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🚀 Unlock elite desktop power with Intel Core i9 12900K — where speed meets innovation.
The Intel Core i9-12900K is a 12th generation desktop processor featuring a hybrid architecture with 16 cores and 24 threads, base clock of 3.2GHz and turbo up to 5.2GHz. Built on Intel's advanced 10nm Enhanced SuperFin process, it supports PCIe 5.0, DDR4/DDR5 memory, and the LGA 1700 socket, delivering top-tier performance for demanding professional and gaming applications.

| Amazon Bestseller | #119,339 in Computers (See Top 100 in Computers) #238 in Computer CPU Processors |
| Asin | B09FXDLX95 |
| Brand | Intel |
| Cache Memory Installed Size | 30 |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,354) 4.6 out of 5 stars |
| Global Trade Identification Number | 00735858499613, 05032037234641, 08010787893735 |
| Item Dimensions L X W | 16.4L x 13.9W cm |
| Item Weight | 82 Grams |
| Manufacturer | インテル |
| Mfr Part Number | BX8071512900K |
| Model Number | BX8071512900K |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Platform | Windows 11 |
| Processor Brand | Intel |
| Processor Core Count | 16 |
| Processor Count | 16 |
| Processor Number Of Concurrent Threads | 16 |
| Processor Series | Core i9 |
| Processor Socket | LGA 1700 |
| Processor Speed | 3.2 GHz |
| Secondary Cache | 12 MB |
| Software Update Supported To Date | unknown |
| Upc | 735858499613 |
| Warranty Description | 1 Year Manufacturer's Warranty |
| Wattage | 125 W |
User
最高の相棒
購入して約二年、最高の相棒になっています。
User
all wat I needed for the next coming 5 years
I purchase this CPU 1 year ago and it cost me 74,000 JPY back then.the price didn't drop much since that time and the performance is satisfying so far.the new generation spec is higher so if you want to buy this CPU don't. instead, you can buy i7 Gen13 as it will have the same spec plus a better cache than the 12 Gen.it might be better to buy the K version in case you have issues with your GPU to troubleshoot.
User
Intel最後の希望(当面)
15世代”core ultra”のレビューを見て絶望し、12600Kから載せ替え。私の環境ではあまり向上を感じていません笑仕様変更によりショボくなったパケを見てショックを覚えつつ、3年前の(ほぼ)フラッグシップを携えてIntelの勝利を信じて待ちます。
User
A monster!!
Super performance, but be careful with the heat
User
cpuすごい
私のPCめちゃすごいになった!うれしい😆
User
Very good
Very good
User
定格使用なら簡易水冷(240mm)でOK
2022年5月に購入。ASUSの簡易水冷(ROG240mm)で運用。ケースが古いので360mmは断念。定格使用でH.265のエンコード時にCPU温度は80℃後半を維持できます。Z690マザーなのでオーバークロック。6コアまでなら倍率54で回ります。温度は90℃に届くかどうか程度。電圧はoffsetで-0.05V。この場合Core temp読みで消費電力は241Wに届きませんでした。ただ、オールコアをいじり倍率50にしただけで300W近くまで消費するとともにCPU温度は一瞬で100℃へ。即サーマルスロットリングが作動します。いずれも室温は27℃での検証です。360mmの簡易水冷にしたとて一瞬で100℃に上がる温度は抑えきれないと思いますのでサーマルスロットリングに当てたくないのであればオーバークロックは難しいのでは?と思いました。単コアであれば54倍で安定動作しているので満足です。6700Kからの換装でしたが10分間の動画をH.265にエンコードしたとき、6700Kは約15分、12900Kは約7分で終了。時代の変化を感じます。premiere Proでの動画編集(4Kを8ストリーム)でも全コアフルパワーにはなりませんでした。エンコードするときと、ベンチを回すときくらいですかね。確かに発熱しますが普段使いであれば240mm簡易水冷でも運用可能です。
User
マジで最悪でした!
取り付けても反応せず返品して結局ヨドバシで新品買いました!どうなってんのアマゾン製品www
User
ماني بحاجة لقيم هيك منتج
خود المعالج وانت مغمض صدقني مانك بحاجة لشي افضل منو والا راح يكون اوفر كيل انصح فيه وبشدة
User
I bought this for smoother gaming
I picked this desktop since my old one kept freezing if I ran more than two things at once. Last weekend, I had Spotify and two games open — no issues. The fans get a little loud but honestly, my headphones cover it up. Happy I can edit videos and game without headaches now.
User
Absolute Beast of a CPU — Handles Everything Effortlessly
I’ve been using the Intel i9-12900K for a while now, and it’s an absolute powerhouse. Performance is incredible — whether I’m gaming, streaming, or running heavy workloads like video editing or 3D rendering, this CPU handles everything with ease. The combination of Performance and Efficiency cores really shows its strength in multitasking, and I’ve noticed smooth, lag-free performance even under heavy loads.Overclocking is straightforward, and it responds well, giving even more performance for those who want to push their system. Thermals are manageable with a good cooling solution, and overall stability is excellent. Compared to previous Intel generations, this CPU is a huge leap in both single-core and multi-core performance.If you’re building a high-end PC and want top-tier processing power, the i9-12900K is worth every penny. It’s perfect for gamers, content creators, and anyone who demands the best performance from their system.
User
Contento con compra
Todo bien con el envio y entrega, esperaba la versión de empaque que varios habían publicado en reseñas pero al final, es el procesador que esperaba y estoy contento con ello
User
Buy it, same as 13th Gen just more CPU usage
Super good, I'd say better value for money than the 13th Gen version due to being able to achieve the same frames on games, though more CPU usage is used (not significant enough to notice).Summary, great performance if you want a high-end CPU.Easy installation as expected with a normal cpu, no surprises.I run everything max graphics settings and it never gets too hot. Great base speed
Trustpilot
1 month ago
2 weeks ago