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Home Resource Center CPU Sockets and Slots

CPU Sockets and Slots
September 05 2008

CPU Sockets and Slots

Socket Pins Used by CPU FSB Voltage
Slot 1 or SC242 242 pins (2 rows, rectangular shape) Intel Pentium II (SECC & SECC2, 233-450 MHz), Pentium III (SECC2, 450-1133 MHz), Celeron (SEPP, 233-466 MHz) 66, 100 and 133 MHz 1.65 - 2.80 V
Slot A 242 pins (2 rows, rectangular shape) AMD Athlon (500 - 1000 MHz) 100 - 133 MHz 1.30 - 2.05V
Socket 4 273 pins (21 x 21 PGA grid) Classic Pentium 60/66 5V
Socket 5 320 pins (37 x 37 SPGA grid) Intel Pentium (75 - 133 MHz), Pentium Overdrive (125 - 166 MHz), Pentium Overdrive MMX (125 - 200 MHz), AMD K5 (PR75 - PR200), IDT WinChip (180 - 200 MHz), WinChip-2 (200 - 240 MHz), WinChip-2a (233 MHz) and compatible 50, 60, 66 MHz 3.1 - 3.6V
Socket 7 321 pins (37 x 37 SPGA grid) Pentium MMX (75 - 233 MHz), Fast Classic Pentium, AMD KS, Cyrix M 66 - 83 MHz 2.5 - 3.5V
Super Socket 7 321 pins (37 x 37 SPGA grid) AMD K6-2 (300 MHz – 550 MHz), K6-III, K6-2+, K6-III+, Cyrix MII (PR366/250 MHz – PR433/300 MHz), IDT WinChip 2 (200 MHz – 250 MHz) 95, 97, 100 MHz 2.0 - 2.4V
Slot 2 or SC330 330 pins (2 rows, rectangular shape) Pentium II Xeon (400 - 450 MHz), Pentium III Xeon (500 - 1000 MHz) 100, 133 MHz 1.3 - 3.3V
Socket 370 (PGA 370) 370 pins (37 x 37 SPGA grid) Intel Celeron Mendocino (300 – 533 MHz), Celeron Coppermine (533 – 1100 MHz), Celeron Tualatin (900 – 1400 MHz), Pentium III Coppermine (500 – 1133 MHz), Pentium III Tualatin (1.0 – 1.4 GHz), VIA Cyrix III/C3 (500 – 1200 MHz) 66, 100, 133 MHz 1.05 - 2.1V
Socket 8 387 pins (24 x 26 SPGA grid) Pentium Pro, Pentium II Overdrive 60 - 66 MHz 3.1 or 3.3V
Socket 423 423 pins (39 x 39 SPGA grid) Pentium 4 (1.3 - 2.0 GHz) 100 MHz 1.0 - 1.85V
Socket A or Socket 462 462 pins (SPGA grid, rectangular shape) AMD Athlon (650 – 1400 MHz), Athlon XP (1500+ to 3200+), Duron (600 – 1800 MHz), Sempron (2000+ to 3300+), Athlon MP (1000 MHz to the 3000+), Geode NX (667 – 2200 MHz) 100, 133, 166, 200 MHz 1.1V - 1.85V
Socket 478 478 pins (mPGA grid) Intel Pentium 4 (1.4 - 3.4 GHz), Celeron (1.7 - 2.8 GHz), Celeron D (2.13 - 3.2 GHz), Pentium 4 Extreme Edition (3.2, 3.4 GHz) 400, 533, 800 MHz 1.7V and 1.75V
Socket M 478 pins (mPGA grid) Intel Core Solo, Intel Core Duo, Intel Core 2 Duo (T5x00 and T7x00), Intel Celeron M 533, 667, 800 MHz
Socket 603 603 pins Xeon DP and MP (1.4 - 3 GHz) 400 MHz 1.5V and 1.7V
Socket 754 754 pins (PGA grid) AMD Athlon 64 (2.8 - 3.7 GHz), Sempron (2.5 GHz), Turion 64, AMD Mobile Athlon 64 (2.8 - 4.0 GHz 200 MHz (800 MHz HyperTransport) 0.8V - 1.55V
Socket LGA 775 (Socket T) 755 pins (LGA grid) Intel Pentium 4 (2.66 - 3.80 GHz), Celeron D (2.53 - 3.60 GHz ), Pentium 4 Extreme Edition (3.20 - 3.73 GHz), Pentium D (2.66 - 3.60 GHz), Pentium Extreme Edition (3.20 - 3.73 GHz), Pentium Dual-Core (1.40 - 2.50 GHz), Core 2 Duo (1.60 - 3.33 GHz), Core 2 Extreme (2.66 - 3.20 GHz), Core 2 Quad (2.33 - 3.00 GHz), Xeon (1.86-3.40 GHz), 'Core' Celeron (1.60 - 2.00 GHz) 533, 800, 1066, 1333, 1600 MHz
Socket 939 939 pins (PGA grid) AMD Athlon 64 (3000+ to 4000+), Athlon 64 FX (51 to 60), Athlon 64 X2 (3600+ to 4800+), Some AMD Opteron 1xx series, Some Sempron 3x00+ (Step E3, E6) 200 MHz (1 GHz HyperTransport) 0.8V to 1.55V
Socket 940 940 pins (PGA grid) AMD Athlon 64 FX, Opteron 200 MHz (800, 1000 MHz HyperTransport) 0.8V to 1.55V
Socket AM2 940 pins (PGA grid) AMD Athlon 64, Athlon 64 X2, Athlon 64 FX, Opteron, Sempron, Phenom 200 MHz (1 GHz HyperTransport)
Socket AM2+ 940 pins (PGA grid) AMD Athlon 64, Athlon 64 X2, Opteron, Phenom II X4, Phenom X4, Phenom X3, Phenom X2 200 MHz (up to 2.6 GHz HyperTransport)
Socket AM3 941 pins (PGA grid) AMD Phenom II (excluding 940 and 920) 200 MHz (up to 3.2 GHz HyperTransport)
Socket LGA 1336 (Socket B) 1366 pins (LGA grid) Intel Core i7 (2.66 - 3.33 GHz), Intel Xeon (5500 series) 1x to 2x Intel QuickPath