Intel Xeon E5640 2.66GHz 4C HT CPU (OEM)

Intel Xeon E5640 2.66GHz 4C HT CPU (OEM)


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Performance. Efficiency. Agility.
Intel’s newest dual-core processor for dual processor (DP) servers and workstations delivers a new level of energy-efficient performance from the innovative Intel® Core™ microarchitecture, optimized for low-power, dual-core, 64-bit computing.

Dual-core processing
Significant performance headroom, especially for multi-threaded applications, helps boost system utilization through virtualization and application responsiveness.

Intel® Core™ microarchitecture
Better performance on multiple application types and user environments at a substantially reduce power envelope.

Majority of SKUs at 65W
Significantly lower power (compared to previous generation) helps improve data center density and power/thermal operating costs.

Ultra-dense, ultra low-power SKUs at 40W
Low-voltage SKU available at reduced power envelopes will deliver even higher performance per watt — helps reduce power/thermal operating costs and improve data center density.

4 MB shared L2 cache
Increases efficiency of L2 cache-to-processor data transfers, maximizing main memory to processor bandwidth and reducing latency.
Entire L2 cache can be allocated to one core.

1066 and 1333 MHz system bus
Faster system bus speeds than previous generations for increased throughput.

Intel® Virtualization Technology
New processor hardware enhancements that support software-based virtualization, enabling migration of more environments — including 64-bit OSs and applications — to virtual environments.

Intel® Extended Memory 64 Technology (Intel® EM64T)
Flexibility for 64-bit and 32-bit applications and operating systems.

Enhanced Intel® Speedstep™ Technology
Helps reduce average system power consumption and potentially improves system acoustics.

Processor family: Intel® Xeon® 5000 Sequence
Processor cores: 4
Processor socket: LGA 1366 (Socket B)
Component for: Server/workstation
Processor lithography: 32 nm
Cooler included:
Processor manufacturer: Intel
Processor base frequency: 2.66 GHz
Processor model: E5640
Processor threads: 8
System bus rate: 5.86 GT/s
Processor operating modes: 64-bit
Processor series: Intel Xeon 5600 Series
Processor cache: 12 MB
Processor cache type: Smart Cache
Thermal Design Power (TDP): 80 W
Processor boost frequency: 2.93 GHz
VID Voltage Range: 0.75 - 1.35 V
Stepping: B1
Bus type: QPI
CPU multiplier (bus/core ratio): 20
Number of QPI links: 2
Memory bandwidth supported by processor (max): 25.6 GB/s
Processor codename: Westmere EP
Processor ARK ID: 47923
Memory channels: Triple-channel
Maximum internal memory supported by processor: 288 GB
Memory types supported by processor: DDR3-SDRAM
Memory clock speeds supported by processor: 800,1066 MHz
On-board graphics adapter:
Execute Disable Bit:
Idle States:
Thermal Monitoring Technologies:
Supported instruction sets: SSE4.2
CPU configuration (max): 2
Embedded options available:
Physical Address Extension (PAE): 40 bit
Market segment: Server
Harmonized System (HS) code: 8542310001
Export Control Classification Number (ECCN): 5A992C
Commodity Classification Automated Tracking System (CCATS): G077159
Processor special features:
Intel® Hyper Threading Technology (Intel® HT Technology):
Intel® Turbo Boost Technology: 1.0
Intel® AES New Instructions (Intel® AES-NI):
Enhanced Intel SpeedStep Technology:
Intel Trusted Execution Technology:
Intel Enhanced Halt State:
Intel VT-x with Extended Page Tables (EPT):
Intel Demand Based Switching:
Intel 64:
Intel Virtualization Technology (VT-x):
Intel Virtualization Technology for Directed I/O (VT-d):
Operational conditions:
Tcase: 77.6 °C
Processor cache: 12288 KB
Product type: Processor
Supported memory types: DDR3-SDRAM
Weight & dimensions:
Package width: 44 mm
Package depth: 140 mm
Package height: 117 mm
Package weight: 102 g
Processor package size: 42.5mm x 45mm
Other features:
Intel® Virtualization Technology (Intel® VT): VT-d,VT-x
Compatibility: Intel Server Board S5520UR\nIntel Server Board S5520HC\nIntel Workstation Board S5520SC\nIntel Server Board S5500WB\nIntel Server Board S5500HCV\nIntel Server Board S5500HV\nIntel Server Board S5500WB12V\nIntel Compute Module MFS5520VIR\nIntel Server Board S5520HCT\nIntel Server Board S5520URT\nIntel Server System SR1670HV\nIntel Server System SR1680MV\nIntel Workstation System SC5650SCWS\nIntel Server System SR1630BCR\nIntel Server System SR1695WBAC\nIntel Server System SR1695WBDC
Maximum internal memory: 288 GB
Maximum internal memory: 294912 MB
Cache memory: 12 MB
Born on date: Q1'10
Bus bandwidth: 5.86
Bus type units: GT/s
Launch date: Q1'10
Processor core voltage: 0.750-1.350 V
Product name: Intel Xeon E5640 (12M Cache, 2.66 GHz, 5.86 GT/s Intel QPI)
Status: Discontinued
Maximum memory: 288 GB
Processor brand name: Intel Xeon
Last change: 63903513
Product family: Intel Xeon Processor 5000 Sequence
Bus speed: 5.86 GT/s