ASRock B450M Steel Legend Quick Installation Guide - Page 8
Specifications
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1.2 Specifications Platform • Micro ATX Form Factor CPU • AMD AM4 Socket • Digi Power design • 6 Power Phase design • Supports 105W Water Cooling (Pinnacle Ridge); Supports 95W Water Cooling (Summit Ridge); Supports 65W Water Cooling (Raven Ridge) Chipset • AMD Promontory B450 Memory • Dual Channel DDR4 Memory Technology • 4 x DDR4 DIMM Slots • AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3533+(OC)/3200(OC)/2933(OC)/2667/2400/2133 ECC & nonECC, un-buffered memory* • AMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC)/3200(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory* • AMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC)/3200(OC)/2933/2667/2400/2133 non-ECC, unbuffered memory* * For Ryzen Series CPUs (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/) * Please refer to page 22 for the table for AMD non-XMP memory frequency support. For more details, please refer to the QVL on ASRock's website. • Max. capacity of system memory: 64GB • 15μ Gold Contact in DIMM Slots English Expansion Slot AMD Ryzen series CPUs (Summit Ridge and Pinnacle Ridge) • 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)* • 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) AMD Ryzen series CPUs (Raven Ridge) • 1 x PCI Express 3.0 x16 Slot (PCIE2: x8 mode)* • 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode) 6
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