Specifications - ASROCK B450M/ac R2.0 User Manual

1.2 Specifications

Platform
CPU
Chipset
Memory
Expansion
Slot
2
• Micro ATX Form Factor
• 2oz Copper PCB
• Solid Capacitor design
• AMD AM4 Socket
• Digi Power design
• 10 Power Phase design
• AMD Promontory B450
• Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• AMD Ryzen series CPUs (Matisse) support DDR4
3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered
memory*
• AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4
3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-
buffered memory*
• AMD Ryzen series CPUs (Picasso) support DDR4
2933/2667/2400/2133 non-ECC, un-buffered memory*
• AMD Ryzen series CPUs (Summit Ridge) support DDR4
3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-
buffered memory*
• AMD Ryzen series CPUs (Raven Ridge) support DDR4
3200+(OC)/2933/2667/2400/2133 non-ECC, un-buffered
memory*
* For Ryzen Series CPUs (Picasso and Raven Ridge), ECC is only
supported with PRO CPUs.
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
• Max. capacity of system memory: 64GB
• Supports Extreme Memory Profile (XMP) memory modules
• 15μ Gold Contact in DIMM Slots
AMD Ryzen series CPUs (Matisse, Summit Ridge and
Pinnacle Ridge)
• 1 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)*
• 1 x PCI Express 2.0 x16 Slot (PCIE2: x4 mode)