 3.5" or 1 x 2.5" HDD, 4 x low profile expansion cards and PS2 ATX power supply.
Drives:
• Internal Drive Bay : 1 x 3.5" OR 1 x 2.5"
• Hot Swappable Drive Bay : 8 x 3.5" HDD Tray (Front)
• Optical Drive Bay : 1 (Slim)

Motherboard Size:
• Accepts standard size

Dimension:
• 19.00 x 3.46 x 19.13 inches
• 482.6 x 87.9 x 485.9 mm
FS-12420
FS-12420 is a 2u rackmount chassis support ATX motherboard. Support 2 x 3.5" hotswappable HDD, 1 x internal 2.5" HDD, 3 x full height expansion cards and FLEX ATX power supply.
Drives:
• Internal Drive Bay : 1 x 2.5"HDD
• Hot Swappable Drive Bay : 2 x 3.5"HDD

Motherboard Size:
• Accept standard size

Dimension:
• 19.00 x 3.46 x 13.70 inches
• 482.6 x 87.9 x 348.0 mm
FS-12421
FS-12421 is a 2u rackmount chassis support ATX motherboard. Support 2 x 2.5" hotswappable HDD, 1 x internal 2.5" HDD, 4 x full height expansion cards and FLEX ATX power supply.
Drives:
• Internal Drive Bay : 1 x 2.5"HDD
• Hot Swappable Drive Bay : 2 x 2.5"HDD

Motherboard Size:
• Accept standard size

Dimension:
• 19.00 x 3.46 x 10.42 inches
• 482.6 x 87.9 x 264.7 mm
FS-12440
FS-12440 is a 2u rackmount chassis featured 4 x hot swappable 3.5" HDD, front accessible fan filter. Support slim optical drive, 1 x 2.5" and 2 x 3.5" HDD. Also support ATX motherboard, 7 x low profile expansion slots and 2U form factor power supply.
Drives:
• Internal Drive Bay : 1 x 2.5" and 2 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:
• 19.00 x 3.46 x 21.18 inches
• 482.6 x 87.9 x 538.0 mm
FS-12900
FS-12900 is a unique designs 2U chassis support dual front Mini-ITX system.Support 6 x 3.5" HDD , 2 x full height expansion slots and dual FLEX ATX power supply.
Drives:
• Internal Drive Bay : 3.5"HDD x 6

Motherboard Size:
• Accept standard size

Dimension:
• 19.00 x 3.46 x 16.60 inches
• 482.6 x 87.9 x 421.6 mm
FS-12920
FS-11900 is another unique 2u chassis feature 2 x 3.5" hot swappable drive bays ,front IO and front AC socket for easy access. Support ATX motherboard and 4 x full height expansion slots.
Drives:
• Internal Drive Bay : 2.5" HDD x 1 + 3.5" HDD x 2
• Hot Swappable Drive Bay : 2 x 3.5"HDD

Motherboard Size:
• Accept standard size

Dimension:
• 19.00 x 3.46 x 15.24 inches
• 482.6 x 87.9 x 387.1 mm
FS-12925
FS-12925 is a unique 2u rackmount chassis support PICMG SBC system. Featured 2 x hotswappable 3.5" HDD and 3 x rear mount 8cm fan for maximum cooling.
Drives:
• Hot Swappable Drive Bay : 2 x 3.5"HDD

Motherboard Size:
• Accept standard size

Dimension:
• 19.00 x 3.46 x 18.10 inches
• 482.6 x 87.9 x 459.7 mm