Asus 90SF01Y1-M000E0 RS300-E11-RS4 ; 1U, 1 x Socket LGA 1200; 4 x 3.5"/2.5" HS HDD Bays, up to (2*SATA/SAS/NVMe + 2*SATA/SAS); 4 x DDR4 ECC and non-ECC UDIMM; 3 slots: 1 x PCI-E x 16 + 1 x PCI-E