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Intel Xeon MP L7555 - AT80604004875AA information

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Type:CPU Manufacturer:Intel
family:Xeon microprocessors:Xeon 7500
Type CPU / Microprocessor
Market segment Server
Family Intel Xeon 7500
Model number    L7555
CPU part number
  • AT80604004875AA is an OEM/tray microprocessor
Frequency    1867 MHz
Turbo frequency 2533 MHz (2 cores)
2000 MHz (8 cores)
Bus speed    5.86 GT/s QPI (2933 MHz)
Package 1567-land Flip-Chip Land Grid Array (FC-LGA8)
Socket Socket 1567 (LGA1567)
Introduction date Mar 30, 2010
End-of-Life date Last order date is December 28, 2012
Last shipment date for tray processors is June 5, 2015
Price at introduction $3157
S-spec numbers
  ES/QS processors Production processors
Part number Q3K2 Q3X8 Q3X9 SLBRF
AT80604004875AA + + + +
Architecture / Microarchitecture
Microarchitecture Nehalem
Platform Boxboro-EX
Processor core    Beckton
Core stepping    D0 (Q3X9, SLBRF)
CPUID 206E6 (SLBRF)
Manufacturing process 0.045 micron
Data width 64 bit
The number of cores 8
The number of threads 16
Floating Point Unit Integrated
Level 1 cache size    8 x 32 KB instruction caches
8 x 32 KB data caches
Level 2 cache size    8 x 256 KB
Level 3 cache size 24 MB 24-way set associative inclusive shared cache
Physical memory 256 GB (per socket)
Multiprocessing Up to 8 processors
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   
  • EM64T / Extended Memory 64 technology / Intel 64   
  • VT-x / Virtualization technology   
  • VT-d / Virtualization for directed I/O
  • NX / XD / Execute disable bit   
  • RAS with Machine Check Architecture recovery
  • HT / Hyper-Threading technology   
  • TBT / Turbo Boost technology   
Low power features
  • Thread C1/C1E and C3 states
  • Core C1/C1E and C3 states
  • Package C1 and C3 states
  • Enhanced SpeedStep technology   
Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 2
Memory channels per controller: 2
Supported memory: DDR3-800, DDR3-978
DIMMs per channel: 4
Other peripherals
  • Quick Path Interconnect (4 links)
  • PCI Express 2.0 interface
Electrical / Thermal parameters
V core    0.675V - 1.35V
Maximum operating temperature    70°C
Thermal Design Power    95 Watt
Notes on Intel Xeon L7555
  • DDR3-1066 memory is supported, however it operates at 978 MHz


other microprocessors
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Intel Xeon MP E7540 - AT80604004878AA / BX80604E7540 Intel Xeon MP X7542 - AT80604005280AA
Intel Xeon MP X7550 - AT80604004872AA / BX80604X7550 Intel Xeon MP X7560 - AT80604004869AA / BX80604X7560
Intel Xeon E7-4807 - AT80615006432AB Intel Xeon E7-4820 - AT80615005772AC
Intel Xeon E7-4830 - AT80615007089AA / BX80615E74830 Intel Xeon E7-4850 - AT80615007449AA
Intel Xeon E7-4860 - AT80615007254AA Intel Xeon E7-4870 - AT80615007263AA / BX80615E74870

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