Installation Of Memory Modules (Dimm) - ASROCK C621A WS Manual

2.4 Installation of Memory Modules (DIMM)

This motherboard provides eight 288-pin DDR4 (Double Data Rate 4) DIMM slots in two
groups, and supports Eight Channel Memory Technology.
A1
1 DIMM
2 DIMMS
4 DIMMS
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8 DIMMS
1. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4 slot;
otherwise, this motherboard and DIMM may be damaged.
2. For eight channel configuration, you always need to install identical (the same brand,
speed, size and chip-type) DDR4 DIMM pairs.
CPU1
B1 C1 D1
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E1 F1 G1
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C621A WS
H1
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