HP Part# 861683-B21 is compatible with these HP Servers utilizing Low Profile Carrier (LPc) Drive BaysProliant DL Series: DL20 (G10) DL160 (G10) DL325 (G10 G10+) DL360 (G10+) DL380 (G10+) DL385 (G10+)Proliant ML Series: ML110 (G10) ML350 (G10)Specifically designed for HPE Proliant Servers with 3.5-inch Low Profile Carrier (LPc) Drive Bays