List of computer bus interfaces

This is a partial list of expansion bus interfaces, or expansion card slots, for installation of expansion cards.

Bus interfaces

Interface name	Year introduced	Connector	Max transfer	Main use	Notes
CAMAC	1972			Processor independent	Industry use.
S-100	1974	2×50 2.54 mm card edge		Designed around Intel 8080 but used with other processors too	Homebrew and industry use.
VME	1981	DIN 41612	10 MByte/s	Motorola 68000 based	Industry use.
STEbus	1983	DIN 41612 a+c rows	?	Processor independent based	Industrial quality bus, 8-bit data / 20-bit address. Eurocard sized.
Acorn system bus	1979	DIN 41612 a+b rows	?	6502 based	8-bit data / 16-bit address.
ISA-8	1981[1]	2×31 2.54 mm	1.99 MByte/s[2]	IBM PC	Widespread.
ISA-16	1984[3]	2×31 + 2×18 2.54 mm	3.97 MByte/s[4]	IBM AT	Widespread.
Amiga Zorro II	1985[5]	2×50 2.54 mm	3.56 MByte/s	Amiga	Auto configuration.
EISA	1988[6]		20 MByte/s	IBM clones	32-bit version of ISA-16 more or less.
NuBus	1987		40 MByte/s	NeXT, Macintosh II
Amiga Zorro III	1990[7]	2×50 2.54 mm	150 MByte/s	Amiga	Multiplexed 32-bit.
PDS	1990			Macintosh LC
PCI-32/33	1993[8]		133 MByte/s		Widespread.
PCI Express	2004[9]		250 MByte/s		P2P highspeed PCI.
VPX	2004[10]	MultiGig RT2[11]	?	Provides VMEbus-based systems with support for switched fabrics. Designed specifically with defense applications in mind. Working group is OpenVPX.	VPX computer bus standard - V -VME and P -PCI and X the extents for both buses standards.
VXI	1987[12]		160 MByte/s[13]	Multivendor standard for automated testing expansion cards. Working group is VXIConsortium.

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