Quantity   Component name
1 × HP 8200 Elite Microtower Base Chasis
1 × 6 2.5-inch SATA Swapable Bay in 5.25-inch Bay
1 × 2 2.5-inch SATA Swappable Bay in 3.5-inch Bay
6 × 2.5-inch SATA 1TB HDDs Probably HGST 7200rpm
2 × 2.5-inch SATA SSDs Probably 250GB SATA Type SSDs
1 × PCI SATA Controller with 4 SATA ports Mainboard only has 4 SATA ports. Extra ports required.