1.2 Specifications
Platform
• Mini-ITX Form Factor
• 8 Layer PCB
• 2oz Copper PCB
CPU
• Supports 3
* Not compatible with AMD Ryzen
3200G.
• Digi Power design
• 8 Power Phase design
Chipset
• AMD B550
Memory
• Dual Channel DDR4 Memory Technology
• 2 x DDR4 DIMM Slots
• AMD Ryzen series CPUs (Matisse) support DDR4 4733+
• AMD Ryzen series APUs (Renoir) support DDR4 4733+
* 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: 64GB
• Supports Extreme Memory Profile (XMP) memory modules
• 15μ Gold Contact in DIMM Slots
rd
Gen AMD AM4 Ryzen
Processors (3000 and 4000 Series Processors)*
(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*
(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*
B550 Phantom Gaming-ITX/ax
TM
/ future AMD Ryzen
TM
TM
5 3400G and Ryzen
TM
3
7