Number of Memory Slots: 8 x DDR4 DIMM sockets supporting up to 128GB of system memory.
* Support for up to 512GB of system memory when using Registered DIMMs.
* Supported when using a 44-lane or 28-lane CPU.
4 x DDR4 DIMM sockets supporting up to 64GB of system memory.
* Supported when using a 16-lane CPU.