6 BEST Motherboards for i9-12900K: DDR4 & DDR5

With the release of the Alder Lake line-up, Intel surprised its competition with the addition of more cores and threads in each of its entries. Not only are the flagship CPUs improved, but there is an equal overhaul in the Core i3, Core i5, and Core i7 processors as well. As a result, the Core i9-12900K is one of the fastest gaming processors currently on my test bench. My test results make it clear that it needs to be paired with a powerful and feature-rich motherboard in order to maximize its potential.

Our Picks With Comparison Table

Get an overview of our recommended motherboards for the Core i9-12900K in this comparison table:

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If you’ve got the Core i9-12900K, be sure to take a look at our expert guides:

• Best CPU Cooler For i9-12900K
• Best RAM For i9-12900K

Best Motherboards For i9-12900K

Through my testing and firsthand experience, these motherboards are the ones I’ve chosen for the i9-12900K:

1. Best Value Motherboard For i9-12900K: Gigabyte Z690 AORUS Pro
2. Best Overclocking Motherboard For i9-12900K: Gigabyte Z690 AORUS Xtreme
3. Best DDR4 Motherboard For i9-12900K: ASUS ROG Strix Z690-A Gaming
4. Best Gaming Motherboard For i9-12900K: Gigabyte Z690 AORUS Elite AX DDR4
5. Best White Motherboard For i9-12900K: Gigabyte Z690 AERO G
6. Best Entry-Level Motherboard For i9-12900K: ASUS Prime Z690M-Plus

Gigabyte Z690 AORUS Pro

Best Value Motherboard For i9-12900K 

Specifications= Chipset: Z690 | Memory: DDR5 6200, 128GB | Video Outputs: Display Port | USB Ports: 1x USB Type C, 4x USB 3.2, 4x USB 3.0 | Network: 2.5 GbE, Wi-Fi 6E | Storage: 3x M.2, 6x SATA 3

Design and Build Quality: The AORUS Pro has a very typical assortment and appearance, but this time you get a very slight RGB light show because of its price barrier. The entire PCB is covered by all-black heat spreaders that give it a stealthy look. The 6-layer PCB provides a sense of durability and reliability to the board.

Performance: The robust 16+1+2 Direct Digital VRM design plays a vital role in cranking up the CPU clocks a bit high for better results. The CPU is powered by 8+2 pin PSU power cables, which means that there is room for overclocking the Core i9 12900K on it, as confirmed by my testing.

Features and Connectivity: The Gigabyte Z690 AORUS Pro motherboard works with the high-speed DDR5. There are four DDR5 slots on the board, ready to fit up to the greatest limit of 128GB. The mainboard upholds XMP 3.0 as well. The storage is handled by 3 M.2 slots and 3 SATA ports, while the networking is covered by a 2.5 GbE LAN port and WiFi 6E.

What Makes It The Best Value Motherboard For i9-12900K?

Having DDR5 support and a 19-phase robust VRM design at a reasonable price tag is one of the commendable features of the Gigabyte Z690 AORUS Pro. Looking at all the extraordinary specs and an aggressive dark design, this affordable motherboard qualifies as the best value motherboard for i9 12900K.

Performance: 8.5/10	Value: 10/10
Features: 9/10	Design: 8/10

Gigabyte Z690 AORUS Xtreme

Best Overclocking Motherboard For i9-12900K

Specifications= Chipset: Z690 | Memory: DDR5 6600, 128GB | Video Outputs: N/A | USB Ports: 2x Thunderbolt ports, 10x USB 3.2 Gen 2 | Network: AQC113C 10GbE (LAN1), Intel 2.5GbE (LAN2), Intel Wi-Fi 6E AX210 | Storage: 3x M.2, 4x SATA 3

Design and Build Quality: The whole circuitry of this motherboard is hidden behind a well-brushed metallic shield. You cannot see the PCB pretty much from the rear side because the whole backside is covered with a metallic backplate, giving it a premium look. The Z690 AORUS Xtreme is a dull board color-wise, dipped in dark and gunmetal colors.

Performance: Checking out the VRM, the Z690 AORUS Xtreme has a combination of 8-pin EPS 12V and a 20+1+2 Direct Digital VRM unit. The VRM is all about handling the CPU with stability, and the Gigabyte Z690 Aorus Xtreme proves to be an excellent overclocker according to my test results.

Features and Connectivity: Under the heatsink, there is a sum of four M.2 slots. The primary M.2 opening is associated with the CPU, while the last three go to the chipset. On the back I/O panel, there are 10 x USB 3.2 ports and 2 x USB Type-C ports with Thunderbolt 4 compatibility. The additional Wi-Fi 6E is just the cherry on top.

What Makes It The Best Overclocking Motherboard For i9-12900K?

The 23-phase total VRM design, along with a host of marvelous features, make the Gigabyte Z690 AORUS Xtreme the best overclocking motherboard for i9 12900K.

Performance: 9/10	Value: 7.5/10
Features: 9/10	Design: 8.5/10

ASUS ROG Strix Z690-A Gaming

Best DDR4 Motherboard For i9-12900K

Specifications= Chipset: Z690 | Memory:  DDR4 5333, 128GB | Video Outputs: HDMI, DP Port | USB Ports: 8x USB 3.2, 1x Type-C, 2x USB 2.0 | Network: Intel 2.5GbE, Intel Wi-Fi 6E | Storage: 4x M.2, 6x SATA 3

Design and Build Quality: The ROG Strix Z690-A strikes a balance of black and white in its design language. While the entire PCB is black, the board uses white heatsinks and a white I/O cover for a contrasting look. The aesthetics of the board are quite attractive and make it stand out from the crowd.

Performance: The reliable 16+1 phase DrMos VRM design with ProCool II connectors ensures a decent OC potential for the Core i9-12900K. You could even apply AI Overclocking to overclock the processor. Manually, however, the ASUS ROG Strix Z690-A performed admirably in my overclocking tests.

Features and Connectivity: The Strix Z690-A features support for DDR4 memory up to 5333 MHz, along with a host of excellent storage features. The 4 M.2 slots and 6 SATA ports ensure widespread support for modern storage devices. For connectivity, the 11 rear USB ports provide a solid balance of speed and functionality.

What Makes It The Best DDR4 Motherboard For i9-12900K?

The 17-phase VRM design of this DDR4 motherboard favors overclocking lovers. Other than the overclocking, its white finish and plenty of USB ports at an affordable price help it qualify as the best DDR4 motherboard for i9 12900K.

Performance: 8.5/10	Value: 8.5/10
Features: 8/10	Design: 8/10

Gigabyte Z690 AORUS Elite AX DDR4

Best Gaming Motherboard For i9-12900K

Specifications= Chipset: Z690 | Memory:  DDR4 5000, 128GB | Video Outputs: HDMI | USB Ports: 9x USB 3.2, 4x USB 2.0 | Network: Intel I225-V (2.5 Gbps), Intel Wi-Fi 6 | Storage: 3x M.2, 6x SATA 3

Design and Build Quality: Having a look over the Z690 AORUS Elite, we see a matte-dark PCB alongside some dim lines wrought on the board matching the heatsinks and covers. The VRM heatsink exhibits the AORUS trademark, while the chipset has an AORUS Eagle with a glossy finish.

Performance: The AORUS Elite AX uses a solid 16+1+2 phase VRM design that performs quite well when overclocking the Core i9-12900K according to my test results. It provides plenty of power for stable operation, while the cooling solution keeps the VRM components cool even during stressful scenarios.

Features and Connectivity: It has WiFi 6, PCIe 5.0 slots, and a very solid connectivity suite. One thing it lacks is DDR5 RAM support but for a good reason. The storage is handled by 3 M.2 slots and 3 SATA ports, while the rear I/O has 9 USB 3.2 and 4 USB 2.0 ports for versatile connectivity options.

What Makes It The Best Gaming Motherboard For i9-12900K?

The Gigabyte Z690 AORUS Elite AX DDR4 comes at an affordable price with decent overclocking support. With this motherboard, you can run all your top-notch components without bottlenecking. You might not be able to benefit from DDR5 speeds, but its overall feature set makes it the best gaming motherboard for i9-12900K.

Performance: 9/10	Value: 8/10
Features: 8.5/10	Design: 8/10

Gigabyte Z690 AERO G

Best White Motherboard For i9-12900k

Specifications= Chipset: Z690 | Memory:  DDR5 6000, 128GB | Video Outputs: HDMI, Display port | USB Ports: 2x USB 2.0, 6x USB 3.2, 1x Type-C | Network: Intel 2.5GbE, Wi-Fi 6 (802.11ax) | Storage: 4x M.2, 6x SATA 3

Design and Build Quality: The Gigabyte Z690 AERO G has a spectacular white design that elevates it above the competition. The PCB is covered with massive white heatsinks and it has a big shroud over the I/O panel, which looks pretty cool when paired with a white AIO Cooler and a white-colored graphics card.

Performance: Boasting a powerful 16+1+2 phase VRM design, the Gigabyte Z690 AERO G is perfectly well-equipped to handle the Core i9-12900K. My testing confirms that this power delivery system is capable of overclocking the Core i9-12900K as well while staying cool and stable.

Features and Connectivity: The Gigabyte Z690 AERO G puts together one high-speed slot of PCIe 5.0 x16, with two full-length slots of PCIe 3.0 x4. In storage expansion, we have 3x slots of PCIe 4.0 x4 M.2, with 6x SATA ports. Connectivity is pretty decent thanks to 9 rear USB ports including a Type-C port.

We asked our trusted motherboard expert, Nauman Siddique, for his perspective on the Gigabyte Z690 AERO G.

“The GIGABYTE Z690 AERO G is a mid-range motherboard aimed at content creators with almost a balanced set of features to deliver a satisfactory high-performance to the users”.

What Makes It The Best White Motherboard For i9-12900K?

The affordable price, DDR5 support, and decent enough performance of this white motherboard make it the best white motherboard for i9 12900K.

• ⭐ Read our Gigabyte Z690 AERO G Review

Performance: 8.5/10	Value: 8.5/10
Features: 9/10	Design: 9/10

ASUS Prime Z690M-Plus

Best Entry-Level Motherboard For i9-12900k 

Specifications= Chipset: Z690 | Memory:  DDR4 5333, 128GB | Video Outputs: HDMI, Display port | USB Ports: 6x USB 3.2, 2x USB 2.0 | Network: Intel 2.5GbE | Storage: 4x M.2, 4x SATA 3

Design and Build Quality: Being an entry-level motherboard, the Prime Z690M-Plus has a pretty basic design with no glamorous additions like RGB lighting. It features a black PCB with silver heatsinks that give it a nice look. The micro-ATX form factor means that it is a compact motherboard that is perfect for small form factor builds.

Performance: ASUS Prime Z690M-Plus has an upgraded VRM in comparison with its predecessor: 10+1 phase DrMOS, 4-pin+8-pin ProCool connectors, a combination of sturdy capacitors, and resistors for stable power transmission. The ASUS Prime Z690M-Plus also comes with a complete cooling package featuring a large VRM heatsink.

Features and Connectivity: The board supports DDR4 RAM starting from 2133 MHz to 3200 MHz and to 5333 in the overclocking perspective. The four M.2 slots and four SATA ports are perfect from a storage perspective, while the Intel 2.5 GbE LAN is sufficient for networking. I would have liked to see the inclusion of WiFi as well.

What Makes It The Best Entry-Level Motherboard For i9-12900K?

The ASUS Prime Z690M-Plus did not compromise on the RAM frequency, unlike its competitors. It features a maximum RAM frequency of 5333 MHz, which also makes it valuable from an overclocking perspective. So, packing up all these features at an affordable price qualifies as the best entry-level motherboard for i9 12900K.

Performance: 8/10	Value: 9/10
Features: 8/10	Design: 8.5/10

How We Tested & Picked These Motherboards For i9-12900K

These are the vital factors to keep in mind when you’re in the process of buying a motherboard.

• Chipset: Firstly, you should look for a compatible chipset for your processor. You can go to the vendor’s website and look for a well-suited chipset. As for Intel, all 12th-generation processors support 600 series chipsets, including Z690, H670, B660, and H610. Z690 is the most premium chipset with exclusive support for CPU overclocking.
• VRM: The i9-12900k is a power-hungry CPU compared to the other processors in the series. It needs a steady and consistent power supply for competitive performance which is the motherboard’s responsibility. That’s where the VRM has its holding. The better the VRM, the more solid and steady the power, allowing the CPU to go above its limits.
• Form Factor: Before buying the motherboard, you should know the form factor and what type of build you want. Small builds and bigger builds don’t fit in the same motherboard size. There are different motherboard sizes in the market, including some popular ones like ATX, Micro ATX, and Mini-ITX.
• I/O Connectivity: For the purposes of expansion, you need USB ports and PCIe expansion slots. Different gadgets like GPUs and SSDs have compatible PCIe interfaces. You will also love having the latest USB interfaces for your PC for high-speed access, which will help improve the performance of your PC overall.
• Aesthetics: Design is personal to everyone, but you can look out for some things like the PCB color, heatsink color, and the inclusion of lightning. Motherboards can have different color PCBs and heatsinks to form a contrasty look. Along with that, there’s also support for single-colored LED or RGB in some motherboards.

Our testing extends to a wider array of Intel 12th Gen motherboards:

• Best Motherboards For i7-12700K
• Best Motherboards For i5-12600K
• Best Motherboards For i3-12100F

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