PowerEdge R715 Supported Drives
Internal drive bay and hot-plug backplane: 
 Up to 6 x 2.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA 
Datasheet: R715 spec sheet
Internal drive bay and hot-plug backplane: 
 Up to 6 x 2.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA 
Datasheet: R715 spec sheet