mb 78 slot

1. cnn slot demo A B+M keyed SSD can fit in B, M or B+M slots Whether it actually works depends on the functionality used An M keyed SSD can only fit in an M keyed slot, not B or B+M A B keyed SSD can only fit in a B keyed slot, not an M or B+M Note that the keying is in the slot and will not fit an incompatibly keyed card