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Product Collection 11th Generation Intel® Core™ i9 Processors
Code Name Products formerly Rocket Lake
Vertical Segment Desktop
Processor Number i9-11900KF
Status Launched
Launch Date Q1'21
Lithography 14 nm
Use Conditions PC/Client/Tablet
CPU Specifications
# of Cores 8
# of Threads 16
Processor Base Frequency 3.50 GHz
Max Turbo Frequency 5.30 GHz
Intel® Thermal Velocity Boost Frequency 5.30 GHz
Cache 16 MB Intel® Smart Cache
Bus Speed 8 GT/s
Intel® Turbo Boost Max Technology 3.0 Frequency ‡ 5.20 GHz
Intel® Turbo Boost Technology 2.0 Frequency‡ 5.10 GHz
TDP 125 W
Configurable TDP-down Frequency 3.00 GHz
Configurable TDP-down 95 W
Supplemental Information
Embedded Options Available No
Memory Specifications
Max Memory Size (dependent on memory type) 128 GB
Memory Types DDR4-3200
Max # of Memory Channels 2
Max Memory Bandwidth 50 GB/s
ECC Memory Supported ‡ No
Expansion Options
Scalability 1S Only
PCI Express Revision 4
PCI Express Configurations ‡ Up to 1x16+1x4, 2x8+1x4, 1x8+3x4

Max # of PCI Express Lanes 20

SKU CPI9-11900F
Brand Intel
Shipping Weight 0.3200kg
Shipping Width 118.000m
Shipping Height 70.000m
Shipping Length 106.000m
Unit Of Measure ea

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