HP Part# 861748-B21 is compatible with these HP Servers utilizing Low Profile Carrier (LPc) Drive BaysHP Proliant G10 (Gen10) Series ServersHP Proliant DL Series: DL20 (G10) DL160 (G10) DL325 (G10)HP Proliant ML Series: ML110 (G10) ML350 (G10)HP Proliant G10+ (Gen10 Plus) Series ServersHP Proliant DL Series: DL20 (G10+) DL325 (G10+) DL345 (G10+) DL360 (G10+) DL365 (G10+)HP Proliant DL Series: DL380 (G10+) DL385 (G10+)HP Proliant G11 (Gen11) Series ServersHP Proliant DL Series: DL110 (G11) DL320 (G11) DL325 (G11) DL345 (G11) DL360 (G11) DL365 (G11)HP Proliant DL Series: DL380 (G11) DL385 (G11) DL560 (G11)HP Proliant ML Series: ML110 (G11) ML350 (G11)HP Apollo Series: 4500 (G10) 4510 (G10) 4520 (G10) 4530 (G10)HP Apollo Series: k6000 (G10) d6500 (G10) r2200 (G10) r2600 (G10) r2800 (G10)Specifically designed for HPE Proliant and Apollo Servers with 3.5-inch Low Profile Carrier (LPc) Drive Bays