Table of Contents
Introduction
A motherboard or mainboard in a computer is a printed circuit board that acts as the backbone of your computer. All other components like CPU, GPU, hard drives, expansion slots, fans, and various other hardware are tied to the motherboard. They get electrical power from the motherboard and interact with each other conveniently.
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The mainboard provides a platform for all parts of a computer system to communicate with each other. This is done with the help of connecting cable and ports or directly with the help of expansion cards. You can extend the functionality of your computer by adding as many devices to the motherboard additionally. It is essentially the most important part of a computer because it serves as the main circuit hub by regulating the power supply and connection of other components.

The motherboard being the most important part of a computer is also the most delicate one. It is manufactured using a fiber-glass baseboard. The circuit is then printed onto the board to guarantee efficient communication of all hardware of the computer. To keep the computer running smoothly, the motherboard should be taken care of. It has the same importance as the heart has in the human body. If taken care of, the motherboard can work just fine for about 20 years.
Intel® Core i9 9900k Processors
Intel® has been making processors for computer systems since 1971. Each generation of processors is better than the previous one because it has improved functionality and is efficient. The flaws in the earlier processors are researched and dealt with to provide maximum output each time. In 2018, Intel® launched a 64-bit high-end performance processor that is octa-core. This 9th generation of processors is called i9 9900k. This most efficient processor works at 3.6 GHz frequency.

Although the Intel® Core i9 9900K is the most promised processor when it comes to productivity, but if you are into simple office work or using the computer as a by-stander at home. In such a case buying an i9 9900K will prove to be an overkill because you will never use it to its full capacity.
Requirement for Motherboard for i9 9900k
The Core i9 9900k is yet, the world’s fastest processor. It is octa-core and mightiest clock speed. This multi-threaded system works on 16 threads simultaneously to improve the working efficiency of your computer. It uses an LGA 1151 socket that has 16 MB of cache memory readily available. The recommendation for Intel® Core i9 9900k processor is Z390 chipset.
The i9 9900K processor being the best, demands the motherboard also be brilliantly outstanding. The Core i9 9900k is by-far, the world’s fastest processor. This multi-threaded system works on 16 threads simultaneously to improve the working efficiency of your computer. It uses an LGA 1151 socket that has 16 MB of cache memory readily available. The Z390 chipset is recommended for the Intel® Core i9 9900k processor.
There are countless motherboards available that would work smoothly with the Intel® Core i9 9900k processor, but we have short-listed a few best ones to help you select the best out of the best.
The Picks: 5 Best Motherboard for i9 9900K Processor
Gigabyte Z390 Aorus Xtreme – Best Motherboard for 9900K
The Gigabyte Z390 Aorus Xtreme motherboard has been designed to give you maximum performance by keeping in mind your requirement for speed. It supports the Intel® 8th and 9th generation processors. It is the most promising motherboard when it comes to performance orientation. You can overclock it and gain maximum output. It uses a Z390 chipset and 4 DIMM slots for DDR4 RAM.
Key Features
- It has RGB lighting support that is controllable and compelling the user to look at the motherboard
- This motherboard has OC touch connector
- It comes with a rear base plate to control VRM temperatures
- It has a built-in turbo charger for USB or the mobile devices
- The Gigabyte Z390 Aorus Xtreme offers overclocking
Pros
- The Gigabyte Z390 Aorus Xtreme motherboard comes with a cover on rear I/O panel
- Looks beautiful when lit up
- It has a VRM that has 16 phase power
Cons
- Burns a hole in your pocket and is expensive
Verdict
If you are looking for the best motherboard for your Intel® Core i9 9900k processor, then the Gigabyte Z390 Aorus Xtreme motherboard is the best choice. It gives you the values for money and will never leave you stranded mid-way.
ASRock Z390 Taichi – Best ATX Motherboard for i9 9900k
The ASRock Z390 Taichi is an absolutely best choice when it comes to motherboard selection. It supports both 8th and 9th generation processors and is extremely stable. This is a Z390 chipset technology that supports ATX. The overclocking feature helps to improve work efficiency by a great factor. The motherboard can be attached to 3 PCI devices simultaneously, this helps to customize the computer according to your preference. The ASRock Z390 Taichi motherboard provides exceptional internet connectivity by its 802.11ac Wi-Fi adapter and 4.2 Bluetooth system. The audio is crisp and clear because the motherboard becomes compatible with DTS connect and purity channel.
Key Features
- M.2 heat shield
- Overclocking enabled
- Provides great quality audio
- Excellent connectivity
- ASRock polychrome sync function available
Pros
- Improved VRM technology
- Extra SATA control
- High clock speeds help in faster processing
- Relatively cheap
Cons
- Slow USB Type-C
Verdict
ASRock Z390 Taichi is a budget friendly motherboard that is full of promising structures. It delivers great results and never fails to surprise you with its performance and graft. This feature-loaded motherboard is best to work with the Intel® Core i9 9900K processor.
ASUS ROG Maximus XI Gene Z390 – Best Gaming Motherboard for i9
The ASUS ROG Maximum XI Gene Z390 is the best motherboard for the micro-ATX types. It gives a boost to the conventional micro-ATX motherboards. It provides your computer with double the speed because of its highest overclocking skill. It also gives you the 5-way optimization experience. The working capacity can be improved using the Opti-MEM III technology. The ASUS ROG Maximum XI Gene Z390 motherboard gives all of the components connected to it decent power supply without getting overheated.
Key Features
- 5 phase VRM design
- Supports 4 SATA drives
- Storage can be increased 4 times, thus supporting large data storage
- Offers great connectivity support with various USB ports and built-in Wi-Fi
- Uses FanXpert system to prevent overheating
- Easy troubleshooting
Pros
- Gives maximum audio sound quality
- Has double capacity DRAM
- Four M.2 slots for better airflow
Cons
- Not easily available
- Smaller form factor
Verdict
The ASUS ROG Maximus XI Gene Z390 motherboard is for anyone who seeks the premium performance. It is a beautiful looking RGB system with a great design and improved performance.
Gigabyte Z390 Aorus Pro – Best 9th Gen Motherboard
The Gigabyte Z390 Aorus Pro motherboard works equally great with Intel® Core 8th and 9th generation processors. Although it is really light on your pocket, it still gives you the best features to provide optimal performance. The motherboard remains safe from heat damage because of advanced thermal design. The multi-cuts heat sinks and heat pipe improve air flow.
Key Features
- Integrated I/O shield
- Excellent cooling system that uses SmartFan5 and Hybrid Fan Headers
- Dual M.2 slot with thermal guard
- Intel® Gigabit LAN with cFosSpeed
- Dual channel DDR4 and 4 DIMMs enforce stable productivity
Pros
- Saves power
- Heat guard technology
- RGB design that makes the motherboard beautiful
- Cheap as compared to other motherboards
Cons
- Only 1 USB-3 header available
Verdict
The Gigabyte Z390 Aorus Pro motherboard is the most cost-effective motherboard for Intel® Core i9 9900K processor. It gives you a lot of reasons to choose while giving you maximum performance.
Asus ROG Strix Z390 – Best ASUS Motherboard for i9 9900k
The ASUS ROG Strix Z390 motherboard is the best choice for ITX build processors. It works great with Intel® 8th and 9th generation processors. The motherboard provides great with USB ports and built-in Wi-Fi card. It gives you efficient cooling system. This budget friendly motherboard gives you best value for money.
Key Features
- 12 phase power VRM
- Dual DIMMs RAM slots
- Provides 64GB of memory space
- Comes with 4 SATA6 slots
- Cannot put multiple graphic cards together
- Efficient cooling system
Pros
- Steel enforces PCI slots
- Does not over-heat
- Best for machines with small builds
Cons
- Small form factor
- RGB issues detected
Verdict
The ASUS ROG Strix motherboard is the best choice for mini-ITX build processors. It comes with a cheaper price tag with improved semantics and performance.
What to Look for When Choosing a Motherboard for i9 9900K Processor
The motherboard or the mainboard of your computer is its foundation. It supports all other hardware and allows smooth and uninterrupted communication among them. You have to cheese the most efficient motherboard if you want your computer to give you maximum efficiency. If you are replacing the motherboard on your exiting machine, then it must be compatible with the processor and other components of your computer.
There are various points to consider before you choose a suitable motherboard for your computer
Socket
The socket is the most important thing for a motherboard. The socket required for your processor can be found listed on its packaging or related web-page. The most common socket for the Inter Core i9 9900K is LGA 1151.
Chip Size
The chip size for your motherboard to be compatible with the Intel® 8th and 9th generation processors must be Z390. It is important to choose a motherboard with the right chipset because everything goes into the chipset to be fixed with the mainboard.
Form Factors
If we say that the motherboard has different form factors we mean to say that they have diverse sizes. These sizes are different because of the number of components you wish to attach to the motherboard. As the form factor increases, so does the capability of the motherboard.
Over-Clocking Capacity
Over-clocking feature of your motherboard gives a boost to your computer system. Over-clocking means to increase the clock-rate through which the computer runs faster and doing more tasks in little time. It enhances the functionality by using the working capacity to its maximum. The motherboard comes with settings that can be used to run the computer processor at higher speed. The Intel® Core i9 9900K processor has an ability of being over-clocked.
The overclocking however, comes at a price of the motherboard producing excessive heat. This too much heat damages other components of the computer and has to be let out by the help of good air-flow.
Cooling Systems
The cooling system in a motherboard is also called its heat sink. It consists of a metal block and metal pipes that are affixed to the processor to help relieve it of the excessive amount of heat produced by the machine running at fast speed. It works by transferring heat to the heat sink and blown out of the case of the computer system to let it cool down.
The motherboard is a strong yet delicate part of your computer that needs utmost care. It needs cooling because all other components attached to it produce heat and it collectively becomes enough to damage the whole system.
Expansion Slots
Motherboards have differing efficiency based on how many expansion slots or PCI slots they hold within. Before picking out a motherboard you need to make sure that is has enough expansion slots to fit in all of the components you need in your computer.
GPU Support and Connectivity
Always check the requirements of GPU against your motherboard so that later on smooth supplication of power can be done to meet its demands. Having a GPU in good working order ensures that the visual output of your computer stays up to the mark.
RAM
The RAM required by a computer that hold heavier load is usually 16MB. Nowadays DIMM is also being used in motherboard to improve working efficiency. The RAM you choose for the motherboard must be compatible. The motherboards that are smaller have less slots for RAM, those who are bigger have up to eight or more slots to fix RAM. Gamers think of a RAM that is of 16GB to be ideal.
Additional Features
These days, motherboards come with build-in features that can be controlled to increase output of the motherboard. These are fan control, on-board audio, Wi-Fi and Bluetooth, and many more.
Recommendation
Most computer users rely on IT experts to recommend motherboards that suit their needs. Others rely on reviews on the internet before making a selection. Whatever you plan on picking for your computer, you must keep in mind that the motherboard is the backbone of your computer. It keeps the communication of the components aligned while giving them the appropriate power supply. Picking the correct motherboard will provide you optimization and best performance. You will also be able to avoid the hassle of reinstalling and paying for another model if you select the best suitable at the first place.
The computer experts agree that the best motherboard for i9 9900K is the Gigabyte Z390 Aorus Extreme. It can give you the fastest processing speed due to its great over-clocking abilities in the Z390 chipset. The manufacturer gives you best power delivery with its unsurpassed VRM speed and component connectivity. Although the price tag is large, the features that accompany the product will satisfy your need. Better airflow enhances the cooling process of your computer system and prevents it from getting heated.
Apart from having top-notch features, the Gigabyte Z390 Aorus Extreme motherboard is a sight to look at when it is fully functional. The fusion of RGB and LED light design makes the board gorgeous.
It is no doubt the perfect choice for 8th and 9th generation Intel® processors.
Final Words
We have tried and tested various boards over time. The compatibility of a motherboard is most important while choosing it for your processor. We urge you not to back down from any of the main features. The lack of any one of them might result in your computer not working effectively.
While selecting a suitable motherboard, keep in mind that the successful candidate will have to be top-notch. The communication facilitator in your computer system or the main board of your computer will be responsible for efficient performance. You have to consider all aspects before coming to a final point, but the pricing factor remains constant.
Make a choice that does not burn a hole in your pocket. One that is easy to manage out of your budget, even if it is tight. Motherboards are complex functioning devices in any computer. They need to connect all other vital parts of your computer and enable them to function correctly. All components of your computer work when they get the correct supply from the motherboard.
Choosing a motherboard is a crucial part of building your computer system. It is different for every user depending on the usage. If you are using the computer for domestic use at home or play ultra-high-resolution games that require the powerful display of graphics and videos.
There are various features and points to consider before selecting a motherboard for your personal computer. Ranging from things that enhance productivity of the computer to the price range, there are several facts to consider. A good processor works efficiently, and makes working or playing games a pleasurable experience.
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