A Complete List of CPU Sockets

Sockets for the Desktop Market

In the table below, we list all sockets used by CPUs targeted to the desktop market.

Socket Pin Count Release Date Compatible CPUs
Socket 0 168 1989 486 DX
Socket 1 169 NA 486 DX486 DX2486 SX486 SX2
Socket 2 238 NA 486 DX486 DX2486 SX486 SX2Pentium Overdrive
Socket 3 237 NA 486 DX486 DX2486 DX4486 SX486 SX2Pentium Overdrive5x86
Socket 4 273 Mar 1993 Pentium-60 and Pentium-66
Socket 5 320 Mar 1994 Pentium-75 to Pentium-120
Socket 6 235 never released 486 DX486 DX2486 DX4486 SX486 SX2Pentium Overdrive5x86
Socket 7 321 Jun 1995 Pentium-75 to Pentium-200Pentium MMXK5K66x866x86MXMII
Socket Super 7 321 May 1998 K6-2K6-III
Slot 1(SC242) 242 May 1997 Pentium IIPentium III (Cartridge)Celeron SEPP (Cartridge)
Socket 370 370 Aug 1998 Celeron (Socket 370)Pentium III FC-PGACyrix IIIC3
Socket 423(PGA423) 423 Nov 2000 Pentium 4 (Socket 423)
Socket 463 463 1994 Nx586
Socket 478

(mPGA478B)

478 Aug 2001 Pentium 4 (Socket 478)Celeron (Socket 478)Celeron D (Socket 478)Pentium 4 Extreme Edition (Socket 478)
LGA775(Socket T) 775 Aug 2004 Pentium 4 (LGA775)Pentium 4 Extreme Edition (LGA775)Pentium DPentium Extreme EditionCeleron D (LGA 775)Core 2 DuoCore 2 QuadCore 2 ExtremePentium Dual CorePentium E6000 series
LGA1155(Socket H2) 1,155 Jan 2011 Core i3 2000 and 3000 seriesCore i5 2000 and 3000 seriesCore i7 2000 and 3000 seriesPentium G600, G800, and G2000 seriesCeleron G400 and G500 series
LGA1156(Socket H1) 1,156 Sep 2009 Core i3 500 seriesCore i5 600 and 700 seriesCore i7 800 seriesPentium G6900 seriesCeleron G1101
LGA1366(Socket B) 1,366 Sep 2009 Core i7 900 seriesCeleron P1053
LGA2011(Socket R) 2,011 Nov 2011 Core i7 3800 and 3900 series
Slot A 242 Jun 1999 Athlon (Cartridge)
Socket 462(Socket A) 453 Jun 2000 Athlon (Socket 462)Athlon XPAthlon MPDuronSempron (Socket 462)
Socket 754 754 Sep 2003 Athlon 64 (Socket 754)Sempron (Socket 754)
Socket 939 939 Jun 2004 Athlon 64 (Socket 939)Athlon 64 FX (Socket 939)Athlon 64 X2 (Socket 939)Sempron (Socket 939)
Socket 940 940 Sep 2003 Athlon 64 FX (Socket 940)
Socket AM2 940 May 2006 Athlon 64 (Socket AM2)Athlon 64 FX-62Athlon 64 X2 (Socket AM2)Sempron (Socket AM2)
Socket AM2+ 940 Nov 2007 Athlon 64 (Socket AM2/AM2+)Athlon 64 FX-62Athlon 64 X2 (Socket AM2/AM2+)PhenomSempron (Socket AM2)
Socket AM3 941 Apr 2010 Athlon IIPhenom IISempron (Socket AM3)
Socket AM3+ 942 Oct 2011 Athlon IIPhenom IISempron (Socket AM3)FX
Socket F 1,207 Nov 2006 Athlon 64 FX-70, FX-72, and FX-74
Socket FM1 905 Jul 2011 A4, A6, A8, and E2
Socket FM2 904 2012 A4, A6, A8, A10, and E2

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Author: Gabriel Torres

Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.

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