Dell PowerEdge R640 Rackmount Server (R640-BASE) - No Processor, No RAM (24 slots free, 1.53TB Max), No Hard Drive (8 x 2.5-inch Hot Plug Hard Drive Bays), No Optical Drive, PERC H730P Integrated RAID Controller, iDRAC9 Enterprise, Connectivity: Front: Video, 1 x USB 2.0, USB 3.0, dedicated IDRAC Direct USB, Rear: Video, serial, 2 x USB 3.0, dedicated iDRAC Network Port, Broadcom 5720 QP 1Gb, 2 x 1100W Hot Plug Power Supplies, Internal Slots: 3 x Gen3 slot (x16 connector), 1U Rackmountable, Bezel, ReadyRails Sliding Rails With Cable Management Arm, No Operating System Installed