Intel® Core™ Ultra 9 Desktop Processor 285K 24 cores (8 P-cores + 16 E-cores) up to 5.7 GHz
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Availability:
In Stock.
Arrives
Sunday, Jul 6
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Features
- Get ultra-efficient with Intel Core Ultra desktop processors that improve both performance and efficiency so your PC can run cooler, quieter, and quicker.
- Core & Threads 24 cores (8 P-cores + 16 E-cores) and 24 threads. Integrated Intel Graphics included
- Performance Hybrid Architecture Integrates two core microarchitectures, prioritizing and distributing workloads to optimize performance
- Performance Unlocked Up to 5.7 GHz unlocked. 40MB Cache
- Compatibility Compatible with Intel 800 series chipset-based motherboards
- PCIe Express Version Turbo Boost Max Technology 3.0, and PCIe 5.0 & 4.0 support. Intel Optane Memory support. No thermal solution included
Description
Intel Core Ultra 9 desktop processor 285K. Featuring PCIe 5.0 & 4.0 support and DDR5 support, unlocked Intel Core Ultra 9 desktop processors (series 2) are optimized for enthusiast gamers and serious creators and help deliver high performance. Compatible with Intel 800 Series Chipset based motherboards. 125W Processor Base Power.
Brand: Intel
CPU Manufacturer: Intel
CPU Model: Core i9
CPU Speed: 5.7 GHz
CPU Socket: LGA 1851
Processor: 5.7 GHz core_i9
Brand: Intel
Item model number: Intel® Core™ Ultra 9
Item Weight: 10.6 ounces
Product Dimensions: 13.27 x 6.42 x 0.04 inches
Item Dimensions LxWxH: 13.27 x 6.42 x 0.04 inches
Processor Brand: Intel
Number of Processors: 24
Voltage: 28 Volts
Batteries: 1 AAAA batteries required.
Manufacturer: Intel
Language: English
Country of Origin: China
Date First Available: October 24, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Jul 6
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: Processor
Not sure what to say.... Intel Core Ultra 9 285K (Arrow Lake family) is the newest Intel processor, released at the end of October 2024. According to Wikipedia, it uses a a variety of new production and packaging technologies, and for this reason it no longer follows the standard Intel generations and numbering of the type i5, i7, i9. Reportedly, it consists of at least 4 chips, all build by TSMC (the CPU itself is built using TSCM's cutting edge N3B technology, which Intel cannot built itself so far, while Intel does the last step, packaging of all chips on an interposer. Intel sees this technology as a blueprint for future generations of CPUs, and the new socket, LGA1851, is a new development which Intel, according to the trade publications, plans to use for several future generations. Hence, in terms of upgradability of CPU on an existing motherboard, it seems to be the best bet across Intel CPUs. High performance and relatively low power are main features of this CPU. This particular package includes on CPU itself, but no thermal paste and of course no cooler. Very easy to drop into the socket. Excellent speed. Intel's design, TSMC's leading edge manufacturing.
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Reviewed in the United States on May 3, 2025 by A.I.
Style: Processor
Every so often you find out Microsoft and Apple won’t upgrade the Operating Systems on your computers that you bought or built in the past. If you’re a Gamer or a Designer working with AI you want the BEST and FASTEST. Sometimes you have to compromise, a little, a 5080 vs. a 5090. But I don’t feel that I compromised on the CPU with this purchase. Glad I built my new beast before Tariffs impacted Foreign products. My build uses an ASUS Z-890 White Motherboard and a NZXT Kraken Elite Pro AI cooler. My one Recommendation is to secure your Intel i9 CPU using a Thermal Grizzly Contact Frame. The NZXT AI CPU mount does NOT provide adequate pressure for the Intel CPU chip, my PC would not boot. The AI CPU Mount that shipped with my Arctic Liquid Cooler III worked GREAT but I wanted the Kraken Elite Pro Display for CPU and GPU Temp feedback.
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Reviewed in the United States on May 3, 2025 by Erik Swanson Erik Swanson
Style: Processor
Had to minimize core use with Folding at Home. The chip is much faster than my old Socket 2011 system, which was much faster than the SW Engineering systems we use at work (large fed gov SW work) but this 15th gen i9 just doesn't slow down. Even the Arctic Liquid Freezer 3 (with 3x140mm) is taxed to keep it cool and that cooler has high ratings.
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Reviewed in the United States on May 31, 2025 by Wesley Davis
Style: Processor
Very fast CPU once paired with high-end ram and overclocked. By default not all that revolutionary! 5.6p, 5.0e, D2D 40, NGU 35, Ring 4.2 GHz, DDR 8000. Memory bandwidth: 128 GB/s 48GB Beats even the 7950 and 14900K in some workloads, but any CPU in the last gen with faster clockspeed will be better for games.... this is faster than the Raptor Lake for CPU based rendering etc. It can OC even more than I have set, but heat is becoming a issue for my AIO at such high loads and benchmarks. It only runs hot when benchmarking or stress testing, under normal gaming it doesn't sweat at all, under idle-like temps. Crazy.
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Reviewed in the United States on May 5, 2025 by Amazonist
Style: Processor
Arrived quickly and works great
Reviewed in the United States on June 16, 2025 by GR
Style: Processor
Ui9 285K, GB Z890 AE WiFi 7 MB, temporarily using integrated Intel graphics. After many builds, 30+ years, due to unavailability of the competitors top end CPU I decided on seeing what Intel had to offer. This was my first Intel CPU build and WOW, super efficient, impressive clock and core management. I like Intel's approach to splitting cores between efficiency and performance, perfect for a workstation, occasional gaming where CPU demand can vary substantially. Simple WS tasks, CPU is a 0-1% load, 1 GHz, many cores are parked or have zero load, CPU temp ~30-32C , speed bumps up in speed momentarily during app launch but doesn't stay there for long. Looking forward to linking this up with a nice GPU someday, that's if people would stop buying to scalp GPUs and they become available again.
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Reviewed in the United States on April 12, 2025 by John
Style: Processor
It’s a workhorse!
Reviewed in the United States on June 16, 2025 by J0P
Style: Processor
I recently purchased it. The product has significant issues that have rendered it unusable for my professional needs: The processor exhibits shadows that appear to be damaged clusters. Even when working solely with RAM, the processor cannot efficiently run structural design programs like AutoCAD. The performance is extremely slow, significantly hindering my productivity. I am deeply disappointed with Intel's quality control on this product. Despite its high price and claims of being unlocked, it fails to deliver the expected performance and productivity.
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Reviewed in the United States on December 23, 2024 by Tudel Torres