![ASRock B450M PRO4 R2.0 - Chipset AMD Promontory B450 - Max. 128GB DDR4, 4×288pin Slot, PCIe 3.0, SATA 6Gb/s Micro ATX AMD Motherboard | 90-MXBEG0-A0UAYZ Buy, Best Price. Global Shipping. ASRock B450M PRO4 R2.0 - Chipset AMD Promontory B450 - Max. 128GB DDR4, 4×288pin Slot, PCIe 3.0, SATA 6Gb/s Micro ATX AMD Motherboard | 90-MXBEG0-A0UAYZ Buy, Best Price. Global Shipping.](https://microless.com/cdn/products/16f2acf4174d967a0ee5f67ec8d48e1f-hi.jpg)
ASRock B450M PRO4 R2.0 - Chipset AMD Promontory B450 - Max. 128GB DDR4, 4×288pin Slot, PCIe 3.0, SATA 6Gb/s Micro ATX AMD Motherboard | 90-MXBEG0-A0UAYZ Buy, Best Price. Global Shipping.
There are two PCI-E 16x slots on ASRock B450M Pro4 motherboard. Which one is PCI-E 16x 3.0 and which one is PCI-E 16x 2.0 slot? - Quora
![My ram (t-force Vulcan z) won't fit into the motherboard (asrock b450m pro-4 f) I bought. It fits, but it doesn't go all the way in. : r/buildapc My ram (t-force Vulcan z) won't fit into the motherboard (asrock b450m pro-4 f) I bought. It fits, but it doesn't go all the way in. : r/buildapc](https://external-preview.redd.it/GBLVV6cJGOSAZBLWhYAICWXTe9rVPiIYcT1v-arIKNs.jpg?auto=webp&s=2fa629896e04835bc6a1c7f607597fbd64aebd9b)