c i5-2550K specifications
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General information
Type CPU / Microprocessor
Market segment Desktop
Family I c i5
Model number ? i5-2550K
CPU part numbers CM8062301213000 is an OEM/tray microprocessor
BX80623I52550K is a boxed microprocessor with fan and heatsink
Frequency ? 3400 MHz
Maximum turbo frequency 3800 MHz (1 c)
3700 MHz (2 cores)
3600 MHz (3 cores)
3500 MHz (4 cores)
Bus speed ? 5 GT/s
Clock multiplier ? 34
Package 1155-land Flip-Chip Land Grid Array
Socket Socket 1155 / H2 / LGA1155
Weight 13.4oz / 380g (box)
S-spec numbers
Part number ES/QS processors Production processors
QC4A SR0QH
BX80623I52550K +
CM8062301213000 + +
Architecture / Microarchitecture
Microarchitecture Sandy Bridge
Processor c ? Sandy Bridge
c stepping ? D2 (QC4A, SR0QH)
Manufacturing process 0.032 micron High-K metal gate process
Data width 64 bit
The number of CPU cores 4
The number of threads 4
Floating Point Unit Integrated
Level 1 cache size ? 4 x 32 KB 8-way set associative instruction caches
4 x 32 KB 8-way set associative data caches
Level 2 cache size ? 4 x 256 KB 8-way set associative caches
Level 3 cache size 6 MB 12-way set associative shared cache
Physical memory 32 GB
Multiprocessing Uniprocessor
Extensions and Technologies MMX instructions
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 ?
AES / Advanced Encryption Standard instructions
AVX / Advanced Vector Extensions
EM64T / Extended Memory 64 technology / I 64 ?
NX / XD / Execute disable bit ?
TBT 2.0 / Turbo Boost technology 2.0 ?
VT-x / Virtualization technology ?
Low power features Enhanced / technology ?
Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 1
Memory channels: 2
Supported memory: DDR3-1066, DDR3-1333
Maximum memory bandwidth (GB/s): 21.3
Other peripherals Direct Media Interface 2.0
PCI Express 2.0 interface
Electrical / Thermal parameters
Maximum operating temperature ? 72.6°C
Thermal Design Power ? 95 Watt
Notes on I c i5-2550K
The processor has unlocked clock multiplier
The processor has the following security, data protection and/or software features: I Identity Protection technology.