The i9-9900K from Intel is one of the top CPUs for high-end gaming and streaming performance. When paired with the correct components, it can transform into a beast. It features everything a gaming fan needs for peak performance.

With 8 cores and 16 threads, it is also an incredible powerhouse for multimedia creators. However, matching this processor with the appropriate motherboard can be difficult. The truth is that with so many various types of connectors and chipsets, it can be difficult to keep track of everything. We’ve investigated and extensively examined the market for the best motherboards for the Intel i9 9900k processor to make things easy for you.

Best Motherboards for i9 9900K in 2021

  1. Best High-Performance Motherboard for i9 9900K  – Gigabyte Z390 AORUS Xtreme
  2. Best Budget Gaming Motherboard for i9 9900k – MSI Z390-A PRO LGA1151
  3. Best Mid-range Motherboard for i9 9900k – Asus Prime Z390-A Motherboard
  4. Best ATX Motherboard for i9 9900k – MSI MPG Z390 Gaming Plus
  5. Best Micro-ATX Motherboard for i9 9900k MSI MPG Z390M Gaming Edge
  6. Best RGB Gaming Motherboard for i9 9900k – GIGABYTE Z390 AORUS ULTRA
  7. Best Motherboard for i9 9990k and RTX 2080 ti – GIGABYTE Z390 AORUS PRO
  8. Best mini-ITX Motherboard for i9 9900k – MSI MPG Z390I Gaming Edge
  9. Best Z390 Budget Motherboard for i9 9900k – GIGABYTE Z390 Ultra Durable
  10. Best High-end Motherboard for i9 9900k – ASUS ROG Maximus XI Hero

What is the best motherboard for an Intel Core i9 9900k?

Taking into account all of the features and power of the Gigabyte Z390 AORUS Xtreme, we believe it is the best motherboard for i9 9900k.

How much RAM do I require for an i9 9900k?

You can use the maximum RAM supported by your motherboard to maximize the performance of your PC when utilizing Intel’s i9 9900k. Having said that, RAM is not directly tied to CPU performance, but it does provide smooth multitasking in apps.

Is liquid cooling required for the i9 9900k?

There are several aspects to consider before choosing liquid cooling for the i9 9900k. If your motherboard has good VRM phases and good heat dissipation via heat sinks, you can get by with just the CPU Fan Cooler. However, if you want to overclock the CPU to its full capability, you should use liquid cooling.

What is the best GPU for an Intel Core i9 9900k?

Despite the fact that it is dependent on what you consider to be the finest. The current RTX 2080Ti, on the other hand, is unquestionably a powerful GPU to match with an i9 9900K. It is powerful enough to run the majority of today’s resource-intensive programs and games with ease.

1. Gigabyte Z390 AORUS Xtreme

Best High-Performance Motherboard for i9 9900K

  • Supports 9th and 8th Gen Intel Core processors
  • Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs
  • Intel Optane Memory Ready
  • 16 phases IR digital VRM solution with the power stage
  • Cutting-edge thermal design with Fins-Array heatsink, direct touch Heat pipe and Nanocarbon baseplate

The Z390 Arous Xtreme combines tremendous performance with flawless integration. This motherboard stands out from the crowd thanks to a variety of characteristics. It has a USB thunderbolt turbocharger, which is ideal for gaming aficionados who need to charge their portable devices quickly. In addition, the motherboard has three m.2 slots that can support both PCI 3.0e and PCIe 4.0.

What is the bottom line with PCI e4.0?

The new PCIe 4.0 module can transfer data at up to 16Gb/s across more current SSDs and graphics devices. In a nutshell, exceptional and smooth performance. Furthermore, the motherboard includes two 8-pin CPU connectors to give adequate resources for overclocking.

With a sophisticated 16-phase digital VRM cooling architecture, the chipset can readily endure those harsh and rough gaming sessions. This feature ensures that VRM temperatures are kept under control regardless of how hard you work at it. We have a handful of LED strip headers and two RGB LED strip headers on the back. Aorus’ RGB fan commander is also included with the motherboard. You can use this control hub to connect extra fan headers and RGB lighting strips.

The motherboard supports up to 128 GB of RAM via four DIMM slots, each with a clock speed of 4400MHz. Overall, the z390 chipset has an appealing design that is ideal for today’s gamers. The PCB is matte black, with the rest of the housing in gun metallic, including heat sinks and caps. Multiple zones of RGB lighting are housed on the motherboard. With Gigabyte’s RGB Fusion software, you may further configure these lights to match your gaming setup.

One thing to keep in mind is that this motherboard is only compatible with the ATX form factor.

2. MSI Z390-A PRO LGA1151

Best Budget Gaming Motherboard for i9 9900k

  • Supports 9th i9-9900K, i7-9700K, i5-9600K and 8th Generation Intel Core / Pentium Gold / Celeron processors for LGA 1151 socket
  • Supports dual channel ddr4 memory, up to 4400(OC) MHz
  • Turbo M.2: PCI-E gen3 x4 interfACe maximizes performance for NVME SSDS
  • Core Boost, 8+4 pin CPU power connector, ddr4 boost
  • Built for reliable operation
  • Operating system – Support for Windows 10 64-bit
  • Intel Turbo USB 3.1 gen2: powered by intel USB 3.1 gen2 controller, turbo USB ensures an uninterrupted connection with more stability and fastest USB speeds
  • Multi-GPU: With steel armor PCI-e slots. Supports 2-way amd crossfire
  • Extended heatsink Design: MSI extended PWM and enhanced circuit design ensures even high-end processors run at full speed.

It would be an understatement to call the MSI Z390-A motherboard the best entry-level motherboard for i9-9900k. The motherboard has four DIMM slots, each with a clock speed of 4400Mhz and a maximum capacity of 64GB.

MSI has gone above and beyond with an enlarged heatsink on the VRM, providing adequate cooling to disperse the excess heat. There is an abundance of all necessary I/O ports in the back. Surprisingly, there are USB 3.1 and a USB-C connector among the I/O ports. In terms of design, it has a really appealing layout. Even though it lacks the gun metallic and matte black finishes, it looks fine in the coffee brown PCB.

Unfortunately, this motherboard lacks much of the flashy RGB or LED lighting that would complement the looks of your next gaming PC. In terms of storage, the motherboard falls short, with only one m.2 slot available. This is a disaster for anyone searching for additional storage choices if it goes down the drain. Nonetheless, the m.2 socket can power PCIe NVME SSDs with up to 32Gb/s of turbo transfer speed.

Given the pricing, this motherboard’s capacity for producing fantastic overclocking results is also relatively limited, but it has an exceptional performance in store. It should be noted that this motherboard can only be installed in a micro-ATX form factor.

3. Asus Prime Z390-A Motherboard

Best Mid-range Motherboard for i9 9900k

  • Designed for 9th and 8th generation Intel Core processors to maximize connectivity and speed with M. 2, USB 3. 1 Gen2 and ASUS Optimum II for better DRAM overclocking stability
  • Revamped 5-Way Optimization that has the intelligence to overclock a CPU based on smart prediction and thermal telemetry. OptiMem II: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking
  • 5X Protection III Hardware-level safeguards with Safe Slot Core, LAN Guard, Overvoltage Protection provide longevity, reliability. FanXpert 4 delivers advanced fan control for dynamic system cooling
  • Patent-pending Safe Slot Core fortified PCIe slots prevent damage caused by heavyweight GPUs
  • 8-channel HD Gaming Audio featuring Realtek ALC887 high definition audio codec

With its Prime Z390 motherboard, ASUS simply provided a great blend of cost and a fully-featured motherboard. In essence, this is a motherboard with all of the necessary functions at the lowest possible price.

The motherboard has four DIMM slots that can support up to 64GB of DDR 4 RAM that can be overclocked to 4266 MHz. The motherboard includes two m.2 slots for storage. These slots are equipped with Intel Optane Ready, which allows for data transfers at a staggering 32 Gb/s. Both of these holes should ideally contain thermal pads for improved heat diffusion.

On the I/O front, the motherboard includes USB C and USB 3.1 connectors. The front panel even has a USB C port, which is a plus. In terms of cooling, the motherboard outperforms its competitors. Both the chipset and the m2 slots have their own heatsink and heatshield. There are also seven fan connectors. The connections are compatible with Asus’ AURA Sync. To put it another way, the RGB components can synchronize colors.

There are two RGB Strips in terms of looks. The shields are plain silver, with a matte black PCB. The sole drawback is that it lacks a protective backplate and an addressable RGB connection.

4. MSI MPG Z390 Gaming Plus

Best ATX Motherboard for i9 9900k

  • Supports 9th i9-9900K, i7-9700K, i5-9600K and 8th Generation Intel Core / Pentium Gold / Celeron processors for LGA 1151 socket
  • Supports dual-channel DDR4 Memory, up to 4400(OC) MHz
  • 2x TURBO M.2, Intel Optane Memory Ready. Turbo USB 3.1 GEN2, Extended Heatsink
  • Intel CNVi Ready: Supports Intel CNVi Wi-Fi module, IEEE802.11 AC wave2
  • Built for esports, streaming, and gaming. Operating system: Support for Windows 10 64-bit

MSI’s Z390 Gaming Plus motherboard is part of the company’s ‘MSI Performance Gaming’ range. This portfolio is totally gaming and performance-focused, with just enough resources to run the latest i9-9900k processors and RTX 2080ti graphics cards. In a word, MSI’s focus with its Z390 motherboard has been completely on giving all of the latest gaming arena features. The quality is not reduced, which is unexpected given the low price.

In terms of storage, the motherboard has dual m.2 slots that are integrated with Intel’s Optane Ready technology. SSDs are powered by Intel’s Optane technology, which allows them to transfer data at speeds of up to 32Gb/s. What’s the catch? Both of these sockets lack heat sinks, which are essential for heat dissipation in such high-speed data transmissions.

The primary m.2 slot is adjacent to the PCI-e slot, which doesn’t help with heat dispersal. On the memory aspect, the motherboard has dual-channel memory slots with up to 64GB of DDR 4 overclockable at 4.4 GHz. The motherboard includes 6 PCIe slots, with the primary PCIe slots supporting up to 16x bus speed. The primary PCIe 16x slot is likewise strengthened with metal. The PCIe slots are not SLI compatible, although they do support AMD crossfire. In other words, you cannot use two NVidia graphics cards at the same time. However, using AMD’s Crossfire, it is possible to run two AMD graphics cards optimally.

MSI takes the lead in the I/O housing by extending the heat sink to cover the I/O module, which is impressive for heat dissipation. The chipset includes seven PWM fan connections. If you’re searching for a setup with custom water cooling, one of these PWM hookups even includes the water pump. The I/O port includes four USB 3.1 2nd generation ports capable of transferring data at a rate of 5Gb/s. It also contains HDMI and DVI inputs, as well as 8 channel audio connections.

MSI could have done much better in terms of aesthetics, as it only has two LED strips and no RGB illumination. Nonetheless, the processor includes two RGB connections for gamers to increase their aesthetics.

5. MSI MPG Z390M Gaming Edge

Best Micro-ATX Motherboard for i9 9900k

  • Supports 9th i9 9900k, i7 9700k, i5 9600k and 8th Generation Intel Core/ Pentium Gold/ Celeron Processors for LGA 1151 socket
  • Supports dual-channel DDR4 Memory, up to 4500(OC) MHz; Operating System: Support for Windows 10 64 bit
  • 2x Turbo M; 2, Intel Optane Memory Ready, Turbo USB 3; 1 Gen2
  • Mystic Light: 16; 8 million colors/ 29 effects; Connect RGB or rainbow LED strips with addressable headers and create an RGB Gaming PC; Control Mystic Light Sync enabled products
  • Built for high-performance gaming: extended heatsink, Micro ATX (Matx) form Factor ready for Multi GPU

The ‘MSI Performance Gaming’ Lineup debuted Gaming Edge to capture the 390M Micro-ATX form factor. This motherboard, which is identical to Gaming Plus, provides sufficient power to run Intel’s i9900k at optimal stock speeds. It has four DIMM slots and can accommodate up to 64GB of DDR4 RAM, which can be overclocked to 4400Mhz. The memory is designed in dual-channel mode to provide performance stability for extended overclocking sessions.

The motherboard includes twin-turbo dual M.2 storage slots. This motherboard, like the Gaming Plus, includes Intel Optane technology. Because Intel Optane can provide data transfer speeds of up to 32Gb/s, it necessitates greater bandwidths. This motherboard, however, does not include a separate broadband gateway for these M.2 ports. These M.2 slots share bandwidth with on-board SATA ports. The I/O module on this motherboard includes 3 x USB 3.1 Gen 2 connectors, 6 x USB 3.1 Gen 1 connectors, and 2 x USB Type-C connectors. Ideally, the VRM heatsink covers should also cover the I/O shield.

For performance-hungry enthusiasts searching for additional cooling, there are two PWM headers and five DC fan headers. The 4-pin water pump connector, in particular, allows for significant cooling during intense overclocking. There are six PCIe slots, with the two major slots providing up to 16 times the bandwidth, making them suitable for dual graphic card compatibility. More crucially, the motherboard supports both SLI and Crossfire, allowing gamers to use dual NVidia or AMD graphics cards.

The motherboard looks exquisite even with a single RGB led strip running along the rear of the chipset. Furthermore, the motherboard includes RGB and addressable RGB headers. As a result, it provides enough customization possibilities for users who want to get the most out of their gaming PC.

6. GIGABYTE Z390 AORUS ULTRA

Best RGB Gaming Motherboard for i9 9900k

  • Supports 9th and 8th Intel Core processors
  • Dual-channel non ECC unbuffered DDR4, 4 DIMMs
  • Intel optane memory ready
  • 12+1 Phases Digital VRM Solution with DrMOS
  • Advanced thermal design with direct touch heat pipe
  • Onboard Intel CNVi 802.11AC 2×2 wave 2 Wi-Fi
  • Alc1220 vb enhance 114db(rear)/ 110db(front) SNR in microphone with WIMA audio capacitors
  • Intel Gigabit LAN with cFosSpeed
  • RGB Fusion with multi-zone LED light show design, supports addressable LED & RGB LED strips

GIGABYTE’s Z390 AORUS ULTRA has vaulted it to the top of the competition. This motherboard is designed with exceptional performance and gaming aesthetics in mind. It features outrageous 12+1 VRM phases to throttle the greatest performance out of the i9-9900K. This ensures that the 9th generation Intel Processor i9 9900k can be overclocked.

It is well established that overclocking results in heat. As a result, the motherboard provides nearly all of the sufficient heat dissipation characteristics that one would expect from a Z390 motherboard. Two heat sinks protect the power-hungry components. These heatsinks are then connected to the MOSFETs by a heatpipe to ensure the best heat dissipation.

It’s simply not the case! In terms of storage, it has three m.2 slots. Each slot, at best, retrieves NVMe support and dedicated heat sinks. The motherboard has three PCIe sockets that can be used at x16, x8, and x4 speeds. The primary socket has the most bandwidth (x16), as well as metallic support protection.

On top of the board, there are four DIMM slots that can accommodate up to 64GB of DDR-4 4133Mhz RAM. Six thunderbolt SATA slots with a bandwidth of 6Gb/s are available for I/O. There are also four USB 3.1 Gen 2 ports and a built-in Wi-Fi antenna powered by Intel’s 1.73Gb/s CNVi network. The motherboard, on the other hand, only has one display output, which is HDMI. It is not possible to attach a second display. However, this is justified by the fact that modern gamers no longer use integrated graphics.

The motherboard also includes 5 smart fan headers with specific thermal sensors for extreme gamers to ensure the desired cooling during those tough sessions. It’s worth noting that the motherboard looks fantastic, with RGB LEDs all over the place. This mobo attracts the eye like no other, from the RGB strip around the genuine back panel to the RGB lighting on the front shields.

7. GIGABYTE Z390 AORUS PRO

Best Motherboard for i9 9990k and RTX 2080 ti

  • Supports 9th and 8th Intel Core processors
  • Dual-channel non-ECC unbuffered DDR4, 4 DIMMs
  • Intel optane memory ready
  • 12 plus 1 phase digital VRM Solution with DrMOS
  • Advanced thermal design with multi cuts heatsinks and heat pipe. Bluetooth 5
  • Onboard Intel CNVi 802.11AC 2×2 wave 2 Wi-Fi
  • Alc1220 vb enhance 114db(rear)/ 110db(front) SNR in microphone with WIMA audio capacitors
  • Intel Gigabit LAN with cFosSpeed
  • RGB Fusion with multi-zone LED light show design, supports addressable LED & RGB LED strips
  • Smart fan 5 features multiple temperature sensors and hybrid fan headers with fan stop

It goes without saying that GIGABYTE’s Z390 AORUS PRO is the most affordable gaming motherboard for all the right reasons. It combines all of the fantastic features required for modern game performance and rendering.

It provides great power delivery for extreme overclocking sessions with 13-Phase VRMs without a sigh. With the resource-hungry Intel i9900k and RTX 2080 Ti, the increased frequency of VRMs can evenly divide the burden.

Despite the efficient VRMs, we must agree that pushing the CPU to its maximum will result in higher temperatures. The motherboard is outfitted with heatsinks that are stretched out to the MOSFETs via heatpipe for efficient thermal dissipation. Aside from that, the motherboard boasts a big memory capacity. It supports up to 128GB of RAM and can be overclocked to 4266 MHz using four DIMM slots. To be honest, this is more than adequate for any gaming rig. The motherboard includes two m.2 slots for storage. Thermal heatsinks are installed in both of these slots. This motherboard, unlike the AORUS ULTRA, lacks a third M.2 slot for a wireless card.

Six four-pin fan headers are distributed over the board. There are also six PWM four-pin fan headers. You also receive four lighting strip headers to add to the aesthetics. Three USB 3.1 1st Gen slots and two USB 3.1 Gen 2 connectors are available on the rear I/O module. A gaming motherboard would be incomplete without beauty. Aorus’ characteristic orange RGB lighting with matte black PCB is unmistakably beautiful.

8. MSI MPG Z390I Gaming Edge

Best mini-ITX Motherboard for i9 9900k

  • Supports 9th i9-9900K, i7-9700K, i5-9600K and 8th Generation Intel Core / Pentium Gold / Celeron processors for LGA 1151 socket
  • Supports dual-channel DDR4 Memory, up to 4600(OC) MHz
  • 2x TURBO M.2, Intel Optane Memory Ready. Turbo USB 3.1 GEN2
  • AUDIO BOOST: Reward your ears with studio grade sound quality for the most immersive gaming experience
  • Built for high-performance small-form-factor builds – Extended heatsink, mini-ITX form factor

It’s amazing how MSI crammed so many performance-enhancing features into such a little motherboard. The motherboard supports up to 32GB of DDR4 RAM in two channels, which may be overclocked to 4600 MHz.

The motherboard includes two m.2 slots for storage. Both of these slots support NVMe and Twin Turbo at rates of up to 32Gb/s. This enables five times higher data transfer speeds than standard m.2 slots with SATA III connections. The board, on the other hand, does not have any heatsinks for these M.2 slots. However, MSI has included enlarged heatsinks on top of the motherboard to optimize this mini-ITX motherboard for maximum cooling of VRMs and MOSFETs.

The motherboard now only has one PCI-e x16 slot, which is secured by MSI’s Steel Armour Protection, much like the mini-ITX industry standard. The motherboard has a total of ten USB connections on the I/O side. There are two USB 3.1 Gen 2 connectors, four USB 3.1 Gen 1 connectors, and two USB 2.0 connectors among these ten. On the back panel, there is additionally one HDMI output. However, there is a USB Type-C exclusion, which may be a deal killer for certain gaming enthusiasts.

With its black, grey, and silver contrast, the motherboard appears shredded. However, if you want to use the board as a flashing rig, it features an additional 4-pin RGB header.

9. GIGABYTE Z390 Ultra Durable

Best Z390 Budget Motherboard for i9 9900k

  • Supports 9th and 8th Intel Core processors
  • Dual-channel Non-ECC Unbuffered DDR4, 4 DIMMs
  • New 10+2 Phases Digital PWM Design
  • NVME PCIe Gen3 x4 22110 M.2 Connector
  • Multi-way Graphics support with PCIe Armor and ultra-durable design
  • Gigabyte exclusive 8118 Gaming LAN with bandwidth management
  • Support RGB Light strip in full colors
  • CEC 2019 ready, save power with a simple click
  • Smart Fan 5 features multiple temperature sensors and hybrid fan headers with fan stop

For all the right reasons, this motherboard may be called the greatest Z390 gaming motherboard. It crams all of the impressive features and components into a budget that’s difficult to believe. The motherboard contains 12 stages of digital VRM, making it a viable contender in the budget motherboard market. The icing on the cake is that it contains 6 temperature sensors distributed over the board to ensure that the VRMs and other energy-sensitive components remain cool during vigorous overclocking sessions.

Furthermore, the board’s CPU includes four fan connectors. These connectors can also be used to cool water pumps. Storage-wise, it has one NVMe-enabled PCI Gen3 M.2 slot capable of up to 32 Gbps data transfer speeds. The motherboard includes four dual-channel DIMM ports for memory, each of which can accommodate up to 64GB of DDR4 memory. The XMP profile of the chipset has been improved, allowing DDR4s to be overclocked to 4133 Mhz.

The motherboard features seven USB 3 Gen 1 ports, one Thunderbolt 5-pin header, and one HDMI out a slot on the back. On the motherboard, there are three expansion slots. These slots are AMD Crossfire compatible. The primary slot is dedicated to providing full x16 bandwidth to enable modern graphics cards. The sole drawback on this front is the lack of Nvidia SLI capability for running multiple Nvidia graphics cards.

Gigabyte has removed all current RGB capabilities from this motherboard in order to deliver the most recent features at a limited price. Nonetheless, the motherboard design is both sturdy and attractive. For gaming fans who want to add to the aesthetics, the motherboard has one RGB header.

10. ASUS ROG Maximus XI Hero

Best High-end Motherboard for i9 9900k

  • Designed for 9th 8th Generation Intel Core processors maximize connectivity, the speed with Dual M.2, USB 3.1 Gen 2, onboard 802.11AC Wi-Fi and ASUS optimum II for better DRAM overclocking stability
  • Revamped 5-way optimization overclocks Intelligently based on smart prediction and thermal telemetry while FanXpert 4 delivers dynamic system cooling
  • Aura Sync RGB lighting with addressable headers features a nearly endless spectrum of colors with the ability to synchronize effects across an ever-expanding ecosystem of AURA Sync enabled products
  • Pre-mounted I/O shield ensures streamlined installation and represents ROG’s attention to detail and quality

The final item on the list is a beast. Yes! The ASUS ROG Maximus XI Hero motherboard is a strong motherboard that includes practically everything you need to build a superb ATX gaming machine. The motherboard appears to be as high-end as the other ASUS Republic of Gamers motherboards. The motherboard is stylish, with a matte black finish and other components in brushed metallic color. The board’s beautiful lit ROG logo is the frosting on the cake.

But wait, there’s more! You can extend the class further by using the available RGB and addressable RGB headers. Furthermore, the RGB structures on the motherboard are powered by Asus Aura Sync and entirely configurable via the Aura software.

When it comes to performance features, this motherboard is serious business. It has enough power to overclock both 8th and 9th generation Intel processors utilizing 10 phase PWD. The chipset includes both an 8-pin and a 4-pin power connector to provide the necessary power to the resource-hungry i9900k. This motherboard has a number of features for effective heat dissipation. In reality, the motherboard includes a heat sink on practically every needed component, including the I/O module, dedicated heat sinks on both M.2 slots and a heat sink atop the PCH.

In terms of storage, the motherboard has dual m.2 sockets with Intel Optane Ready enabled. Both SATA and PCI bandwidth can be used by the primary M.2 slot. ASUS, on the other hand, fails to deliver the same for the secondary M.2 slot, which simply consumes PCI bandwidth. It has four DIMM slots for memory, with a maximum capacity of 64 GB DDR 4 RAM. The RAM may be overclocked to 4400Mhz or higher. To push the envelope even further, this motherboard includes six SATA connections and three PCIe x16 slots. In practice, the primary slot can only supply x16 bandwidth speeds, while the other two slots provide x8 and x4 speeds, respectively.

The motherboard is also fully layered in terms of connectivity. It has a front USB Gen 2 type-C port and a USB 3.1 Gen 1 connector. It has one type C connector and three USB 3.1 Gen 2 ports on the back IO module. It also features 8 fan connectors, 6 chassis fan headers, and an additional CPU header to consolidate for greater heat dispersion.