1155 LGA

• Intel brand
• Introduced 2011
• AKA Socket H2
• Used in Pentium4, Celeron, Core i3, Core i5, Core i7, Core i7 Extreme, and Xeon Processors

1156 LGA

• Intel
• Aka Socket H or H1
• Introduced 2009
• First to Integrate Northbridge onto chip itself
• Used in Pentium 4, Celeron, Core i3, Core i5, Core i7, and Xeon processors

2011 LGA

• Intel
• AKA Socket R
• Introduced in 2011
• usu. found in high-end desktops and servers
• Used with Enthusiast and Ceon class processors

1150 LGA

• Intel
• AKA Socket H3
• Introduced 2013
• Haswell and Broadwell microarchitechtures

1366 LGA

• Intel
• AKA Socket B
• Introduced 2008
• Core i7 processors

775 LGA 

• Intel
• AKA Socket T
• Introduced 2002
• Used with Core 2 Duo, Xeon, Celeron, Pentium 4 processors

Who makes the Socket T processor and how many pins does it have?

Intel, 775 Pins