ASROCK MB B550M STEEL LEGEND (AM4, amd B550, 4xDDR4 4733, 6xSATA3, 7.1, HDMI +DPort, M.2, USB3.2, mATX), B550M STEEL LEGEND

CPU

Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™ Processors

Digi Power design

10 Power Phase design

Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G.

Chipset

AMD B550

Memory

Dual Channel DDR4 Memory Technology

4 x DDR4 DIMM Slots

AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory

AMD Ryzen series APUs support DDR4 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory

Max. capacity of system memory: 128GB

Supports Extreme Memory Profile (XMP) memory modules

15µ Gold Contact in DIMM Slots

For Ryzen Series CPUs (Picasso), ECC is only supported with PRO CPUs.

Graphics

Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU

DirectX 12, Pixel Shader 5.0

Shared memory default 2GB. Max Shared memory supports up to 16GB.

Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display contro
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