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ASRock - B450 Pro4 ATX AM4 Motherboard

( 4.0 Average / 5 Ratings )




Part #

B450 Pro4


Black / Silver

Form Factor


CPU Socket



AMD B450

Memory Slots

4 x 288-pin DIMM

Memory Type

DDR4-2133 / 2400 / 2666 / 2933 / 3200

Maximum Supported Memory

64 GB

RAID Support


Onboard Video

Depends on CPU

CrossFire Support


SLI Support


SATA 6 Gb/s


Onboard Ethernet

1 x 1000 Mbit/s

Onboard USB 3.0 Header(s)


Completed Builds Using This Part

See All Completed Builds


Merchant Base Promo Shipping Tax Availability Total
Newegg $89.99 +$3.99 s/h In stock $93.98
Newegg Business $89.99 +$3.99 s/h $93.98
SuperBiiz $87.99 +$7.99 s/h Out of stock $95.98
Walmart $126.53 +FREE s/h In stock $126.53

Price History (Excluding Tax) History:


pant224 3 points 5 months ago
from completed build Birthday PC Build

Everything is good except the pci-e slots are weak. Bottom one came off when I tried to take out my gpu.

FDIProgrammer 12 points 3 months ago

Amazing board, 4 ram slots, 2 pci express, 2 m.2, lots of SATA, RGB header, with b450 just put cpu and go, keeps vrm on amazing temps and motherboard too, just install the ram and it auto select xmp. i update BIOS to 1.50 very easy. With this board You Will have future upgrade options.

SamEriksenSchultz 5 points 3 months ago
from completed build All AMD gaming build

Decent motherboard with overclocking support and an easy to use BIOS.

AsRock's RGB software sucks though.

Hyprodimus 16 points 2 months ago
from completed build TELETRAN XI

Great for budget builds. Heat sinks arent top of the line like other brands, but for the price, you get hardware that will get the job done, and has additional features like ARGB which would be on competitor motherboards twice the price. It could have been $30 cheaper if I was in town to mail in the rebate form. ASRock's MIR is only a 10 day window. ASRock Pollychrome is very basic, with limited modes, and limited control granularity. It has the main features I wanted to get the desired look I was after, so anything else was icing on the cake.

maxzeightfive 8 points 1 month ago
from completed build Dream Machine

Cheapest ATX board on my local market, works pretty good, VRM temps are fine.

There is a rumor circulating around these boards that there are two revisions, one with decent VRMs and one with crappy ones. I think I got the good one, it's pretty stable, I hope it will be able to OC my 2600 to 4GHz or run next-gen Ryzen CPUs if I will need an upgrade.