Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 500 Series & Select 400 Series Chipset) 125W

Name: Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 500 Series & Select 400 Series Chipset) 125W
Brand: Unbranded
SKU: B08X6PPTTH
Price: 499.00 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$499.00

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View Current Price on Amazon → Compare to similar processors

*Price sourced from Amazon.com. Last updated 2026-05-05. Price and availability subject to change.

Bottom line: The Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 500 Series & Select 400 Series Chipset) 125W is a niche pick — read recent reviews before buying in the processors category, priced around $499.00. Compare close alternatives before committing.

11th Gen Intel® Core™ i9-11900K unlocked desktop processor. Featuring Intel® Turbo Boost Max Technology 3.0 and PCIe Gen 4.0 support, unlocked 11th Gen Intel® Core™ desktop processors are optimized for enthusiast gamers and serious creators and help deliver high performance overclocking for an added boost. Thermal solution NOT included in the box. Compatible with 500 series & select 400 series chipset based motherboards. Refer to motherboard vendor for compatiblity details. 125W.

SpecPicks Verdict

SpecPicks scored Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the processors category. Compare with similarly-priced alternatives in the processors category before committing. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for processors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Compatible with Intel 500 series & select Intel 400 series chipset based motherboards
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Compatible with Intel 500 series & select Intel 400 series chipset based motherboards
Intel Turbo Boost Max Technology 3.0 Support
Intel Optane Memory Support
PCIe Gen 4.0 Support
No thermal solution included

Full Specifications

Brand	Intel
Turbo	Yes
Wattage	125 watts
Platform	Not Machine Specific
CPU Model	Intel Core i9
CPU Speed	3.5 GHz
CPU Socket	LGA 1200
Unit Count	1.0 Count
Model Number	BX8070811900K
Item Type Name	Processor
Mfr Part Number	BX8070811900K
Processor Brand	Intel
Processor Count	8
Processor Speed	3.5 GHz
Secondary Cache	16 MB
CPU Manufacturer	Intel
Processor Series	Intel Core i9
Processor Socket	LGA 1200
Processor Core Count	8
Warranty Description	Box: 3 Year Limited

Ready to buy?

Intel Core i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 500 Series & Select 400 Series Chipset) 125W is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-05. Price and availability subject to change.