With the release of Intel's Alder Lake series processors and considering that AMD's Ryzen 7000 series processors will soon be on the market, the PCIe 5.0 standard is getting more attention day by day. Takes. But What exactly is PCIe 5.0 and should you buy a motherboard with this feature?

What is PCIe?

This word It stands for "quick connection of peripheral parts". PCIe is simply a standard that allows peripherals to connect to the motherboard and communicate with the processor. In 2003, the first generation of this standard was introduced by the PCI-SIG organization, and since then several generations of it have been presented for computers.

The PCIe standard was originally developed to replace a number of older standards such as PCI, PCI-X, and APG. This new standard needed to provide excellent performance and appear to be competitive. Also, the PCI-SIG organization tried to make this new standard as compatible as possible with the previous generations of the same standard.

For this reason, an old part from 2008, which is based on PCIe 2.0, with a motherboard with slots PCIe 5.0 compatible. So users won't have to worry about this.

PCIe What is it used for?

PCIe slots are used to connect important components to the computer motherboard. For example, we can point to the graphics card, which must perform billions of operations per second. Also, parts such as network card, sound card, some SSD memories and several other parts are connected to the computer in the same way.

Of course, all these parts are not the same size and also the bandwidth they need is not the same. That's why we see several different types of physical connectors for PCIe.

PCIe communication path and numbers x1, x4, x8 and x16 /strong> What do they mean?

To divide the PCIe slots, they use the communication path unit, or Lane, which is presented as a number. The number of communication paths also indicates the bandwidth of the desired slot. For example, PCIe 5.0 supports a bandwidth of 8 gigabytes per second. Of course, this bandwidth is divided into receiving and sending data, so such a slot can send 4 GB of data and receive 4 GB per second.

When you see the expression PCIe 5.0 x1 on a product, it means that the product uses the PCIe 5.0 standard and uses only one PCIe communication path. If the word PCIe 5.0 x16 is written on the product, it means that the purchased product uses all 16 PCIe 5.0 communication lanes, which means a bandwidth of 128 GB per second.

These numbers are related to x1 to x16 are related to the size of these slots, and the larger this number is, the larger the desired slot is.

The peripherals determine the size of the connection with the slot according to the processing power they need. For this reason, graphics cards usually use all x16 ports, but sound or network cards use x1 or x6 slots in most cases.

In most common motherboards we see x1, x4 and x16 ports. In motherboards that have an x8 port, this port is presented as a x16 slot and only supports x8 bandwidth. It should be noted that if the part in question has a smaller PCIe connector, you can connect it to the larger slots, and this way only the required bandwidth will be used.

Among the common slots, the M. Let's mention 2. These slots are specifically used for NVMe-based SSD memories. M.2 is not physically compatible with standard PCIe ports, but uses the PCIe x4 connection.

What are the advantages of PCIe 5.0?

The most important feature of this standard is its speed. Specifically, PCIe 5.0 offers twice the speed of the previous generation. Naturally, not all ordinary users are going to use the maximum speed of PCIe 5.0. But some tasks use the maximum speed of these slots. Therefore, such characteristics are very important for professional users.

Bandwidth standard (Gigabytes/second) Data transfer rate (Gigatransfer/second) Interface frequency (GHz) PCIe 1.0 8 2.5 2.5 PCIe 2.0 16 5 5 PCIe 3.0 32 8 8 PCIe 4.0 64 16 16 PCIe 5.0 128 32 32

It should be noted that currently only a small number of components support PCIe 5.0 and most of them are provided for industrial use. It is said that Nvidia will once again use PCIe 4.0 for RTX 4000 series graphics cards, and in the case of AMD Radeon RX 7000 series graphics cards, we will probably not see support for PCIe 5.0. Also, this new standard has not yet been presented for SSDs for ordinary users.

Regarding the value of buying motherboards and processors compatible with this technology, we must say that if you are looking to upgrade your desktop computer, then by choosing models New processor and fresh motherboards, in the future you can benefit from PCIe 5.0 based parts and their various advantages. But given the current trend, it looks like PCIe 5.0 won't become mainstream for a few years, and by then Intel and AMD will be unveiling much better processors. In the meantime, we should also mention the PCIe 6.0 standard, which has been officially introduced, and we need to see when this standard will become widespread.

  • How does the motherboard affect the performance of the computer?

Source: How To Geek< /p>

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