hwLswSlotMemoryUsed 1.3.6.1.4.1.43.45.1.2.23.1.18.4.3.1.12

The system memory in use on the board. Note that the system memory means the memory can be used by the software platform. If the amount of used memory exceeds 4,294,967,295 bytes, the value remains 4,294,967,295 bytes.