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Technical Information

Processor Manufacturer:  Intel

Processor Core:  Quad-core (4 Core)

Clock Speed:  3.50GHz

QuickPath Interconnect:  5 GT/s

L1 Cache:  256 KB

L2 Cache:  1MB

L3 Cache:  8MB

64-bit Processing:  Yes

Process Technology:  32 nm Processor

Technology: 

TURBO BOOST TECHNOLOGY SUPPORT: 2.0 
vPRO TECHNOLOGY SUPPORT 
VIRTUALIZATION TECHNOLOGY SUPPORT 
VIRTUALIZATION TECHNOLOGY FOR DIRECT I/O SUPPORT
TRUSTED EXECUTION TECHNOLOGY SUPPORT
ADVANCED ENCRYPTION STANDARD SUPPORT
64 BIT SUPPORT
IDLE STATES SUPPORT 
ENHANCED INTEL SPEEDSTEP TECHNOLOGY SUPPORT
DEMAND BASED SWITCHING TECHNOLOGY SUPPORT
THERMAL MONITORING TECHNOLOGY SUPPORT 
FAST MEMORY ACCESS SUPPORT
FLEX MEMORY ACCESS SUPPORT
EXECUTE DISABLE SUPPORT

Processor Socket:  Socket R LGA-1155

Warranty 1 Year

http://ark.intel.com/products/52278/Intel-Xeon-Processor-E3-1280-8M-Cache-3_50-GHz?q=E3-1280