ASRock B550 Extreme4 / AM4 / 4x DDR4 DIMM / HDMI / 2x M.2 / USB Type-C / ATX, B550 Extreme4

CPU

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

Digi Power design

14 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 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

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.

Ryzen Series CPUs (Matisse):

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.

Supports HDMI 2.
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