Types of mother boards
ATX, Micro ATX, mini ATX
AT (Discontinued by ibm 12*80
4 RAM slots
4-6 Pcie slots
more USB slots, hdmi
12*96 inches (rectangular design)
20 or 24 pin connector
Several expansion slots
SIZE: 9.6*9.6 (Rectangular design)
3-4 pcie expansion slots
4 RAM slots
More USB connectors
24 pin power connector
Cheaper than ATX, Likely to fix smaller computer cases.
Size 6.7 *6.7 inches
*Some itx mother boards uses heatsink just like laptops no fan.
*Less power consumption
*1 pcile expansion slots
2 RAM Slots
Few usb connnectors
Mini ITX fixes designed for same micro ATX and ATX.
BTX by Intel to improve air circulation for cooling
But failed due newer chips & equipments.
NLX designed by Intel fir low end low profile computers.
EATX:(Gaming mother board)
8 RAM slots quad channel
5-7 pcie expansion slots
More USB ports
High quality sound
Motherboard & processor sockets has to match.
same generation motherboards & cpu tend to match. SOme motherboards also support for next gen processors.
Just go to processor specs, find processor socket number.
Find motherboards that supports the socket number.
Usually same generation Intel core processors i3,i5,i7,i9 have same socket pin.
Ex: AM4 for amd cpus
Intel lga 1151
Over locking in mother board bios/uefi is also simple.
All amd Ryzen series comes with over clocking.
When comes to Intel we have pay extra price for unlocked version prefix with k. Ex: i10- 10080k
Pcie slots used insert graphic cards.
16 lanes better and pcie 4th gen more speed. Pcie 5th yet to release as on date know more about pcie slots here.
Pc cases size
Not all cases supports all motherboard formfactors check the pc case size & specs as well.
Things to consider before buying motherboard board
Cpu & motherboard should have same matching socket ( know socket number)
Size: more size more features & price
PCIE slots with latest generation at least 3-4 *16 lanes
M.2 slots for SSD
does your mother board supports nvme protocols for faster SSD
number of ports & latest gen usb 3.0 vs usb 2.0 hdmi v1.4 vs hdmi 1.3 thunderbolt, usb type c, pcie latest gen
audio surrounding 7.0 etc
Designed for cooling.
Sata slots for HDD.