Product Collection
Legacy Intel® Xeon® Processors
Vertical Segment
Server
Processor Number
X5667
Lithography
32 nm

CPU Specifications

Physical Core Count
4
Total Threads
8
Max Turbo Frequency
3.46 GHz
Processor Base Frequency
3.06 GHz
Cache
12 MB Intel® Smart Cache
Bus Speed
6.4 GT/s
# of QPI Links
2
TDP
95 W

Supplemental Information

Marketing Status
Discontinued
Launch Date
Q1'10
Servicing Status
End of Servicing Lifetime
Embedded Options Available
No

Memory Specifications

Max Memory Size (dependent on memory type)
288 GB
Memory Types
DDR3 800/1066/1333
Max # of Memory Channels
3
Max Memory Bandwidth
32 GB/s
Physical Address Extensions
40-bit
ECC Memory Supported
Yes

Package Specifications

Sockets Supported
FCLGA1366,LGA1366
Max CPU Configuration
2
TCASE
82.9°C
Package Size
42.5mm X 45mm

Advanced Technologies

Intel® Turbo Boost Technology
1.0
Intel® Hyper-Threading Technology
Yes
Intel® 64
Yes
Instruction Set
64-bit
Instruction Set Extensions
Intel® SSE4.2
Idle States
Yes
Enhanced Intel SpeedStep® Technology
Yes
Intel® Demand Based Switching
Yes
Thermal Monitoring Technologies
No

Security & Reliability

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