Specifications - ASROCK B550 Phantom Gaming 4/ac Manual

1.2 Specifications

Platform • ATX Form Factor
• Solid Capacitor design
• 2oz Copper PCB
CPU • Supports 3
* Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3
3200G.
• Digi Power design
• 8 Power Phase design
Chipset • AMD B550
Memory • Dual Channel DDR4 Memory Technology
• 4 x DDR4 DIMM Slots
• AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC)
• AMD Ryzen series APUs (Renoir) support DDR4 4733+(OC)
* Please refer to Memory Support List on ASRock's website for
more information. (http://www.asrock.com/)
* Please refer to page 23 for DDR4 UDIMM maximum frequency
support.
• Max. capacity of system memory: 128GB
• Supports Extreme Memory Profile (XMP) memory modules
• 15μ Gold Contact in DIMM Slots
rd
Gen AMD AM4 Ryzen™ / future AMD Ryzen™
Processors (3000 and 4000 Series Processors)*
/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*
/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*
B550 Phantom Gaming 4/ac
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