Dell bpcwcsn_5 User's Guide - Page 107

Expansion Bus Default: no 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) Optional: full-height PCI Express riser-card cage low-profile cards supported two low profile 124 pins 32 bits one x16 low profile 25 W maximum 164 pins (x16) 16 PCI Express lanes (x16) low-profile and full-height cards supported Drives Externally accessible Internally accessible one 3.5-inch drive one bay for optical drive or optional second hard drive, supporting up to two 3.5-inch hard drives one bay for a 1-inch-high hard drive Connectors External connectors: Serial 9-pin connector; 16550C-compatible Parallel 25-hole connector (bidirectional) Video 15-hole VGA connector Network adapter RJ45 connector Optional PS/2 with secondary serial two 6-pin mini-DINs port adapter NOTE: This option uses one of the PCI slots. Optional DVI 36-pin connector NOTE: This option uses one of the PCI slots. Desktop Computer 107