Intel Xeon E5-4640 (2.40GHz/8-core/20MB/95W) Processor SR0QT

Essentials

Product Collection: Intel Xeon Processor E5 Family
Code Name: Products formerly Sandy Bridge EP
Vertical Segment: Server
Processor Number: E5-4640
Status: Discontinued
Launch Date: Q2'12
Expected Discontinuance: Q2'15
Lithography: 32 nm

Performance

Number of Cores: 8
Number of Threads: 16
Processor Base Frequency: 2.40 GHz
Max Turbo Frequency: 2.80 GHz
Cache: 20 MB SmartCache
Bus Speed: 8 GT/s QPI
Number of QPI Links: 2
TDP: 95 W
VID Voltage Range: 0.6V-1.35V

Memory Specifications

Max Memory Size (dependent on memory type): 384 GB
Memory Types: DDR3 800/1066/1333/1600
Max Number of Memory Channels: 4
Max Memory Bandwidth: 51.2 GB/s
ECC Memory Supported: Yes

Expansion Options

Scalability: 4S Only
PCI Express Revision: 3.0
Max # of PCI Express Lanes: 40

Package Specifications

Sockets Supported: FCLGA2011
Max CPU Configuration: 4
Package Size: 52.5mm x 45.0mm
Low Halogen Options Available: See MDDS

Advanced Technologies

Intel Turbo Boost Technology: 2.0
Intel vPro™ Platform Eligibility: No
Intel Hyper-Threading Technology: Yes
Intel Virtualization Technology (VT-x): Yes
Intel Virtualization Technology for Directed I/O (VT-d): Yes
Intel VT-x with Extended Page Tables (EPT): Yes
Intel 64: Yes
Instruction Set: 64-bit
Instruction Set Extensions: Intel AVX
Idle States: Yes
Enhanced Intel SpeedStep Technology: Yes
Intel Demand Based Switching: Yes
Thermal Monitoring Technologies: Yes
Intel Flex Memory Access: Yes

Security & Reliability

Intel AES New Instructions: Yes
Intel Trusted Execution Technology: Yes
Execute Disable Bit: Yes