CH222 expansion slots

The CH222 supports one standard PCIe card, which can be a 400 GB, 800 GB, 1.2 TB, or 2.4 TB PCIe SSD card.
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 cards supported by the CH222, see the compatibility checker:

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