PowerEdge R7615 Supported Drives
Internal drive bay and hot-plug backplane:
Up to 32 x EDSFF E3.S Gen5 NVMe (SSD)
Up to 24 x 2.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA
Up to 12 x 3.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA
Datasheet: R7615 spec sheet