Dell Vostro 270 Owner's Manual page 48

System Information
Chipset
BIOS chip (NVRAM)
Expansion Bus
Bus type
Bus speed:
PCI Express
SATA
USB 2.0
USB 3.0
Cards
PCIe x16
PCIe x1
Drives
Externally accessible:
5.25 inch drive bays
Internally accessible:
3.5 inch drive bays
External Connectors
Audio:
Back panel
Front Panel
Network
USB:
Front panel
Back panel
48
Intel B75
64 Mb
• PCI Express 2.0
• SATA 1.0 and 2.0
• USB 2.0
• USB 3.0
• 19-in-1 media card reader (optional)
• PCI Express x1-slot (includes mini PCI-Express)
support speed – 500 Mbps (Gen 1/2)
• PCI Express x16-slot support speed – 8 Gbps (Gen
1/2/3)
1.5/3.0/6.0 Gbps
480 Mbps
5 Gbps
one full-height card
up to three full-height cards
two
two
three connectors
two front-panel connectors for headphone and microphone
one RJ45 connector
two USB 2.0 connectors
• four USB 3.0 connectors