ASRock B450 motherboards come with a total of eight PCIe 3.0 slots, four of which are x16 and the other four are x8. This gives users a lot of flexibility when it comes to choosing their graphics cards, as well as storage devices. ASRock’s B450 motherboards also come with two M.
2 slots that can support both SATA and PCI Express devices. This means that users can install either a fast SSD or a traditional hard drive into the M2 slot, giving them plenty of options when it comes to storage configuration. In conclusion, ASRock’s B450 motherboards offer a great range of features and slots that will allow users to configure their system the way they want it.