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Comparison Asus H110M-R vs Asus H110M-K

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Asus H110M-R
Asus H110M-K
Asus H110M-RAsus H110M-K
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Main
Three video outputs. Convenient location of PCI-E x1 slots.
Featuresfor home/officefor home/office
SocketIntel LGA 1151Intel LGA 1151
Form factormicro-ATXmicro-ATX
Power phases45
Size (HxW)211x181 mm226x183 mm
Chipset
ChipsetIntel H110Intel H110
BIOSAmiAmi
UEFI BIOS
RAM
DDR42 slot(s)2 slot(s)
Memory moduleDIMMDIMM
Operation mode2 channel2 channel
Max. clock frequency2133 MHz2133 MHz
Max. memory32 GB32 GB
XMP
Drive interface
SATA 3 (6Gbps)44
Expansion slots
1x PCI-E slots22
PCI-E 16x slots11
PCI Express3.03.0
Video outputs
D-Sub output (VGA)
DVI outputDVI-DDVI-D
HDMI output
Integrated audio
AudiochipRealtek ALC887Realtek ALC887
Sound (channels)7.17.1
Network interfaces
LAN (RJ-45)1 Gbps1 Gbps
LAN ports11
LAN controllerRealtek RTL8111HRealtek RTL8111H
External connections
USB 2.044
USB 3.2 gen122
PS/222
Power connectors
Main power socket24 pin24 pin
CPU power4 pin4 pin
Fan power connectors2
Added to E-Catalogseptember 2016november 2015

Power phases

The number of processor power phases provided on the motherboard.

Very simplistically, phases can be described as electronic blocks of a special design, through which power is supplied to the processor. The task of such blocks is to optimize this power, in particular, to minimize power surges when the load on the processor changes. In general, the more phases, the lower the load on each of them, the more stable the power supply and the more durable the electronics of the board. And the more powerful the CPU and the more cores it has, the more phases it needs; this number increases even more if the processor is planned to be overclocked. For example, for a conventional quad-core chip, only four phases are often enough, and for an overclocked one, at least eight may be needed. It is because of this that powerful processors can have problems when used on inexpensive low-phase motherboards.

Detailed recommendations on choosing the number of phases for specific CPU series and models can be found in special sources (including the documentation for CPU itself). Here we note that with numerous phases on the motherboard (more than 8), some of them can be virtual. To do this, real electronic blocks are supplemented with doublers or even triplers, which, formally, increases the number of phases: for example, 12 claimed phases can represent 6 physical blocks with doublers. However, virtual phases are much inferior to real ones in terms of capabilities — in fact, t...hey are just additions that slightly improve the characteristics of real phases. So, let's say, in our example, it is more correct to speak not about twelve, but only about six (though improved) phases. These nuances must be specified when choosing a motherboard.

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.

XMP

The ability of the motherboard to work with RAM modules that support XMP (Extreme Memory Profiles) technology. This technology was developed by Intel; it is used in motherboards and RAM blocks and only works if both of these system components are XMP compliant. A similar technology from AMD is called AMP.

The main function of XMP is to facilitate system overclocking (“overclocking”): special overclocking profiles are “sewn” into the memory with this technology, and if desired, the user can only select one of these profiles without resorting to complex configuration procedures. This is not only easier, but also safer: every profile added to the bar is tested for stability.

HDMI output

The motherboard has its own HDMI output.

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 HDMI specifically, it is a combined digital video/audio interface specifically designed to work with HD resolutions and multi-channel audio. Today it is the most common of these interfaces, HDMI support is almost mandatory for video devices that are compatible with HD standards.

The specific capabilities of HDMI vary by version (see below for more details), but in general they are quite impressive — even in the earliest (current today) HDMI v.1.4, the maximum resolution is 4K, and in newer standards it reaches 10K. So in motherboards, the quality of the video transmitted through such an output is often limited not by the interface capabilities, but by the graphics performance of the system.

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.
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