Question 1

can i run this on a 750w power supply if the gpu requires 650w?

Accepted Answer

Power supplies do not push out wattage, they only let out what is demanded.  A low wattage power supply only means that it will burn out faster because it is working near capacity all the time.  Extra power or wattage, just means it is not working near capacity, and will last longer as it does not have to work as hard.

Question 2

I put these on auto-notify for 11/4 release, are they sold out?  I never got a notification, and not sure what time these go on sale.

Accepted Answer

I got the notification early in the morning. It said it would be available 11/04/21and I ordered it. I just got the notification that it was being shipped. But now it says sold out with no date?  Keep checking as I doubt the demand is that high like GPUs.

Question 3

Are there known compatibility issues between the Intel Core i9-12900K and certain Z690 or Z790 motherboards that affect PCIe lane configuration or memory support?

Accepted Answer

Compatibility between the Intel Core i9-12900K and most Z690 or Z790 motherboards generally isn’t an issue, but some boards may require a BIOS update to ensure full support for PCIe lane configurations and DDR5 memory. The CPU supports PCIe 5.0 and DDR5, but actual lane distribution or memory compatibility depends on the motherboard’s design and firmware.

If you’re planning to use DDR5 RAM or PCIe 5.0 NVMe SSDs, check the motherboard’s QVL (Qualified Vendor List) and BIOS version details before buying. Some boards with older BIOS may fall back to PCIe 4.0 or have limited memory speeds until you update, so updating BIOS right away is the safest move for best performance and compatibility.

Question 4

What is the thermal design power (TDP) of the Intel Core i9-12900K, and how does its power consumption impact cooling solutions?

Accepted Answer

The Intel Core i9-12900K has a thermal design power (TDP) of 125W, which represents its base power consumption under standard workloads. However, it can spike up to a maximum turbo power of 241W when boosting under heavy loads, so you’ll want a cooling solution that can handle those peaks rather than just the base level.

Because the CPU can draw nearly double its base TDP in turbo mode, using a high-quality air cooler or a liquid AIO cooler is recommended for sustained performance and temperature control. If you’re overclocking or doing heavy multitasking, investing in stronger cooling avoids thermal throttling and keeps your system stable.

Question 5

Ok you lucky ones who got one of these. Tell me, what cooler are you using that is compatible? I find that there is not a lot to choose from yet that come with a Socket (LGA 1700 bracket. At least none that I like all that much.

Accepted Answer

Got mine with the corsair combo, look at the mobo's that are out there. Alot of the ASUS boards have a second set of holes drilled for backwards compatibility with the 1200 mounting bracket. Or you can purchase the adapter screws from corsair, they won't RMA them to you. (I'm leaving them a 4-star review)

Question 6

What are the recommended steps and best practices for mounting an aftermarket cooler on the Intel Core i9-12900K to ensure optimal thermal performance?

Accepted Answer

Mounting an aftermarket cooler on the Intel Core i9-12900K requires careful installation to ensure good contact with the CPU’s integrated heat spreader, as this processor can draw up to 241W under turbo load. Start by cleaning both the CPU and cooler base, apply a thin, even layer of high-quality thermal paste, and follow the cooler manufacturer’s instructions for the LGA 1700 socket mounting bracket to secure it tight but not overly so.

Because the i9-12900K can run hot during demanding tasks, choose cooling solutions rated for high thermal loads—usually a 240mm or larger liquid cooler or a substantial air cooler with a direct contact heat pipe design works best. Keep in mind that thicker thermal paste or uneven mounting pressure can hurt thermal performance, so take time to apply the paste properly and evenly distribute the mounting force.

Question 7

Is the Intel Core i9-12900K a good investment for a first-time PC builder on a budget, or should I consider a more affordable CPU?

Accepted Answer

The Intel Core i9-12900K is a high-performance CPU with 16 cores and a base power of 125W, which makes it more suited for demanding tasks like gaming, content creation, and multitasking. For a first-time builder on a tight budget, it might be overkill since it requires a capable cooling solution and a compatible LGA 1700 motherboard, which could add to the overall cost.

If you're prioritizing cost-efficiency and ease of build, a more affordable CPU like an Intel i5 or AMD Ryzen 5 could deliver very good performance for general use and gaming without pushing your budget too far. The i9-12900K shines in heavy workloads, but for most entry-level or mid-range setups, the extra horsepower might not be fully utilized.

Question 8

How does the ease of installation and motherboard compatibility of the Intel Core i9-12900K compare to the AMD Ryzen 9 5900X?

Accepted Answer

The Intel Core i9-12900K uses the LGA 1700 socket, so it requires a compatible 600 or 700 series motherboard, which generally supports easier upgrades with BIOS updates. Installation is straightforward if you have the right cooler for the 125W base power and the LGA 1700 mounting system, but it does require careful alignment due to the socket’s design. The Ryzen 9 5900X uses the AM4 socket, which has been around longer, meaning more affordable motherboard options and broad compatibility without BIOS updates for most boards.

Keep in mind, the Intel chip’s need for a newer motherboard might add to your build cost, while AMD’s AM4 platform is more mature with a wider selection of boards. If you don’t already have a motherboard, either platform works well, but for upgrades, Intel might require more consideration around motherboard compatibility. Cooling is another practical point—both CPUs benefit from good cooling, but the i9-12900K’s higher turbo power might push you toward a stronger cooler.

Question 9

Description says: Intel 7 Alder Lake Processor Base Power: 125W. Is this in comparison or is this a wrong product image (says i9)?

Accepted Answer

The product description confirms that the Intel Core i9-12900K has a Base Power of 125W, which aligns with its specifications.

Question 10

Is the Intel Core i9-12900K CPU reliable?

Accepted Answer

Yes! Mine has been running strong since 2022

Brand	Intel
Processors Type	Desktop
Series	Core i9 12th Gen
Name	Core i9-12900K
Model	BX8071512900K

CPU Socket Type	LGA 1700
CPU Code Name	Alder Lake
# of Cores	16-Core (8P+8E)
# of Threads	24-Threads
Operating Frequency	P-core Base Frequency: 3.2 GHz E-core Base Frequency: 2.4 GHz
Max Turbo Frequency	Intel Turbo Boost Max Technology 3.0 Frequency: Up to 5.2 GHz Single P-core Turbo Frequency: Up to 5.1 GHz Single E-core Turbo Frequency: Up to 3.9 GHz
L2 Cache	14MB
L3 Cache	30MB
Manufacturing Tech	Intel 7
Instruction Set	64-Bit
Hyper-Threading Support	Yes
Memory Types	DDR4 3200 / DDR5 4800
Memory Channel	2
Max Memory Size	128 GB
ECC Memory	Supported
Max Memory Bandwidth	76.8 GB/s
Virtualization Technology Support	Yes
Integrated Graphics	Intel UHD Graphics 770
Graphics Base Frequency	300 MHz
Graphics Max Dynamic Frequency	1.55 GHz
PCI Express Revision	5.0 / 4.0 / 3.0
Max Number of PCI Express Lanes	20
Thermal Design Power	Processor Base Power: 125W Maximum Turbo Power: 241W
Cooling Device	Cooling device not included - Processor Only
Operating System Supported	Windows 11

Attribute	Value
Best For	Desktop PC builds needing a 16-core, 24-thread processor with integrated graphics and an LGA 1700 socket
Cores And Threads	16 cores in an 8-performance-core and 8-efficiency-core configuration, with 24 threads and Hyper-Threading support
Clock Speeds	P-core base frequency of 3.2 GHz and E-core base frequency of 2.4 GHz; turbo frequencies reach up to 5.2 GHz with Intel Turbo Boost Max Technology 3.0, 5.1 GHz for a single P-core, and 3.9 GHz for a single E-core
Cache And Power	14 MB L2 cache and 30 MB L3 cache; 125 W processor base power and 241 W maximum turbo power
Socket And Platform	LGA 1700 socket, Alder Lake architecture, Intel 7 manufacturing process, 64-bit instruction set, and Windows 11 support
Memory Configuration	Supports DDR4-3200 or DDR5-4800 memory, two memory channels, up to 128 GB, ECC, and up to 76.8 GB/s memory bandwidth
Integrated Graphics And Expansion	Intel UHD Graphics 770 with a 300 MHz base frequency and up to 1.55 GHz dynamic frequency; supports PCI Express 5.0, 4.0, and 3.0 with up to 20 lanes
Additional Capabilities And Cooling	Supports virtualization technology; cooling device is not included
Model Identifiers	Intel Core i9-12900K, Core i9 12th Gen; model BX8071512900K

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Intel Core i9-12900K - Core i9 12th Gen Alder Lake 16-Core (8P+8E) 3.2 GHz LGA 1700 125W Intel UHD Graphics 770 Desktop Processor - BX8071512900K

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Item#: N82E16819118339