Customer-Replaceable Units

The following table lists the customer-replaceable units (CRUs) in the server and directs you to the replacement instructions.

CRU	Description	Replacement Instructions
Battery	Cold-serviceable 3V Lithium Coin Cell Battery that powers the CMOS BIOS and real-time clock located in SMODs.	Servicing System Module (SMOD) Components (FRU)
Memory (DIMMs)	Warm-serviceable Add or replace LRDIMM memory modules located in CMODs.	Servicing CPU Module (CMOD) Components (FRU)
Storage drives	The Oracle Exadata Database Server X8-8 does not support SAS3 HDD/SSD storage drives. Storage drive slots are populated with storage drive filler panels.
Fan modules (FM0-7)	Hot-serviceable Eight fan modules for cooling the server components.	Servicing Fan Modules (CRU) and Fan Frames (CRU)
PCIe cards	Hot-serviceable Optional add-in cards that can expand the functionality of the server.	Servicing PCIe Cards and Carriers (CRU)
Dual PCIe card carriers (DPCC)	Hot-serviceable Eight dual PCIe card carriers (DPCCs), each with two PCIe card slots.	Servicing PCIe Cards and Carriers (CRU)
Power supplies (PS0-3)	Hot-serviceable Four fully redundant AC-powered power supplies.	Servicing Power Supplies (CRU)