PowerEdge R6515 EPYC 7302P 3GHz 128M 16C 1x16GB H730P 550W 4LFF-HP 1x480GB SATA iDRAC9-E 3YR NBD..16-core processor with L3 cache cache.Dimensions: 1.7"H x 19"W x 28.13"D.Power device: power supply - hot-plug.Rack mount server.Connectivity interfaces: 1 x PCIe 3.0 x16.Optical drive: no optical drive.One expansion slots for upgrading your system