Dell Inspiron 570 Comprehensive Specifications - Page 3

System Board Connectors (continued) Front audio connector one 9-pin connector for 2-channel stereo sound and microphone SATA four 7-pin connectors External Connectors Network adapter USB Audio Video one RJ45 connector two front panel and four back-panel USB 2.0-compliant connectors front panel - one headphone and one microphone connector back panel - six connectors for 7.1 channel support one 15-pin VGA connector and one 19-pin HDMI connector Communications Wireless (optional) Modem (optional) PCI Express WiFi card supporting 802.11a/b/g/n PCI modem Expansion Slots PCI Connectors one Connector size 124-pin Connector data width (maximum) 32 bit Bus speed 33 MHz PCI Express x16 Connectors one Connector size 164-pin Connector data width (maximum) 16 PCI Express lanes Bus speed 16 GB/s (bi-directional)