Chipset Intel C620A | Socket LGA4189 | CPU Model Number 4309Y | Clock speed 2800 MHz | Installed CPUs 1 | Maximum number of CPUs 2 | 4x3.5" SAS/SATA Hot-swap | Memory type DDR4 | Memory features RDIMM/ECC | Memory slots 16 | RAID PERC H355 Controller Front | PSU Hot-swap | PSU model code Titanium PSU Configuration for 100-240V AC | PSU Output Power 1100 Watts | Installed PSUs 1 | Server management iDRAC9, Enterprise (15GEN) | Included Accessories A11 drop-in/stab-in Combo Rails Without Cable Management Arm