Dell Precision R5500 (Early 2011) - Manual (Page 92)

Network
Integrated two Broadcom BCM5761 Gigabit Ethernet controllers with
support for teaming.
Expansion Bus
Bus type: PCI Express 2.0
PCI 2.3
SATA 1.0 and 2.0
USB 2.0
Bus speed: PCI: 133 MB/s
PCI Express:
• x4-slot bidirectional speed - 2 GB/s
• x8-slots bidirectional speed - 4 GB/s
• x16-slots bidirectional speed - 8 GB/s
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps high speed, 12 Mbps full speed, 1.2 Mbps
low speed
Card Slots
Outer Riser:
Slot 1 PCI Express x8/x16 electrical/mechanical, full-height, full-
length
Slot 2 PCI Express x16 electrical and mechanical, full-height,
full-length
Slot 3 N/A
Slot 4 PCI Express x16 electrical and mechanical, full-height,
full-length
Center Riser Option 1:
Slot 5 PCI 32b, 5V, full-height, full-length
Slot 6 PCI Express x16 electrical and mechanical, full-height,
full-length
Center Riser Option 2:
Slot 5 PCI Express x8/x16 electrical/mechanical, full-height, full-
length
Slot 6 PCI Express x16 electrical and mechanical, full-height,
full-length
Rear IO:
Slot 7 PCI Express x4/x8 electrical/mechanical, half-height, half-
length
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