Dell YT583 manual Ports and Connectors, Video

Expansion

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	5.0 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	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
SAS/Serial ATA HDD	four 7-pin connectors
Serial ATA	three 7-pin connectors
Internal USB	one 10-pin connector for optional Media
	Card Reader (3.5-inch bay device or secure
	boot device)
Video
Video type	PCI Express 2.0 x16 (two slots)

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