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If you want to build a personal computer or upgrade its platform, you need a motherboard. It is she who connects the PC components to each other and ensures the stable operation of the device. We tell you what to look for when choosing a “motherboard” for a home or office computer.

Processor socket
Number of slots and type of RAM
Form factor
Common Motherboard Form Factors
motherboard chipset
Number of M.2 connectors
External connectors
Availability of Wi-Fi
Which video card to buy: budget and expensive motherboards
Inexpensive motherboards
Gigabyte H510M H
Asrock A320M-DVS R4.0
Mid-Segment Motherboards
MSI Pro B660M‑P WiFi DDR4
Gigabyte B660M DS3H AX DDR4
Expensive motherboards
Asus Prime Z690‑P DDR5
MSI Mag B660 Tomahawk WiFi DDR5
Conclusions: what to look for when buying a motherboard
Processor socket
A processor socket, or socket, is a special mount with a set of contacts. It must be the same as the processor that we plan to install in the computer.
Processors for personal computers are produced by two companies: Intel and AMD.
Intel has a large number of sockets that it changes as soon as possible, without looking back at the problem of incompatibility of new processors with the stuffing of old computers.
Intel’s most current socket is LGA 1700, compatible with 12th generation processors. For example, processors from Celeron G6900 to Core i9-12900K inclusive are suitable for it.
The older socket, the LGA 1200, is the most common on the market. It is compatible with Intel 10th and 11th generation processors i.e. Celeron G5905 to Core i9-11900K. “Motherboards” for it are much cheaper than for the LGA 1700, and for an office computer or a computer for games like World of Tanks or Dota 2, the processors of the previous generation are more than enough.

LGA 2066 is another Intel socket. It is designed for productive workstations and servers. A computer with such a motherboard will be very expensive and will only pay off when performing tasks that require maximum computing power.

So, Intel has three actual processor sockets:
- LGA 1200, for medium PCs;
- LGA 1700, for powerful gaming and work PCs;
- LGA 2066, for professional computers and servers.
With AMD, the situation is simpler — they change the processor socket only if the latest developments are not implemented within the existing one. Therefore, if you are buying a desktop processor from AMD, then the choice is easy — only the AM4 socket is relevant.

Number of slots and type of RAM
RAM is temporary, fast data storage that can only work when the computer is turned on.
Now there are motherboards with connectors for DDR4 and DDR5 memory.

DDR4 RAM is still the best in terms of price and speed, but it is being replaced by DDR5 memory. Therefore, it is better to choose the type of RAM based on the availability and cost at the time of purchase.
A simple office computer will fit a “motherboard” with two slots for RAM. Its small size does the job just fine.
For a gaming computer, it is better to buy a motherboard with 4 or more slots, installing RAM in two of them. This will allow in the future to dramatically increase the RAM to the required amount by installing it in empty slots, leaving those modules that were already on the motherboard.
Server motherboards can have 8 slots or more.
Form factor
When choosing, you need to pay attention to the form factor of the motherboard.
It determines the size of the motherboard, its mountings and the location of the external PC connectors.
Common Motherboard Form Factors
Form factor | Dimensions, mm | Frame size |
E‑ATX | 305×330 | Full Tower |
ATX | 305×244 | Full-tower, mid-tower |
microATX | 244×244 | Full-tower, mid-tower, mini-tower, slim |
Mini-ITX | 170x170 | Full-tower, mid-tower, mini-tower, slim, desktop |

It is important to consider that a large motherboard will have more additional expansion slots. And, on the contrary, in pursuit of a small computer size, you can cut down on the ability to connect devices to the motherboard.
For example, the Mini-ITX form factor measures only 170 by 170 millimeters. With such a motherboard, you can assemble a very compact computer. For example, like this:

A motherboard with a Mini-ITX form factor can be of the following model:

But it has only 2 RAM slots, so you can install only one expansion device — a video card — and one M.2 connector. At the same time, the price of such a “motherboard” is close to the middle segment.
motherboard chipset
RAM, a discrete graphics card, and high-speed drives require high-speed communication with the processor, so they are connected to it directly through high-speed buses.
Slower devices are connected through a special chipset, or chipset. Its model is indicated by a Latin letter and numbers and is usually included in the full name of the motherboard.

The processor and chipset must interact well. Therefore, for Intel processors, chipsets are produced by Intel itself, and for AMD, respectively, by AMD.
At the beginning of the name of the chipset, Intel and AMD have Latin letters, by which you can determine its level.
Intel has the following chipsets:
- B and H — for medium and entry-level PCs, without overclocking and fine-tuning functions in the BIOS;
- Z — for fast gaming or work PCs, with the ability to overclock the processor and RAM;
- X — for processors with an LGA 2066 socket.
AMD has a similar choice:
- A — entry-level chipsets without overclocking capabilities;
- B, Z — medium level with overclocking;
- X, TRX — for AMD Ryzen Threadripper processor lines, for Hi-End class PCs.
In general, motherboard manufacturers put exactly the chipset that is needed to implement all the functions of a particular motherboard. Knowing the capabilities of the chipsets by heart, a computer scientist can already approximately understand what the motherboard can do by its name. An ordinary user can go to the manufacturer’s website or a trusted online store and look at the characteristics of the motherboard there.
Number of M.2 connectors
The fastest drives for personal computers are M.2 SSDs. For them, modern motherboards have special connectors. The quantity determines how many drives can be installed on a PC.

External connectors
The motherboard allows you to connect to the computer and various peripheral devices. To do this, there is always a special slot on the case where external connectors go.

A modern computer needs USB 3 slots. Several are desirable. If you plan to use the processor’s integrated graphics to display the image on the monitor, you should look for a board with HDMI and DisplayPort.
Availability of Wi-Fi
It is not always possible to connect a computer to a wired network. If the wireless connection speed is sufficient, you can buy a motherboard with a built-in Wi-Fi adapter and connect your computer through it.

Which video card to buy: budget and expensive motherboards
Inexpensive motherboards
Gigabyte H510M H
Gigabyte H510M H is a great option for an inexpensive system unit, it has an LGA 1200 socket and an M.2 connector for high-speed SSD drives.

Asrock A320M-DVS R4.0
Asrock A320M-DVS R4.0 — this motherboard, despite the very affordable price, supports all modern AMD processors.

Mid-Segment Motherboards
MSI Pro B660M‑P WiFi DDR4
MSI Pro B660M‑P WiFi DDR4 will help you assemble a small computer with a modern Intel processor, a good amount of RAM and Wi-Fi.

Gigabyte B660M DS3H AX DDR4
Gigabyte B660M DS3H AX DDR4 is a model with an LGA 1700 socket and built-in Wi-Fi. The processor power system allows you to safely install processors up to Core i9.

Expensive motherboards
Asus Prime Z690‑P DDR5
Asus Prime Z690‑P DDR5 is a motherboard that supports the latest DDR5 RAM.

MSI Mag B660 Tomahawk WiFi DDR5
MSI Mag B660 Tomahawk WiFi DDR5 is a gaming motherboard for building the most powerful system unit.

Conclusions: what to look for when buying a motherboard
It is easy to get lost in the variety of motherboards. There are many models with similar parameters in online stores, so it is important to determine your goals.
If you are looking for a computer for home, office or gaming, the first thing to consider is the processor, RAM, and discrete graphics card if required. And only then pay attention to the motherboard.
The “motherboard” does not have its own memory or processing power. Therefore, it is possible to assemble a productive computer — for example, for the most modern games — using a cheap motherboard. True, the reliability of such a solution is questionable, since the power supply system of the motherboard will be overloaded.
On the other hand, you can buy a top motherboard for 20,000 rubles and put a cheap Celeron in it. But on such an assembly, it will only be possible to work with text editors or perform other simple tasks.
The choice of motherboard affects the reliability, compatibility, and expandability of the computer. And the price should be balanced with other components.
Read also:
How to choose a processor
How to choose a video card
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