Essentials
Product CollectionIntel® Xeon® Processor E3 FamilyCode NameProducts formerly Sandy BridgeVertical SegmentServerProcessor NumberE3-1220StatusDiscontinuedLaunch DateQ2'11Lithography32 nm
Performance
# of Cores4# of Threads4Processor Base Frequency3.10 GHzMax Turbo Frequency3.40 GHzCache8 MB SmartCacheBus Speed5 GT/s DMITDP80 W
Memory Specifications
Max Memory Size (dependent on memory type)32 GBMemory TypesDDR3 1066/1333Max # of Memory Channels2Max Memory Bandwidth21 GB/sECC Memory Supported ‡Yes
Processor Graphics
Intel® Quick Sync VideoNoIntel® InTru™ 3D TechnologyNoIntel® Flexible Display Interface (Intel® FDI)NoIntel® Clear Video HD TechnologyNo
Expansion Options
PCI Express Revision2.0Max # of PCI Express Lanes20
Package Specifications
Sockets SupportedLGA1155Max CPU Configuration1TCASE69.1°CPackage Size37.5mm x 37.5mmLow Halogen Options AvailableSee MDDS
Advanced Technologies
Intel® Turbo Boost Technology ‡2.0Intel® vPro™ Platform Eligibility ‡YesIntel® Hyper-Threading Technology ‡NoIntel® Virtualization Technology (VT-x) ‡YesIntel® Virtualization Technology for Directed I/O (VT-d) ‡YesIntel® VT-x with Extended Page Tables (EPT) ‡YesIntel® 64 ‡YesInstruction Set64-bitInstruction Set ExtensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXIdle StatesYesEnhanced Intel SpeedStep® TechnologyYesIntel® Demand Based SwitchingYesThermal Monitoring TechnologiesYesIntel® Fast Memory AccessYesIntel® Flex Memory AccessYesIntel® Identity Protection Technology ‡Yes
Security & Reliability
Intel® AES New InstructionsYesIntel® Trusted Execution Technology ‡YesExecute Disable Bit ‡Yes
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