HPE  2U SFF Easy Install Rail Kit for Proliant Gen8/9/10,  

Part Numbers:

733660-B21, 730159-001, 718225-001, 718228-001, 718497-001, 728348-001, 728390-001, 729870-001, 730159-002, 730160-001

Compatible Models:

HP ProLiant DL180 Gen9, 

HP ProLiant DL380 Gen10, 

HP ProLiant DL380 Gen9, 

HP ProLiant DL380e Gen8, 

HP ProLiant DL380p Gen8, 

HP ProLiant DL385p Gen8

Rail Type:
Rail Kit (Inner & Outer)