ASRock B450M/ac R2.0 User Manual - Page 8
Specifications
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1.2 Specifications Platform • Micro ATX Form Factor • 2oz Copper PCB • Solid Capacitor design CPU • AMD AM4 Socket • Digi Power design • 10 Power Phase design Chipset • AMD Promontory B450 Memory • 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, unbuffered 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, unbuffered 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 English Expansion Slot 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) 2