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Comparison MSI PRO A620M-B vs MSI PRO A620M-E

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MSI PRO A620M-B
MSI PRO A620M-E
MSI PRO A620M-BMSI PRO A620M-E
from £84.80 
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Featuresfor home/officefor home/office
SocketAM5AM5
Form factormicro-ATXmicro-ATX
Power phases99
Size (HxW)244x215 mm244x211 mm
Chipset
ChipsetAMD A620AMD A620
BIOSAmiAmi
UEFI BIOS
RAM
DDR52 slot(s)2 slot(s)
Memory moduleDIMMDIMM
Operation mode2 channel2 channel
Max. clock frequency6800 MHz6800 MHz
Max. memory128 GB128 GB
EXPO support
Drive interface
SATA 3 (6Gbps)44
M.2 connector11
M.21xPCIe 4x1xPCIe 4x
M.2 version1x4.01x4.0
Integrated RAID controller
Expansion slots
1x PCIe slots1 pcs1 pcs
PCIe 16x slots1 pcs1 pcs
PCIe support4.04.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.02 pcs2 pcs
USB-A 5Gbps1 pcs1 pcs
ARGB LED strip1
RGB LED strip11
Video outputs
D-Sub output (VGA)
HDMI output
HDMI versionv2.1v2.1
Integrated audio
AudiochipRealtek ALC897Realtek ALC897
Sound (channels)7.17.1
Network interfaces
LAN (RJ-45)2.5 Gbps1 Gbps
LAN ports11
LAN controllerRealtek RTL8125BGRealtek RTL8111H
External connections
USB-A 2.02 pcs2 pcs
USB-A 5Gbps4 pcs4 pcs
PS/222
Power connectors
Main power socket24-pin24-pin
CPU power8-pin8-pin
Fan power connectors33
CPU Fan 4-pin11
Chassis/Water Pump Fan 4-pin22
Added to E-Catalogfebruary 2025april 2023
Compare MSI PRO A620M-B and PRO A620M-E
Glossary

Size (HxW)

Motherboard dimensions in height and width. It is assumed that the traditional placement of motherboards is vertical, so in this case one of the dimensions is called not the length, but the height.

Motherboard sizes are largely determined by their form factors (see above), however, the size of a particular motherboard may differ slightly from the standard adopted for this form factor. In addition, it is usually easier to clarify the dimensions according to the characteristics of a particular motherboard than to look for or remember general information on the form factor. Therefore, size data can be given even for models that fully comply with the standard.

The third dimension — thickness — is considered less important for a number of reasons, so it is often omitted.

ARGB LED strip

Connector for connecting an ARGB LED strip as a decorative lighting for a computer case. This type of "smart" tape is based on special LEDs, each of which consists of an LED light and a built-in controller, which allows you to flexibly control the luminosity using a special digital protocol and create amazing effects.

LAN (RJ-45)

The type of LAN interface provided in the design of the motherboard. LAN (also known as RJ-45 and Ethernet) — a standard connector for wired connection to computer networks; can be used for both local and Internet. The type of such a connector is indicated by the maximum speed. Note that nowadays, even inexpensive "motherboards" are usually equipped with fairly fast LAN adapters — at least gigabit ones. The meaning of such characteristics is not only (and often not so much) to speed up the transfer of large amounts of data, but also to reduce lags in the network connection. This can be important for tasks that require good responsiveness or precise synchronization, such as online games.

1 Gbps. The standard used in the vast majority of desktop (non-server) motherboards. On the one hand, it provides more than a decent connection speed, sufficient even for large amounts of information; on the other hand, it is inexpensive and can be installed even in the simplest low-cost motherboards.

2.5 Gbps. An improved version of the gigabit standard, it is also a simplified and somewhat cheaper version of the 5-gigabit standard. It is found in separate "motherboards" for gaming purposes.

5 Gbps. A kind of transitional option between a relatively simple gigabit LAN (see above) and an advanced 10-gigabit LAN (see below). Found in some gaming motherboards....This standard costs less than the 10-gigabit one, while the communication speed still turns out to be quite decent, and the lags are low.

10 Gbps. Such a data transfer rate is indispensable for large volumes of information; in addition, it provides a high speed of passing individual data blocks, which is important for reducing lags in online games. At the same time, this interface appeared relatively recently and is not cheap. Therefore, it is mainly used in top-end "motherboards" for gaming and server purposes (see "In the direction").

— 100 Mbps. A very popular standard in its time, which is now considered obsolete in light of the spread of faster versions of the LAN. It is extremely rare, mainly in separate low-cost boards.

LAN controller

Model of the LAN controller installed in the motherboard.

The LAN controller provides data exchange between the card and the network port(s) of the computer. Accordingly, both general characteristics and individual features of the network functionality of the "motherboard" depend on the characteristics of this module: support for special technologies, connection quality in case of unstable communication, etc. Knowing the model of the LAN controller, you can find detailed data on it — including including practical reviews; this information is rarely needed by the average user, but it can be useful for online game enthusiasts and for some specific tasks.

Thus, the LAN controller model is specified mainly in cases where it is a rather advanced solution that is noticeably superior to standard models. Such solutions are currently produced mainly under the brands Intel(middle level), Realtek(relatively simple models), Aquntia and Killer(mostly advanced solutions).