Intel Xeon E5-2643

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Quick Overview

Xeon Processor E5-2643 (10M Cache, 3.30 GHz, 8.00 GT/s Intel QPI)

Intel Xeon E5-2643

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Intel® Xeon® Processor E5 Family
The Intel® Xeon® processor E5 family can boost server performance by up to 80% over previous-generation Intel® Xeon® processor-based servers.

Intel® Integrated I/O on the Intel® Xeon® processor E5 family accelerates data availability to the processing cores, reducing latency by up to 30%.

Intel® Xeon® processor E5 family processors intelligently deliver up to 70% more performance per watt, increasing computing power while maintaining maximum energy efficiency.

Intel® Turbo Boost Technology
Intel® Turbo Boost Technology dynamically increases the processor's frequency as needed by taking advantage of thermal and power headroom to give you a burst of speed when you need it, and increased energy efficiency when you don′t.

Intel® vPro Technology
Intel® vPro™ Technology is a set of security and manageability capabilities built into the processor aimed at addressing four critical areas of IT security: 1) Threat management, including protection from rootkits, viruses, and malware 2) Identity and web site access point protection 3) Confidential personal and business data protection 4) Remote and local monitoring, remediation, and repair of PCs and workstations.

Intel® Hyper-Threading Technology
Intel® Hyper-Threading Technology (Intel® HT Technology) delivers two processing threads per physical core. Highly threaded applications can get more work done in parallel, completing tasks sooner.

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology (VT-x) allows one hardware platform to function as multiple virtual" platforms. It offers improved manageability by limiting downtime and maintaining productivity by isolating computing activities into separate partitions.

Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) continues from the existing support for IA-32 (VT-x) and Itanium® processor (VT-i) virtualization adding new support for I/O-device virtualization. Intel VT-d can help end users improve security and reliability of the systems and also improve performance of I/O devices in virtualized environments.

Intel® Trusted Execution Technology
Intel® Trusted Execution Technology for safer computing is a versatile set of hardware extensions to Intel® processors and chipsets that enhance the digital office platform with security capabilities such as measured launch and protected execution. It enables an environment where applications can run within their own space, protected from all other software on the system.

AES New Instructions
Advanced Encryption Standard New Instructions (AES-NI) are a set of instructions that enable fast and secure data encryption and decryption. AES-NI are valuable for a wide range of cryptographic applications, for example: applications that perform bulk encryption/decryption, anthentication, random number generation, and authenticated encryption.

Intel® 64
Intel® 64 architecture delivers 64-bit computing on server, workstation, desktop and mobile platforms when combined with supporting software.¹ Intel 64 architecture improves performance by allowing systems to address more than 4 GB of both virtual and physical memory.

Idle States
Idle States (C-states) are used to save power when the processor is idle. C0 is the operational state, meaning that the CPU is doing useful work. C1 is the first idle state, C2 the second, and so on, where more power saving actions are taken for numerically higher C-states.

Enhanced Intel SpeedStep® Technology
Enhanced Intel SpeedStep® Technology is an advanced means of enabling high performance while meeting the power-conservation needs of mobile systems. Conventional Intel SpeedStep® Technology switches both voltage and frequency in tandem between high and low levels in response to processor load. Enhanced Intel SpeedStep® Technology builds upon that architecture using design strategies such as Separation between Voltage and Frequency Changes, and Clock Partitioning and Recovery.

Intel® Demand Based Switching
Intel® Demand Based Switching is a power-management technology in which the applied voltage and clock speed of a microprocessor are kept at the minimum necessary levels until more processing power is required. This technology was introduced as Intel SpeedStep® Technology in the server marketplace.

Thermal Monitoring Technologies
Thermal Monitoring Technologies protect the processor package and the system from thermal failure through several thermal management features. An on-die Digital Thermal Sensor (DTS) detects the core's temperature, and the thermal management features reduce package power consumption and thereby temperature when required in order to remain within normal operating limits.

Intel® Flex Memory Access
Intel® Flex Memory Access facilitates easier upgrades by allowing different memory sizes to be populated and remain in dual-channel mode.

Execute Disable Bit
Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.

Intel® VT-x with Extended Page Tables (EPT)
Intel® VT-x with Extended Page Tables (EPT), also known as Second Level Address Translation (SLAT), provides acceleration for memory intensive virtualized applications. Extended Page Tables in Intel® Virtualization Technology platforms reduces the memory and power overhead costs and increases battery life through hardware optimization of page table management.
SKU CM8062107185605
EAN 6759011459850
Specification
Processor
Processor clock speed3.3 GHz
Processor modelE5-2643
Processor threads8
System bus rate8 GT/s
Processor operating modes64-bit
L3 cache10 MB
Turbo frequency (max)3.5 GHz
SteppingM1
Number of QPI links2
CPU multiplier (bus/core ratio)35
Bus typeQPI
Component forServer/Workstation
Processor process32 nm
Processor familyIntel Xeon
Processor cores4
BoxNo
Processor socketSocket R (2011)
Memory
Maximum RAM supported750 GB
Supported memory typesDDR3-SDRAM
Supported memory clock speeds800, 1066, 1333, 1600 MHz
Memory bandwidth (max)51.2 GB/s
Memory channels supportQuad
ECCYes
Graphics
On-board graphics adapterNo
Power
VID Voltage Range0.60 - 1.35V
Thermal power130W
Technical details
Thermal Monitoring TechnologiesYes
Intel vPro TechnologyYes
Intel Turbo Boost TechnologyYes
Intel Trusted Execution TechnologyYes
Intel Hyper-Threading TechnologyYes
Intel Flex Memory AccessYes
Intel AES New InstructionsYes
Idle StatesYes
Execute Disable BitYes
Enhanced Intel SpeedStep TechnologyYes
Intel Virtualization TechnologyVT-d, VT-x
PCI Express slots version3.0
Supported instruction setsAVX
Package size52.5 x 45 mm
Intel VT-x with Extended Page Tables (EPT)Yes
Intel Demand Based SwitchingYes
Graphics & IMC lithography32 nm
Embedded options availableNo
CPU configuration (max)2
Features
Thermal Monitoring TechnologiesYes
Idle StatesYes
Execute Disable BitYes
PCI Express slots version3.0
Supported instruction setsAVX
Graphics & IMC lithography32 nm
Embedded options availableNo
Processor special features
Intel vPro TechnologyYes
Intel Turbo Boost TechnologyYes
Intel Trusted Execution TechnologyYes
Intel Hyper-Threading TechnologyYes
Intel Flex Memory AccessYes
Intel AES New InstructionsYes
Enhanced Intel SpeedStep TechnologyYes
Intel Virtualization TechnologyVT-d, VT-x
Intel VT-x with Extended Page Tables (EPT)Yes
Intel Demand Based SwitchingYes
Operational conditions
Tcase73 °C
Other features
Package size52.5 x 45 mm
CPU configuration (max)2
Manufacturer Intel
Reviews No
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