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1.2 Specifications
B550D4M
MB Physical Status
Form Factor
ATX
Dimension
12"x9.6" (30.5 cm x 24.4 cm)
Processor System
CPU
AMD Ryzen™ 5000 Series Desktop Processors
AMD Ryzen™ 5000 and 4000 G-Series Desktop Processors with
Radeon™ Graphics
AMD Ryzen™ PRO 5000, 4000 and 3000 Series* Desktop Processors
3
rd
Gen AMD Ryzen™ Desktop Processors
*Not Compatible with AMD Ryzen™ 3000 series processors with Radeon™ Graphics
Socket
AM4 PGA 1331
Chipset
AMD B550
Max Thermal
Design Power
TDP 105W
System Memory
Capacity
- 4 x 288-pin DDR4 DIMM slots (2DPC)
- Support up to 128GB DDR4 ECC/Non-ECC UDIMM
Type
- Dual Channel DDR4 memory technology
- Support DDR4
ECC*/Non-ECC UDIMM
*For AMD Ryzen™ Desktop Processors with Radeon™ Graphics, ECC support is only
with Processors with PRO technologies.
DIMM Size Per
DIMM
- ECC/Non-ECC UDIMM: 32GB, 16GB, 8GB
DIMM Frequency
- ECC/Non-ECC UDIMM: 3200/2933/2666/2400/2133 MHz
Voltage
1.2V
Expansion Slot
PCIe 4.0/3.0 x 16
Vermeer/Matisse:
PCIE6: Gen4 x8 link [CPU]
Cezanne/Renoir:
PCIE6: Gen3 x8 link [CPU]
PCIe 3.0 x 8
Vermeer/Matisse:
PCIE4: Gen3 x4 link [CPU]
Cezanne/Renoir:
PCIE4: Gen3 x4 link [CPU]
Mezzanine Slot
1 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2242
form factor [FCH]
Storage
SATA Controller
B550: 4 x SATA3 6.0 Gb/s (7-pin), support RAID 0/1/10
Additional SATA
Controller
ASM 1061: 2 x SATA3 6.0 Gb/s (7-pin)
M.2
1 (PCIE 3.0 x4/SATA3 (Type 2242/2280/22110)
