Intel Core i7-5820K 
3.3GHz 6 Core 
Socket LGA 2011-3 CPU 
SR20S



General information
TypeCPU / Microprocessor
FamilyIntel Core i7
Processor number  ? i7-5820K
Part numberCM8064801548435
BX80648I75820K
BXC80648I75820K
Frequency  ? 3.3 GHz
Maximum Turbo frequency3.6 GHz
Clock multiplier  ? 35
Package type2011-land FC-LGA
Socket typeSocket 2011-3 (LGA2011-3)
Architecture / Microarchitecture / Other
Core steppingR2
Processor coreHaswell-E
Manufacturing technology0.022 micron
The number of cores6
L2 cache size  ? 1.5 MB
L3 cache size15 MB
FeaturesAES
AVX
AVX2
EM64T technology  ? 
Enhanced SpeedStep technology  ? 
Execute disable bit  ? 
Hyper-Threading technology
MMX
SSE
SSE2
SSE3
SSE4
SSSE3
Turbo Boost technology
Virtualization technology (VT-d)
Virtualization technology (VT-x)
Case temperature  ? 66.8°C
Thermal Design Power  ? 140 Watt
Notes on sSpec SR20S
  • The processor supports DDR4-1333, DDR4-1600 and DDR4-2133 memory.
  • Direct Media Interface speed is 5 GT/s.


  • CPU is in excellent working condition
  • Photo depicts actual item
  • Tax invoice GST inc supplied
  • Item is sent on the same business day if payment is received before 2pm

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  • Actual Images of item are shown as above
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  • All returned product will be checked by our technicians 

About Us

We are a family based reseller of ex-corporate IT Equipment. We have been in this industry for over 30 years and pride ourselves on good customer service, selling quality products. Buy with confidence.