Model # Image Form
Factor		 Front
USB Port		 Internal
Drive Bay		 Hot Swappable
Drive Bay		 Optical
Drive Bay		 Expansion
slots		 Mainboard Size(inch)
FS-BB-1390-1-U2.5" HDD x 22Accept Standard Size

FS-BB1150-U2.5" HDD x 1.

FS-BB1150-1-U2.5" HDD x 1.

FS-BB1150-2-U2.5" HDD x 1.

FS-BB1154-U2.5" HDD x 1.

FS-BB1154-1-U2.5" HDD x 1.

FS-BB1154-2-U2.5" HDD x 1.

FS-BB1156-U2.5" HDD x 1.

FS-BB1156-1-U2.5" HDD x 1.

FS-BB1156-2-U2.5" HDD x 1.

FS-BB1222-2-U2.5" HDD x 12Accept Standard Size

FS-BB-1390-1

Drives:
• Internal Drive Bay : 2.5" HDD x 2

Motherboard Size:
• Accept Standard Size

Dimension:
• 10.30 x 14.09 x 8.02 inches
• 261.6 x 357.9 x 203.7 mm
FS-BB1150

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 2.70 x 8.20 inches
• 177.8 x 68.6 x 208.3 mm
FS-BB1150-1

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 3.70 x 8.20 inches
• 177.8 x 94.0 x 208.3 mm
FS-BB1150-2

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 4.90 x 8.20 inches
• 177.8 x 124.5 x 208.3 mm
FS-BB1154

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 2.70 x 8.20 inches
• 177.8 x 68.6 x 208.3 mm
FS-BB1154-1

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 3.70 x 8.20 inches
• 177.8 x 94.0 x 208.3 mm
FS-BB1154-2

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 4.90 x 8.20 inches
• 177.8 x 124.5 x 208.3 mm
FS-BB1156

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 2.70 x 8.20 inches
• 177.8 x 68.6 x 208.3 mm
FS-BB1156-1

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 3.70 x 8.20 inches
• 177.8 x 94.0 x 208.3 mm
FS-BB1156-2

Drives:
• Internal Drive Bay : 2.5" HDD x 1.
Dimension:
• 7.00 x 4.90 x 8.20 inches
• 177.8 x 124.5 x 208.3 mm
FS-BB1222-2

Drives:
• Internal Drive Bay : 2.5" HDD x 1

Motherboard Size:
• Accept Standard Size

Dimension:
• 7.51 x 5.64 x 7.43 inches
• 190.8 x 143.3 x 188.7 mm