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🚀 Power your ambition with the Core Ultra 9 — where speed meets smart efficiency.
The Intel Core Ultra 9 Desktop Processor 285K features a cutting-edge hybrid architecture with 24 cores (8 performance + 16 efficiency) and 24 threads, delivering up to 5.7 GHz unlocked turbo speeds. It supports PCIe 5.0, DDR5 memory, and Intel Optane for next-level responsiveness, optimized for Intel 800 series motherboards. With 40MB cache and a 125W base power, it balances high performance with efficient cooling, perfect for gamers and creators seeking future-ready power.





| ASIN | B0DFKC99VL |
| Best Sellers Rank | #15,854 in Computers ( See Top 100 in Computers ) #34 in CPUs |
| Brand | Intel |
| Built-In Media | Item |
| CPU manufacturer | Intel |
| CPU model | Intel Core Ultra 9 |
| CPU socket | LGA 1851 |
| CPU speed | 5.7 GHz |
| Cache Memory Installed Size | 40 MB |
| Customer Reviews | 4.7 out of 5 stars 720 Reviews |
| Global Trade Identification Number | 00675902154030, 05032037281928 |
| Item Dimensions L x W | 17.1L x 15.2W centimeters |
| Item Weight | 10.6 Ounces |
| Manufacturer | Intel |
| Mfr Part Number | BX80768285K |
| Model Number | Intel® Core™ Ultra 9 |
| Platform | Windows 11 |
| Processor Brand | Intel |
| Processor Core Count | 24 |
| Processor Count | 24 |
| Processor Number of Concurrent Threads | 24 |
| Processor Series | Intel Core Ultra 9 |
| Processor Socket | LGA 1851 |
| Processor Speed | 5.7 GHz |
| Secondary Cache | 36 MB |
| Secondary cache | 36 MB |
| UPC | 735858550383 |
| Wattage | 125 watts |
J**F
Perfect
Working well
A**I
I like it
I like it It is stable, fast , without heating ... Easy to install
E**E
Top kwaliteit mooi design en super snel
Een prachtig stijlvol moederboard waar de kwaliteit van afstraalt. Een van de snelste Intel moederborden die nu verkrijgbaar zijn. Heel compleet en de installatie ging pijlsnel de nieuwste drivers zonder probleem snel geïnstalleerd. Het systeem krijgt na een test met mijn Core ultra 9 285K een Passmark rating van 99+ % tot de snelst presterende systemen
J**O
Excellent processeur “tous terrains”
Excellent processeur, stable et performant dans les applications de productivité mais aussi en jeux, bien aidé par les derniers microcodes d’Intel et les optimisations des firmware de carte mères. Bien moins energivore que les générations précédentes Raptor Lake. Contrôleur mémoire bien mieux optimisé.
A**S
Todo bien
Tod bien hasta el momento
A**L
Ultra 9 muy recomendable
Procesador , espectacular no da ningún problema nada que ver a las generaciones 13 y 14, es ponerlo y a correr , me sorprende también los bajos consumos que tiene y lo fresco que se mantiene, no te voy a engañar si haces overclocking si suben bastante las temperaturas y necesitas una buena refrigeración líquida. Pero en potencia y para jugar va muy bien,
A**U
Intel Core Ultra 9 285K
My latest build June 18, 2025 was an all blackout no ARGB workstation to run SolidWorks: Intel Core Ultra 9 285k, MSI MAG Tomahawk Z890E wifi motherboard, G.Skill Flare X5 DDR5 64GB 6000 MT/S, Samsung 990 Pro SSD 1TB M.2, Thermaltake Toughpower GF A3 1050 watts power supply, upHere 8x6mm heat pipes direct contact 280Watt TDP CPU air cooler, Corsair 4000 RS Frame case, Corsair RS 120mm case fan, and PNY Nvidia RTX 2000 ADA 16GB GPU. The first thing I did was to update the BIOS on the mobo. With nothing(no RAM no CPU) on the mobo I inserted a 32GB USB flash drive with the latest BIOS file on it into the BIOS flash USB port, connected the power supply 8-pin and 24-pin cables to the mobo, turned on the power supply and press the BIOS flash button on the mobo, and in about five minutes the BIOS update was done (the LED light went out). Assembled all the parts into the case. I applied a very thin and even layer of thermal paste to both the CPU and the CPU cooler. For air flow I did three 120mm fans intake in the front and one 120mm fan at the rear. This fans arrangement forces cool air to flow across the entire motherboard which cools the RAM, VRM, help CPU air cooler intake and the GPU. I ran Cinebench 2024 and Core Temp for a10-minutes multicore stress test. With all 24 cores running at 100% the temperature range for all cores varied from 73 to 78 with every now and then a couple of cores spiked to 82 on for a few seconds then came back down under 80 degrees. The 285k drew around 205watts during the stress test. Even all six fans (four on the case, two on air cooler) rammed up to 100% the whole system was not noisy at all. I let the system burnt in for 24 hours and not a single hiccup. The CPU was very stable, the temperature was low and the system was very quiet. The Nvidia RTX 2000 ADA 16GB GPU is not for gaming and this system was not intended for gaming but for work station doing CAD type program specifically SolidWorks. I did a similar system back in January this year with the same CPU and mobo and I must say I was and I am impressed by the performance, reliability and stability of the Intel Core Ultra 285K and MSI MAG Tomahawk motherboard. Final thought: In day to day real life working with SolidWorks the 24 cores of the CPU will hardly reach 100% capacity. This is an over-built quiet system with a lot of horsepower to spare and most importantly a stable system for professional work.
Trustpilot
2 weeks ago
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