Dell Studio XPS DCRM Setup Manual page 64

Specifications
Communication
Wireless Wi‑Fi/Bluetooth
(optional) technology
Modem PCI modem
(optional)
Video
Discrete PCI Express x16 card
up to 300 W
Audio
Type integrated 7.1 channel,
High Definition audio with
S/PDIF support
62
Expansion Slots
wireless PCI
®
PCI Express x1
PCI Express x8
PCI Express x16
one 124‑pin connector
three 36‑pin connectors
one 98‑pin connector
one 164‑pin connector