Buses and Ports

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Standards Org Name Interface Form factor Voltage Throughput Power management Hotplugging
PCI-SIG PCI Express 1.x 2x11 pin (fixed) + 2x7 pin (lane 0) (1x, 18 pin)

+ 2x14 pin (lanes 1--3) (4x, 32 pin) + 2x17 pin (lanes 4--7) (8x, 49 pin) + 2x33 pin (lanes 8--15) (16x, 82 pin)

8.8mm x 11.25mm x 25mm (1x)

39mm (4x) 56mm (8x) 89mm (16x)

1.5V
PCI-SIG PCI Express 2.x
PCI-SIG PCI Express 3.0
PCMCIA Cardbus-16
PCMCIA Cardbus-32
PCMCIA ExpressCard 26 pin @ 34mm 34mm and 54mm x

75mm x 5mm

1.5 and 3.3V 480Mbit/s (USB 2.0), 2.0Gbit/s (PCIe x1 1.0), 2.5Gbit/s (PCIe x1 2.0) Yes Yes

Standards Organizations

  • PCMCIA: Personal Computer Memory Card International Association (dissolved)