Type OF Processor Socket

Socket 370 S

Socket AMD 940

Socket 604

PAC 418-2

Slot 1

Socket 3

Socket 1

Socket 2

Socket 5

List of Sockets and slots

Socket name	Year of introduction	Year of EOL	CPU families	Package	Pin count	Pin pitch	Bus speed	Notes
DIP	1970s	Still available	Intel 8086 Intel 8088	DIP	40	2.54mm	5/10 MHz
PLCC	?	Still available	Intel 80186 Intel 80286 Intel 80386	PLCC	68, 132	1.27mm	6-40 MHz
Socket 1	1989	?	Intel 80486	PGA	169	?	16-50 MHz
Socket 2	?	?	Intel 80486	PGA	238	?	16-50 MHz
Socket 3	1991	?	Intel 80486	PGA	237	?	16-50 MHz
Socket 4	?	?	Intel Pentium	PGA	273	?	60-66 MHz
Socket 5	?	?	Intel Pentium AMD K5 IDT WinChip C6 IDT WinChip 2	PGA	320	?	50-66 MHz
Socket 6	?	?	Intel 80486	PGA	235	?	?
Socket 7	1994	?	Intel Pentium Intel Pentium MMX AMD K6	PGA	321	?	50-66 MHz
Super Socket 7	1998	?	AMD K6-2 AMD AMD K6-III Rise mP6 Cyrix MII	PGA	321	?	66-100 MHz
Socket 8	1995	?	Intel Pentium Pro	PGA	387	?	60-66 MHz
Slot 1	1997	?	Intel Pentium II Intel Pentium III	Slot	242	?	66-133 MHz	Celeron (Covington, Mendocino) Pentium II (Klamath) Pentium III (Katmai)- all versions Pentium III (coppermine)
Slot 2	1998	?	Intel Pentium II Xeon	Slot	330	?	100-133 MHz
Socket 463/ Socket NexGen	?	?	NexGen Nx586	PGA	463	?	?
Socket 499	?	?	Alpha 21164A	Slot	587	?	?
Slot A	1999	?	AMD Athlon	Slot	242	?	100 MHz
Slot B	?	?	Alpha 21264	Slot	587	?	?
Socket 370	1999	?	Intel Pentium III Intel Celeron VIA Cyrix III VIA C3	PGA	370	1.27mm[2]	66-133 MHz
Socket 462/ Socket A	2000	?	AMD Athlon AMD Duron AMD Athlon XP AMD Athlon XP-M AMD Athlon MP AMD Sempron	PGA	462	?	100-200 MHz This is a double data rate bus having a 400 MT/s (megatransfers/second) fsb in the later models
Socket 423	2000	?	Intel Pentium 4	PGA	423	1mm[3]	400 MT/s (100 MHz)	Willamette core only
Socket 478/ Socket N	2000	?	Intel Pentium 4 Intel Celeron Intel Pentium 4 EE Intel Pentium 4 M	PGA	478	1.27mm[4]	400-800 MT/s (100-200 MHz)
Socket 495	2000	?	Intel Celeron	PGA	495	1.27mm[5]	?
PAC418	2001	?	Intel Itanium	PGA	418	?	133 MHz
Socket 603	2001	?	Intel Xeon	PGA	603	1.27mm[6]	400-533 MT/s (100-133 MHz)
PAC611	2002	?	Intel Itanium 2 HP PA-8800, PA-8900	PGA	611	?	?
Socket 604	2002	?	Intel Xeon	PGA	604	1.27mm[6]	400-1066 MT/s (100-266 MHz)
Socket 754	2003	?	AMD Athlon 64 AMD Sempron AMD Turion 64	PGA	754	1.27mm[7]	200-800 MHz
Socket 940	2003	?	AMD Opteron Athlon 64 FX	PGA	940	1.27mm[8]	200-1000 MHz
Socket 479	2003	?	Intel Pentium M Intel Celeron M	PGA	479[9]	?	400-533 MT/s (100-133 MHz)
Socket 939	2004	11/2008	AMD Athlon 64 AMD Athlon 64 FX AMD Athlon 64 X2 AMD Opteron	PGA	939	1.27mm[8]	200-1000 MHz	Support of Athlon 64 FX to 1 GHz Support of Opteron limited to 100-series only
LGA 775/ Socket T	2004	?	Intel Pentium 4 Intel Pentium D Intel Celeron Intel Celeron D Intel Pentium XE Intel Core 2 Duo Intel Core 2 Quad Intel Xeon	LGA	775	1.09mm x 1.17mm[10]	1600 MHz
Socket 563	?	?	AMD Athlon XP-M	PGA	563	?	?
Socket M	2006	?	Intel Core Solo Intel Core Duo Intel Dual-Core Xeon Intel Core 2 Duo	PGA	478	?	533 - 667 MT/s (133-166 MHz)	For notebook platform Replaces Socket 479
LGA 771/ Socket J	2006	?	Intel Xeon	LGA	771	1.09mm x 1.17mm[11]	1600 MHz
Socket S1	2006	?	AMD Turion 64 X2	PGA	638	1.27mm[12]	200-800 MHz
Socket AM2	2006	?	AMD Athlon 64 AMD Athlon 64 X2	PGA	940	1.27mm[8]	200-1000 MHz	Replaces Socket 754 and Socket 939
Socket F	2006	?	AMD Athlon 64 FX AMD Opteron	LGA	1207	1.1mm[13]	?	Replaces Socket 940
Socket AM2+	2007	?	AMD Athlon 64 AMD Athlon X2 AMD Phenom	PGA	940	1.27mm[8]	200-2600 MHz	Separated power planes Replaces Socket AM2 AM2+ Pkg. CPUs can work in Socket AM2 AM2 Pkg. CPUs can work in Socket AM2+
Socket P	2007	?	Intel Core 2	PGA	478		533-1066 MT/s (133-266 MHz)	For notebook platform Replaces Socket M
Socket 441	2008	?	Intel Atom	PGA	441	?	400-667 MHz
LGA 1366/ Socket B	2008	?	Intel Core i7 (900 series)	LGA	1366		4.8-6.4 GT/s	Replaces server-oriented Socket J (LGA 771) in the entry level.
Socket AM3	2009	?	AMD Phenom II AMD Athlon II AMD Sempron	PGA	941[14]	1.27mm[8]	200-3200 MHz	Separated power planes Replaces Socket AM2+ AM3 Pkg. CPUs can work in Socket AM2/AM2+ Sempron 140 Only
LGA 1156/ Socket H	2009	?	Intel Core i7 (800 series) Intel Core i5 (700, 600 series) Intel Core i3 (500 series) Intel Xeon (X3400, L3400 series) Intel Pentium (G6000 series) Intel Celeron (G1000 series)	LGA	1156	?	2.5 GT/s	DMI bus is a (perhaps modified) PCI-E x4 v1.1 interface
Socket G34	2010	?	AMD Opteron (6000 series)	LGA	1974	?	200-3200 MHz	Replaces Socket F
Socket C32	2010	?	AMD Opteron (4000 series)	LGA	1207	?	200-3200 MHz	Replaces Socket F, Socket AM3
LGA 1155/ Socket H2	Future (2011/Q1)	?	Intel Sandy Bridge-DT	LGA	1155	?	2.5 GT/s	Supports 20 PCI-E 2.0 lanes.
LGA 2011/ Socket R	Future (2011/Q3)	?	Intel Sandy Bridge B2	LGA	2011	?	4.8-6.4 GT/s	Supports 40 PCI-E 3.0 lanes.
Socket name	Year of introduction	Year of EOL	CPU families	Package	Pin count	Pin pitch	Bus speed	Notes