System battery specificationsThe PowerEdge XE9680 system supports CR 2032 3.0-V lithium coin cell system battery.Expansion card riser specificationsThe PowerEdge XE9680 system supports up to eight PCI express (PCIe) Gen 5 expansion cards installed on PCIe Switch Board(PSB) and two PCI express (PCIe) Gen 5 expansion cards installed on PCIe Base Board (PBB).NOTE: Slots 31 and 40 are present on PCIe Base Board and can be used to install NICs.Table 14. Expansion card slotsExpansion card riser PCIe slot ProcessorConnection PCIe slotheight PCIe slot length PCIe slot widthRiser 4 32 Processor 2 Full height Half length x1633 Processor 2 Full height Half length x16Riser 3 34 Processor 2 Full height Half length x1635 Processor 2 Full height Half length x16Riser 2 36 Processor 1 Full height Half length x1637 Processor 1 Full height Half length x16Riser 1 38 Processor 1 Full height Half length x1639 Processor 1 Full height Half length x16Table 15. Expansion card(NIC) slotsPCIe slot ProcessorConnection PCIe slot height PCIe slot length PCIe slot width31 Processor 2 Full height Half length x1640 Processor 1 Full height Half length x16Memory specificationsThe PowerEdge XE9680 system supports the following memory specifications for optimized operation.Table 16. Memory specificationsDIMM type DIMM rank DIMM capacityDual processorsMinimum systemcapacity Maximum systemcapacityRDIMMDual rank 32 GB Not Supported 1 TBDual rank 64 GB 1 TB 2 TBQuad rank 128 GB 2 TB 4 TBTable 17. Memory module socketsMemory module sockets Speed32, 288-pin 4800 MT/s 1DIMM per channel , 4400 MT/s 2DIMMs per channelTechnical specifications 29