Product Collection
Intel® Xeon® Processor E3 Family
Vertical Segment
Server
Processor Number
E3-1275
Lithography
32 nm

CPU Specifications

Total Cores
4
Total Threads
8
Max Turbo Frequency
3.80 GHz
Intel® Turbo Boost Technology 2.0 Frequency
3.80 GHz
Processor Base Frequency
3.40 GHz
Cache
8 MB Intel® Smart Cache
Bus Speed
5 GT/s
TDP
95 W

Supplemental Information

Marketing Status
Discontinued
Launch Date
Q2'11
Servicing Status
End of Servicing Lifetime
End of Servicing Updates Date
Tuesday, December 31, 2019
Embedded Options Available
Yes
Use Conditions
Server/Enterprise

Memory Specifications

Max Memory Size (dependent on memory type)
32 GB
Memory Types
DDR3 1066/1333
Max # of Memory Channels
2
Max Memory Bandwidth
21 GB/s
ECC Memory Supported
Yes

GPU Specifications

Graphics Base Frequency
850 MHz
Graphics Max Dynamic Frequency
1.35 GHz
Intel® Quick Sync Video
Yes
Intel® InTru™ 3D Technology
Yes
Intel® Flexible Display Interface (Intel® FDI)
Yes
Intel® Clear Video HD Technology
Yes
# of Displays Supported
2

Expansion Options

PCI Express Revision
2.0
Max # of PCI Express Lanes
20

Package Specifications

Sockets Supported
LGA1155
Max CPU Configuration
1
TCASE
72.6°C
Package Size
37.5mm x 37.5mm

Advanced Technologies

Intel® Turbo Boost Technology
2.0
Intel® Hyper-Threading Technology
Yes
Intel® 64
Yes
Instruction Set
64-bit
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Idle States
Yes
Enhanced Intel SpeedStep® Technology
Yes
Intel® Demand Based Switching
Yes
Thermal Monitoring Technologies
Yes
Intel® Fast Memory Access
Yes
Intel® Flex Memory Access
Yes
Intel® Identity Protection Technology
Yes

Security & Reliability

Intel vPro® Eligibility
Intel vPro® Platform
Intel® AES New Instructions
Yes
Intel® Trusted Execution Technology
Yes
Execute Disable Bit
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