Socket J

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Socket J (LGA 771)
Specifications
Type LGA
Chip form factors Flip-chip land grid array
Contacts 771
Bus Protocol
FSB 667 MT/s, 1066 MT/s, 1333 MT/s
Voltage range
Processors Intel Dual-Core Xeon 5xxx

Intel Quad-Core Xeon E/X5xxx


This article is part of the CPU socket series


Socket J, also known as LGA 771, is a CPU interface introduced by Intel in 2006. It is used in Intel's most recent DP-capable server processors, the Dual-Core Xeons codenamed "Dempsey" and "Woodcrest".

As its name implies, it is a land grid array with 771 contacts. The "J" in "Socket J" refers to the now-cancelled processor codenamed "Jayhawk", which was expected to debut alongside this interface. It is intended as a successor to Socket 604 and takes much of its design from LGA 775.


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