Essentials

Product Collection Intel Xeon Processor E3 v3 Family
Code Name Products formerly Haswell
Vertical Segment Server
Processor Number E3-1281V3
Status Launched
Launch Date Q2'14
Lithography 22 nm

Performance

# of Cores 4
# of Threads 8
Processor Base Frequency 3.70 GHz
Max Turbo Frequency 4.10 GHz
Cache 8 MB Intel Smart Cache
Bus Speed 5 GT/s
# of QPI Links 0
TDP 82 W

Supplemental Information

Embedded Options Available No

Memory Specifications

Max Memory Size (dependent on memory type) 32 GB
Memory Types DDR3 and DDR3L 1333/1600 at 1.5V
Max # of Memory Channels 2
Max Memory Bandwidth 25.6 GB/s
ECC Memory Supported Yes

Expansion Options

Scalability 1S Only
PCI Express Revision 3.0
PCI Express Configurations 1x16, 2x8, 1x8/2x4
Max # of PCI Express Lanes 16

Package Specifications

Sockets Supported FCLGA1150
Max CPU Configuration 1
Thermal Solution Specification PCG 2013D
Package Size 37.5mm x 37.5mm

Advanced Technologies

Intel Turbo Boost Technology 2.0
Intel vPro Platform Eligibility Yes
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 Transactional Synchronization Extensions Yes
Intel 64 Yes
Instruction Set 64-bit
Instruction Set Extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2
Idle States Yes
Enhanced Intel SpeedStep Technology Yes
Thermal Monitoring Technologies Yes
Intel Fast Memory Access Yes
Intel Flex Memory Access Yes
Intel Identity Protection Technology Yes
Intel Stable Image Platform Program (SIPP) Yes

Security & Reliability

Intel AES New Instructions Yes
Secure Key Yes
Intel OS Guard Yes
Intel Trusted Execution Technology Yes
Execute Disable Bit Yes
Anti-Theft Technology Yes