XEON E3-1220 3.1Ghz Socket 1155 BOXED
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| Model number | E3-1220 | | CPU part numbers | BX80623E31220 | | Frequency (MHz) | 3100 | | Turbo frequency (MHz) | 3400 (1 core)
3300 (2 or 3 cores)
3200 (4 cores) | | Bus speed (MHz) | 5 GT/s DMI | | Clock multiplier | 31 | | Package | 1155-land Flip-Chip Land Grid Array (FCLGA 1155) | | Socket | Socket 1155 (Socket H2) |
| Microarchitecture | Sandy Bridge | | Platform | Bromolow | | Processor core | Sandy Bridge | | Core stepping | D2 (SR00F) | | CPUID | 206A7 (SR00F) | | Manufacturing process | 0.032 micron High-K metal gate process | | Data width | 64 bit | | Number of cores | 4 | | Floating Point Unit | Integrated | | Level 1 cache size | 4 x 32 KB instruction cache
4 x 32 KB data cache | | Level 2 cache size | 4 x 256 KB | | Level 3 cache size | 8 MB | | Physical memory (GB) | 32 | | Multiprocessing | Uniprocessor | | Features | - MMX instruction set
- SSE
- SSE2
- SSE3
- Supplemental SSE3
- SSE4.1
- SSE4.2
- AES instructions
- Advanced Vector Extensions
- Extended Memory 64 technology (EM64T)
- Execute disable bit
- Virtualization technology (VT-x / VT-d)
- Turbo Boost technology 2.0
- Trusted Execution technology
| | Low power features | - C1, C3 and C6 thread states
- C1/C1E, C3 and C6 core states
- C1/C1E, C3 and C6 package states
- Enhanced SpeedStep technology
| | On-chip peripherals | - Dual-channel DDR3 memory controller
- Direct Media Interface 2.0
- PCI Express 2.0 interface
| | | | Electrical/Thermal parameters | | Minimum/Maximum operating temperature (°C) | 5 - 69.1 | | Minimum power dissipation (W) | 5.5 (C6 state) | | Thermal Design Power (W) | 80 | | |
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