8-Core Desktop Processing
With 8 cores and 16 threads, the Core i9-11900K supports demanding desktop workloads on compatible LGA 1200 systems.
Updated 4 months ago
Intel
Core i9-11900K
8-core 11th Gen Intel desktop flagship for LGA1200 systems. It remains purchasable for upgrades on older Intel motherboards.
$100.00
CategoryComputer Processors
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Best BuyIn Stock
$483.99Last updated: 6/8/2026
BuyProduct Highlights
The most important capabilities and tradeoffs at a glance.
Up to 5.3 GHz Boost Clock
A 3.5 GHz base clock and up to 5.3 GHz maximum boost clock provide high clock speeds within its 125 W thermal design power.
Unlocked with Modern Platform Support
Overclocking support, PCIe 4.0, DDR4-3200 memory support up to 128 GB, and integrated graphics add flexibility for compatible builds.
The Intel Core i9-11900K is an 11th Gen Rocket Lake desktop processor for LGA 1200 systems, featuring 8 cores, 16 threads, integrated graphics, DDR4-3200 memory support up to 128 GB, PCIe 4.0, and an unlocked design without an included cooler.
Media Reviews
Independent perspectives and scores from published reviews.
Trusted Reviews
Intel Core i9-11900K Review - Trusted Reviews
The reviewer concluded that while the i9-11900K is a powerful gaming processor, its performance gains over cheaper, older alternatives are too marginal to justify its high price tag.
TechSpot
Intel Core i9-11900K Review: Not a Great Flagship CPU | TechSpot
The reviewer did not recommend the CPU, highlighting that it costs more and performs worse than the previous-generation i9-10900K in many productivity tasks, while failing to be competitive with AMD's offerings at its price point.
KitGuru7/10
Intel Core i9-11900K Review | KitGuru
The reviewer assessed the 8-core, 16-thread flagship and noted that expectations were low following early pre-release reviews.
PCMag
Intel Core i9-12900K vs. Core i9-11900K: 'Alder Lake' and 'Rocket Lake' CPUs Face Off | PCMag
The reviewer noted that while die-hard Intel loyalists could opt for the chip, its regression in core count and modest performance upside made alternatives from both AMD and Intel's own 10th Gen lineup more attractive.
Video Analysis
Product walkthroughs, comparisons, and long-form video reviews.
11:06
How far will Intel GO? - 11th-gen Core Review
Get a Free pair of Wireless Headphones at Micro Center: https://micro.center/fa974 Check out the Micro Center Custom PC ...
1,850,876 views · 5 years ago
Linus Tech Tips · youtube
14:27
Intel's "New" i9-11900k Details... Don't get too excited...
Learn more about the NZXT BLD and their Starter PC at - http://nzxt.co/StarterPCJ2C Get your JayzTwoCents Merch Here!
650,345 views · 5 years ago
JayzTwoCents · youtube
22:28
Pathetic: Intel Core i9-11900K CPU Review & Benchmarks: Gaming, Power, Production
The Intel
591,408 views · 5 years ago
Gamers Nexus · youtube
15:06
Intel Core i9-11900K Review, The Worst Flagship Intel CPU... Maybe Ever!
Join us on Patreon: https://www.patreon.com/hardwareunboxed Join us on Floatplane: ...
256,530 views · 5 years ago
Hardware Unboxed · youtube
8:21
Intel i9-11900K Review – The i9 Trap
Check prices on Amazon below Intel i9-11900K: https://geni.us/B2oRtr Intel i7-11700K: https://geni.us/oXMs Intel i5-11600K: ...
136,731 views · 5 years ago
optimum · youtube
12:06
Does the 11th Gen Intel i9 still Suck? i9 11900KF /11900K
In this video, we dive deep into the Intel i9 11th Gen processor, exploring its rocky launch and surprising comeback. Initially ...
21,128 views · 2 years ago
RestoTek · youtube
Attributes
Detailed specifications and product characteristics.
ArchitectureRocket Lake (11th Gen)
Base Clock Speed(GHz)3.5 GHz
Cache Size(MB)16 MB
Core Count(cores)8 cores
Cpu SocketLGA 1200
Included CoolerNo
Integrated GraphicsYes
Launch Date2021-03-16
Manufacturing Process14 nm
Max Boost Clock Speed(GHz)5.3 GHz
Memory SupportDDR4-3200 (max 128 GB)
Overclocking SupportYes
Pci Express VersionPCIe 4.0
Price(USD)100 USD
Thermal Design Power(W)125 W
Thread Count(threads)16 threads
Purchase Options
All current listings across the base product and its variants.
Best BuyIn Stock
$483.99Last updated: 6/8/2026
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