Dell GX620 - 3.6GHz Desktop 1GB RAM 80GB Windows XP SFF User Manual page 107

Expansion Bus
connector data width (maximum) 16 PCI Express lanes (x16)
Optional: full-height PCI Express riser-
card cage
PCI
connectors
card size
connector size
connector data width
(maximum)
PCI Express
connectors
card size
power
connector size
connector data width (maximum) 16 PCI Express lanes (x16)
Optional: full-height PCI riser-card
cage
PCI
connectors
card size
connector size
connector data width
(maximum)
Drives
Externally accessible
Internally accessible
Connectors
External connectors:
Serial
Parallel
low-profile and full-height cards supported
two
one low-profile card and one full-height card
120 pins
32 bits
one x16
full-height
25 W maximum
120 pins (x16)
low-profile and full-height cards supported
three
one low-profile card and two full-height cards
120 pins
32 bits
one 3.5-inch drive
one bay for CD/DVD or optional second hard drive
one bay for a 1-inch-high hard drive
9-pin connector; 16550C-compatible
25-hole connector (bidirectional)
107