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Intel Xeon W3520 - AT80601000741AB (BX80601W3520)

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Intel Xeon W3520 specifications

General information
TypeCPU / Microprocessor
Market segmentServer
FamilyIntel Xeon 3500
Model number  ? W3520
CPU part numbers
  • AT80601000741AB is an OEM/tray microprocessor
  • BX80601W3520 is a boxed microprocessor
Frequency  ? 2667 MHz
Turbo frequency2933 MHz (1 core)
2800 MHz (4 cores)
Bus speed  ? 4.8 GT/s QPI (2400 MHz)
Clock multiplier  ? 20
Package1366-land Flip-Chip Land Grid Array (FC-LGA8)
SocketSocket 1366 / B / LGA1366
Size1.77" x 1.67" / 4.5cm x 4.25cm
Introduction dateMar 29, 2009
End-of-Life dateLast order date is September 27, 2013
Last shipment date for tray processors is September 5, 2014
Price at introduction$284
 
S-spec numbers
  ES/QS processors Production processors
Part number Q1DU Q1HN SLBEW
AT80601000741AB+++
 
Architecture / Microarchitecture
MicroarchitectureNehalem
PlatformTylersburg-WS
Processor core  ? Nehalem-WS
Core steppings  ? C0 (Q1DU)
D0 (Q1HN, SLBEW)
CPUID106A5 (SLBEW)
Manufacturing process0.045 micron
731 million transistors
Die size263mm2
Data width64 bit
The number of cores4
The number of threads8
Floating Point UnitIntegrated
Level 1 cache size  ? 4 x 32 KB instruction caches
4 x 32 KB data caches
Level 2 cache size  ? 4 x 256 KB
Level 3 cache size8 MB
Physical memory24 GB
MultiprocessingUniprocessor
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  ? 
  • NX / XD / Execute disable bit  ? 
  • HT / Hyper-Threading technology  ? 
  • VT-x / Virtualization technology  ? 
  • TBT / Turbo Boost technology  ? 
Low power features
  • Thread C1/C1E, C3 and C6 states
  • Core C1/C1E, C3 and C6 states
  • Package C1/C1E, C3 and C6 states
  • Enhanced SpeedStep technology  ? 
 
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 3
    Supported memory: DDR3-800, DDR3-1066
    Maximum memory bandwidth (GB/s): 25.6
    ECC supported: Yes
Other peripheralsQuick Path Interconnect (1 link)
 
Electrical / Thermal parameters
V core  ? 0.8V - 1.375V
Minimum/Maximum operating temperature  ? 5°C - 67.9°C
Minimum/Maximum power dissipation  ? 15 Watt (TDP in C6 state) / 224.42 Watt
Thermal Design Power  ? 130 Watt
 

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Historical price chart

The chart below shows official prices of Intel Xeon W3520 and W3530 processors:

Historical official prices of Xeon W3520 and W3530 processors

FAQ

Q: Can I upgrade my Intel W3520 CPU?
A: Probably yes. Processor compatibility is determined by your motherboard. Please check CPU-Upgrade.com resource for CPU support list for your board.

Xeon W3520 Overclocking

Sorry, overclocking information is not available at this time.


Related news stories

Intel discontinues Xeon 3500 and 3600 server processors
Mar 05, 2013: Intel today announced discontinuation of all Xeon 3500- and 3600- series processors for one-way workstations. Xeon 3500 series was built on Nehalem microarchitecture, had up to 4 cores, and supported Hyper-Threading and Turbo Boost technologies. Xeon 36xx microprocessors used Westmere (enhanced Nehalem) architecture, and they added 2 CPU cores, larger L3 cache and support for AES instructions.



CPU ID information for the Xeon W3520

Our CPUID database contains 2 records for this microprocessor. See all submitted records.

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NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the Intel Xeon W3520 CPU.

Manufacturer:Intel
CPU Family:Xeon
Processor Number:W3520
Frequency:2666 MHz
Part number:
AT80601000741AB
S-Spec Number:
Comment:OEM part of HP Z400 Workstation
Submitted by:Alex
General information
Vendor:GenuineIntel
Processor name (BIOS):Intel(R) Xeon(R) CPU W3520 @ 2.67GHz
Cores:4
Logical processors:8
Processor type:Original OEM Processor
CPUID signature:106A5
Family: 6 (06h)
Model:26 (01Ah)
Stepping: 5 (05h)
TLB/Cache details:64-byte Prefetching
Data TLB0: 2-MB or 4-MB pages, 4-way set associative, 32 entries
Data TLB: 4-KB Pages, 4-way set associative, 64 entries
Instruction TLB: 2-MB or 4-MB pages, fully associative, 7 entries
Instruction TLB: 4-KB pages, 4-way set associative, 64 entries
Shared 2nd-level TLB: 4 KB pages, 4-way set associative, 512 entries

Cache: L1 data L1 instruction L2 L3
Size: 4 x 32 KB 4 x 32 KB 4 x 256 KB 8 MB
Associativity: 8-way set
associative
4-way set
associative
8-way set
associative
16-way set
associative
Line size: 64 bytes 64 bytes 64 bytes 64 bytes
Comments: Direct-mapped Direct-mapped Non-inclusive
Direct-mapped
Inclusive
Direct-mapped
Shared between all cores
 
Instruction set extensionsAdditional instructions
MMX CLFLUSH
SSE CMOV
SSE2 CMPXCHG16B
SSE3 CMPXCHG8B
SSSE3 FXSAVE/FXRSTORE
SSE4.1 MONITOR/MWAIT
SSE4.2 POPCNT
  RDTSCP
  SYSENTER/SYSEXIT
 
Major featuresOther features
On-chip Floating Point Unit 36-bit page-size extensions
64-bit / Intel 64 64-bit debug store
NX bit/XD-bit Advanced programmable interrupt controller
Hyper-Threading Technology CPL qualified debug store
Intel Virtualization Debug store
Turbo Boost Debugging extensions
Enhanced SpeedStep Digital Thermal Sensor capability
  Direct Cache access
  LAHF/SAHF support in 64-bit mode
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Model-specific registers
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Pending break enable
  Perfmon and Debug capability
  Physical address extensions
  Self-snoop
  TSC rate is ensured to be invariant across all states
  Thermal monitor
  Thermal monitor 2
  Thermal monitor and software controlled clock facilities
  Time stamp counter
  Virtual 8086-mode enhancements
  xTPR Update Control

CPUs, related to Intel Xeon W3520

Model Cores /
Threads
Frequency Turbo
frequency
L3
cache
Multi-
processing
TDP Features  
Intel Xeon 3500 family, Socket 1366
   Xeon W35032 / 22.4 GHz 4 MB1130WHT, TBT>
   Xeon W35052 / 22.53 GHz 4 MB1130WHT, TBT>
   Xeon W35204 / 82.66 GHz2.93 GHz8 MB1130WHT, TBT 
   Xeon W35404 / 82.93 GHz 8 MB1130WHT, TBT>
   Xeon W35304 / 82.8 GHz3.06 GHz8 MB1130WHT, TBT>
   Xeon W35504 / 83.06 GHz3.33 GHz8 MB1130WHT, TBT>
   Xeon W35704 / 83.2 GHz 8 MB1130WHT, TBT>
   Xeon W35654 / 83.2 GHz3.46 GHz8 MB1130WHT, TBT>
   Xeon W35804 / 83.33 GHz3.6 GHz8 MB1130WHT, TBT>
Other families, Nehalem micro-architecture, Socket 1366
   Xeon X56506 / 122.66 GHz3.06 GHz12 MB295WAES, HT, TXT, TBT>
   Xeon X56606 / 122.8 GHz3.2 GHz12 MB295WAES, HT, TXT, TBT>
   Xeon X56706 / 122.93 GHz3.33 GHz12 MB295WAES, HT, TXT, TBT>
   Xeon X56796 / 123.2 GHz 12 MB2 AES, HT, TXT, TBT>
   Xeon X56756 / 123.06 GHz3.46 GHz12 MB295WAES, HT, TXT, TBT>
   Xeon W36706 / 123.2 GHz3.46 GHz12 MB1130WAES, HT, TXT, TBT>
   Xeon W36806 / 123.33 GHz3.6 GHz12 MB1130WAES, HT, TXT, TBT>
   Xeon X56806 / 123.33 GHz3.6 GHz12 MB2130WAES, HT, TXT, TBT>
   Xeon W36906 / 123.46 GHz3.73 GHz12 MB1130WAES, HT, TXT, TBT>
   Xeon X56906 / 123.46 GHz3.73 GHz12 MB2130WAES, HT, TXT, TBT>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the Xeon W3520
 • Click on the >  icon to compare any CPU in the table with the Intel Xeon W3520 (Javascript required).
 • List of related CPUs is not complete.
 • Features abbreviations:
AES - AES instructions
HT - Hyper-Threading
TXT - Trusted Execution
TBT - Dynamic Acceleration / Turbo Boost

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