PowerEdge R220 Supported Drives

Internal drive bay and hot-plug backplane:
Up to 2 x 2.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA
Up to 2 x 3.5” HDD: SAS, SATA, Near-line SAS SSD: SAS, SATA

Datasheet: R220 Spec Sheet