CH121 V3 expansion slots

The CH121 V3 supports a standard PCIe card (full-height half-length), which can be a PCIe SSD card of an 800 GB, 1.2 TB, or 2.4 TB capacity.
If a PCIe card is configured, DIMMs cannot be installed in the six DIMM slots under the PCIe card due to limited space.
For details about the PCIe expansion cards supported by the CH221 V3, see the compatibility checker:

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