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Comparison ASRock B550M-HVS SE vs ASRock B550M-HDV

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ASRock B550M-HVS SE
ASRock B550M-HDV
ASRock B550M-HVS SEASRock B550M-HDV
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Featuresfor home/officefor home/office
SocketAMD AM4AMD AM4
Form factormicro-ATXmicro-ATX
Power phases66
Size (HxW)230x201 mm230x201 mm
Chipset
ChipsetAMD B550AMD B550
BIOSAmiAmi
UEFI BIOS
RAM
DDR42 slot(s)2 slot(s)
Memory moduleDIMMDIMM
Operation mode2 channel2 channel
Max. clock frequency4733 MHz4733 MHz
Max. memory64 GB64 GB
XMP
Drive interface
SATA 3 (6Gbps)44
M.2 connector11
M.2
1xSATA/PCI-E 4x /PCI-E 3.0/
1xSATA/PCI-E 4x
Integrated RAID controller
 /RAID 0, RAID 1 and RAID 10/
Expansion slots
1x PCI-E slots11
PCI-E 16x slots11
PCI Express4.04.0
Internal connections
TPM connector
USB 2.022
USB 3.2 gen111
Video outputs
D-Sub output (VGA)
DVI outputDVI-D
HDMI output
HDMI versionv.2.1v.2.1
Integrated audio
Audiochip
Realtek ALC887 /897/
Realtek ALC887
Sound (channels)7.17.1
Network interfaces
LAN (RJ-45)1 Gbps1 Gbps
LAN ports11
LAN controllerRealtek RTL8111HRealtek RTL8111H
External connections
USB 2.022
USB 3.2 gen144
PS/211
Power connectors
Main power socket24 pin24 pin
CPU power4 pin4 pin
Fan power connectors34
CPU Fan 4-pin1
Chassis/Water Pump Fan 4-pin2
Added to E-Catalogoctober 2023may 2020

DVI output

The motherboard has its own DVI output; this clause also specifies the specific form of this interface.

Such an output is intended for transmitting video from an integrated graphics card (see above) or a processor with integrated graphics (we emphasize that it is impossible to output a signal from a discrete graphics card through the motherboard chipset). As for DVI specifically, this is a standard originally created for digital video devices, however, it also allows an analogue signal format, depending on the type. In modern computer technology, including motherboards, you can find two types of DVI:

— DVI-D. A standard that provides for the transmission of a signal only in digital form. Depending on the supported mode, the maximum resolution of such video can be 1920x1200 (single-link Single Link) or 2560x1600 (two-channel Dual Link); however, Single Link plugs can be connected to Dual Link ports, but not vice versa. Also note that such connectors are compatible with HDMI via adapters, while in some cases even sound transmission may be provided (although this function is not initially supported in DVI-D, and its availability should be specified separately).

— DVI-I. A standard that combines the DVI-D described above with analogue DVI-A and allows the signal to be output in both digital and analogue formats. DVI-A in its characteristics corresponds to VGA (see above): it supports resolutions up to 1280x1024...inclusive and allows you to connect VGA screens through a simple adapter.

Fan power connectors

The number of connectors for powering coolers and fans provided in the motherboard. A processor cooler is usually connected to such a connector, and fans of other system components — video cards, cases, etc. can also be powered from the "motherboard"; sometimes it is more convenient than pulling power directly from the PSU (at least you can reduce the number of wires in the case). Many modern boards are equipped with 4 or more connectors of this type.

CPU Fan 4-pin

A four-pin connector used to connect a processor cooling fan. The first contact in it corresponds to the black wire of the cooler — it is the "ground" or minus of the power supply. The second contact is the plus of the power supply (yellow or red cooler wire). The third one is involved in measuring the rotation speed of the impeller (green or yellow fan wire). The fourth pin, corresponding to the blue wire, receives control signals from the PWM controller to adjust the cooler rotation speed depending on the temperature of the processor.

Chassis/Water Pump Fan 4-pin

A connector responsible for connecting additional coolers for the benefit of better cooling of components inside the system unit. Most often it is located on the edges of the motherboard — closer to the front side and the ceiling of the "system unit". It is made according to the four-contact scheme.
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