Intel Core i9 (12th Gen) i9-12900KS Gaming Desktop Processor with Integrated Graphics and Hexadeca-core (16 Core) 2.50 GHz
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 3 left in stock, order soon!
Arrives
Wednesday, Dec 24
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Style: i9-12900KS
Features
- Built for the Next Generation of Gaming. Game and multitask without compromise powered by Intels performance hybrid architecture on an unlocked processor.
- Integrated Intel UHD 770 Graphics
- Compatible with Intel 600 series and 700 series chipset-based motherboards
- 14 MB L2 + 30 MB L3 cache memory provides excellent hit rate in short access time enabling improved system performance
Description
Intel Core i9 (12th Gen) i9-12900KS Hexadeca-core (16 Core) 2.50 GHz Processor, 30 MB L3 Cache, 14 MB L2 Cache, 64-bit Processing, 5.50 GHz Overclocking Speed, Socket LGA-1700, UHD Graphics 770 Graphics, 150 W, 24 ThreadsChipset Compatibility: Find compatible motherboards by accessing the Intel® Product Compatibility Tool, click Desktop and Workstation Processors , and choose the processor to find available compatible motherboards and other related information.
Brand: Intel
CPU Manufacturer: Intel
CPU Model: Intel Core i9
CPU Speed: 3.4
CPU Socket: LGA 1700
Processor: 3.4 intel_core_i9
Brand: Intel
Series: Core i9
Item model number: BX8071512900KS
Item Weight: 0.016 ounces
Product Dimensions: 5.47 x 5.12 x 6.46 inches
Item Dimensions LxWxH: 5.47 x 5.12 x 6.46 inches
Processor Brand: Intel
Number of Processors: 16
Manufacturer: Intel
Date First Available: March 28, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Dec 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: i9-12900KS
Fastest cpu just a few years ago and still in the top of the class, it's only 5% slower single core than a 13900k with no microcode/oxidation problem. Runs way hotter than my i5 haha but with a good 360 AIO it runs nice and cool. So happy I have good integrated graphics for back up if anything happens to my GPU and can still light game. Its perfectly compatible with my z690 mobo just swap and play with added contact plate a must if you dare.
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Reviewed in the United States on November 23, 2025 by scott scott
Style: i9-12900KS
I was skeptical purchasing this CPU. I read topics claiming it gets hot. That's BULL!!! If you know how to build, able to put the right parts together, may take some research to make sound decisions, this is one strong processor. I game, watch media, do design work, and video editing, and do extreme multitasking, and have not gotten a hiccup. People are ready to put down a product without doing their homework to make it run like it should, screw the benchmarks and skepticism. Build it right and the rest will speak for itself. I believe in high quality and this CPU stands up to it all in cool smooth running, and seamless tasking. I waited to make sure I'd speak up for it, and I stand behind it 100%. Great CPU.
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Reviewed in the United States on May 17, 2025 by G-Man
Style: i9-12900KS
In a world of AMD 7000- and 9000-series X3D and non-X3D CPUs, I just now chose to build a PC based on this Intel Core i9-12900KS. The logical question is "Why?" No good answer, other than part nostalgia and part brand loyalty: Intel has been a reliable partner in this computer building hobby for a long time. That said, previous PCs of mine were built using AMDs Phenom II Black and FX-8370 CPUs, so I don't consider myself a 'fan boy' of either brand. So why? Like buying an Alfa Romeo when a Toyota Camry is cheaper, more efficient, and more reliable, you buy the Alfa because you want it. And in this case, you buy this CPU because it's the last, great Core i9 standing and will turbo boost Pcores to 5.5 GHz at stock Intel power settings and without MCE. I love it already.
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Reviewed in the United States on January 22, 2025 by Fly Navy Fly Navy
Style: i9-12900KS
This started a new PC build for me when it was on sale for $320. I haven't built a PC since 2007, so it has changed a bit since then. This thing runs hot at full load. Watch gamers nexus on YouTube. It will pull a solid 250+ watts running cinebench. I'm using an Arctic Freezer 2 420mm with a thermal grizzly contact frame and kryonaut, and it will load up to 80 degrees almost instantly without throttling but drop immediately to 25-30 degrees when the load stops. This is with ambient at 22 degrees. This thing is brutally fast, though, and in reality, outside of load testing it, I have rarely seen it go over 30% usage. The more recent i5 and i7 processors can more or less be equal in most use cases. i5 13/14600, i7 13/14700. This processor is still top-tier and will be for a few years to come. 12th gen i-series processors were a game-changer, the 13th-gen improved on them a bit with more e-cores, and the 14th-gen is looking like a stop-gap to the next big thing. You won't be disappointed; make sure to keep it cool.
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Reviewed in the United States on May 6, 2024 by Matthew K Shook
Style: i9-12900KS
Relación precio-efectividad, mejor opción para juegos gama alta
Reviewed in the United States on July 18, 2025 by Anthony Fox
Style: i9-12900KS
Bought during the sale for $240. A side-grade from my 13600KF, with slightly more cores and a higher TDP. So far has served me well, and a great deal for the money.
Reviewed in the United States on April 12, 2025 by Justin
Style: i9-12900KS
I didn't get the "fancy" wafer box, just a normal intel box. It is a decent BIN. 97 SP overall, P Cores 108, E Cores 79.
Reviewed in the United States on December 2, 2024 by yonson
Style: i9-12900KS
I came from an AMD 2990WX build that while it was good and stable, always had some quirks about it that just annoyed the crap out of me at best. While this probably can't multithread to the same degree, it does represent a lot of power and speed. 5.2GHz across 8 cores / 16 threads, on an air cooler and I'm not touching anything for OC...it's great as it is. Even the 'slow' cores clock in upwards of 4GHz, which the TR tapped out at best with 4.2 and that was only for a couple cores-worth. This one on air, does back off that max clock not soon afterwards; but I also have this in a 4u rack mounted case, with 4 chassis fans; vs the previous build which was on a 360 radiator/AIO, and had 13 system fans; but I was going for a rather ridiculous build with that vs this build I'm going for subtle/sleeper. That this system runs as fast as it does, with as little fan noise, on air...is something rather amazing.
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Reviewed in the United States on May 22, 2022 by jenksdrummer