Dell NX046 manual Ports and Connectors, Usb

Expansion

PCI Express x8 wired as x4 (SLOT1_PCIE)

connectors

one x8 (supports x8, x4, and x1 modes/cards; maximum x4 link width)

connector size	98 pins
connector data width (maximum)	4 PCI Express lanes
bus transfer rate	2.5 GB/s/lane/direction (raw bandwidth)
PCI Express 2.0 x16
connector	two x16 slots (support x16, x8, x4 and x1
	modes/cards)
connector size	164 pins
connector data width (maximum)	16 PCI Express lanes
bus transfer rate	5 GB/s/lane/direction (raw bandwidth)
Ports and Connectors
External connectors
Serial	two 9-pin connectors; 16550C-compatible
Parallel	25-hole connector (bidirectional)
IEEE 1394 (optional)	one front-panel 6-pin connector and one
	rear panel 6-pin connector
Network adapter	RJ45 connector
PS/2 (keyboard and mouse)	two 6-pin mini-DIN
USB	two front-panel and five back-panel USB
	2.0–compliant connectors
Audio	two front-panel connectors for microphone
	and headphones;
	two back-panel connectors for line-in and
	line-out
System board connectors
Floppy drive	34-pin connector

About Your Computer

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