Part
273465-B21
is compatible in the following Models:
HPE ProLiant DL380 Server
MCS-7800 2U 2P ECSBU US - 273645-001
DL38R2 2 P1400 SP2178CH SWI - 470049-895
HPE ProLiant DL380 Special Server - 470052-585
ProLiant DL380 GR - 470055-241
ProLiant DL380 GR - 470055-242
PROLIANT DL380 SA - 470057-400