Installing Memory Modules (Dimm) - ASROCK B450 Pro4 R2.0 User Manual

2.3 Installing Memory Modules (DIMM)

This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
1. For dual channel configuration, you always need to install identical (the same
2. It is unable to activate Dual Channel Memory Technology with only one or three
3. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
AMD non-XMP Memory Frequency Support
Ryzen Series CPUs (Matisse):
UDIMM Memory Slot
A1 A2
- SR
- DR
- SR
- DR
SR SR
SR/DR DR
SR/DR SR/DR
Ryzen Series CPUs (Pinnacle Ridge):
UDIMM Memory Slot
A1 A2
- SR
- DR
- SR
- DR
SR SR
SR/DR DR
SR/DR SR/DR
22
brand, speed, size and chip-type) DDR4 DIMM pairs.
memory module installed.
slot; otherwise, this motherboard and DIMM may be damaged.
B1 B2
- -
- -
- SR
- DR
SR SR
SR/DR DR
SR/DR SR/DR
B1 B2
- -
- -
- SR
- DR
SR SR
SR/DR DR
SR/DR SR/DR
Frequency
(Mhz)
3200
3200
3200
3200
2933
2667
2667
Frequency
(Mhz)
2933
2933
2933
2933
2933
2667
2133-2400