Dell Vostro A100 Setup And Quick Reference Manual page 23

Expansion Bus (Continued)
PCI Express x1
connector size
connector data width
(maximum)
PCI Express x16
connector size
connector data width
(maximum)
Drives
Externally accessible:
Internally accessible
Vostro A100
N/A
N/A
N/A
N/A
N/A
N/A
Vostro A100
two 3.5-inch drive bays
four 3.5-inch SATA drive bays
Vostro A180
one
36 pins
1 PCI Express lane
one
164 pins
16 PCI Express lanes
Vostro A180
two 3.5-inch drive bays
four 3.5-inch SATA drive bays
Specifications
23