| Type |
CPU / Microprocessor |
| Market segment |
Server |
| Family |
Intel Xeon E3-1200 |
| Model number |
E3-1280 |
| CPU part numbers |
- CM8062307261903 is an OEM/tray microprocessor
- BX80623E31280 is a boxed microprocessor
|
| Frequency |
3500 MHz |
| Turbo frequency |
3900 MHz (1 core)
3800 MHz (2 cores)
3700 MHz (3 cores)
3600 MHz (4 cores) |
| Bus speed |
5 GT/s DMI |
| Clock multiplier |
35 |
| Package |
1155-land Flip-Chip Land Grid Array (FCLGA 1155) |
| Socket |
Socket 1155 / H2 / LGA1155 |
| Size |
1.48" x 1.48" / 3.75cm x 3.75cm |
| Introduction date |
Apr 3, 2011 |
| End-of-Life date |
Last order date is December 27, 2013
Last shipment date for tray processors is December 5, 2014 |
| Price at introduction |
$612 |
| S-spec numbers |
| |
ES/QS processors |
Production processors |
| Part number |
Q1HY |
SR00R |
| BX80623E31280 |
|
+ |
| CM8062307261903 |
+ |
+ | |
| Architecture / Microarchitecture |
| Microarchitecture |
Sandy Bridge |
| Platform |
Bromolow |
| Processor core |
Sandy Bridge |
| Core stepping |
D2 (Q1HY, SR00R) |
| CPUID |
206A7 (SR00R) |
| Manufacturing process |
0.032 micron High-K metal gate process |
| Data width |
64 bit |
| The number of cores |
4 |
| The number of threads |
8 |
| Floating Point Unit |
Integrated |
| Level 1 cache size |
4 x 32 KB 8-way set associative instruction caches
4 x 32 KB 8-way set associative data caches |
| Level 2 cache size |
4 x 256 KB 8-way set associative caches |
| Level 3 cache size |
8 MB 16-way set associative shared cache |
| Physical memory |
32 GB |
| Multiprocessing |
Uniprocessor |
| Features |
- MMX instructions
- SSE / Streaming SIMD Extensions
- SSE2 / Streaming SIMD Extensions 2
- SSE3 / Streaming SIMD Extensions 3
- SSSE3 / Supplemental Streaming SIMD Extensions 3
- SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4
- AES / Advanced Encryption Standard instructions
- AVX / Advanced Vector Extensions
- EM64T / Extended Memory 64 technology / Intel 64
- NX / XD / Execute disable bit
- HT / Hyper-Threading technology
- VT-x / Virtualization technology
- VT-d / Virtualization for directed I/O
- TBT 2.0 / Turbo Boost technology 2.0
- TXT / 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
|
| Integrated peripherals / components |
| Integrated graphics |
None |
| Memory controller |
The number of controllers: 1
Memory channels: 2
Supported memory: DDR3-1066, DDR3-1333
Maximum memory bandwidth (GB/s): 21.3
ECC supported: Yes |
| Other peripherals |
- Direct Media Interface 2.0
- PCI Express 2.0 interface
|
| Electrical / Thermal parameters |
| Minimum/Maximum operating temperature |
5°C - 73.6°C |
| Minimum power dissipation |
5.5 Watt (C6 state) |
| Thermal Design Power |
95 Watt |
| Notes on Intel Xeon E3-1280 |
- The processor has the following security, data protection and/or software features: Intel vPro technology and Identity Protection technology.
|
