HP 604052-001 PCI Express I/O expansion board - Includes two x16 PCIe card slots, and four x8 PCIe card slots

List of compatible models includes: DL585 G7 6328 4P SP1139PRC Svr, DL585 G7 6344 2P 32GB JP Svr, DL585 G7 6376 4P 64GB EU Svr, DL585 G7 6380 4P 128GB AP Svr, DL585 G7 6380 4P 128GB US Svr, DL585 G7 6386SE 4P 128GB JP Svr, DL585G7 6136 2P SP1100AP Svr, DL585G7 6168 2P 32G JP Svr, DL585G7 6172 4P 32GB ICE EU Svr, DL585G7 6174 4P 64GB ICE CN Svr, DL585G7 6176SE 4P 64GB ICE AP Svr, DL585G7 6176SE 4P 64GB US Svr, DL585G7 6180SE 4P 64GB EU Svr, DL585G7 6212 64 GB US Svr/S-Buy, DL585G7 6238 2P 32GB CN Svr, DL585G7 6272 4P 64GB AP Svr, DL585G7 6272 4P 64GB US, DL585G7 6276 4P 128GB JP Svr, DL585G7 6282SE 4P 128GB EU Svr, DL585G7 O6136 2P SP1074AP Svr, DL585R07 Mod0 Svr