The server HP DL 380 Gen9 with part number 752689-B21 have build-in 10Gb 533FLR-T FlexFabric Adapter as per URL below:
http://www8.hp.com/us/en/products/proliant-servers/product-detail.html?oid=6764695#!tab=specs
If above spec is correct then can you remove add-on HP Ethernet 10Gb 2P 560SFP+ Adptr from the quotation and provide revised quotation please.