Desktop Business ASUS EXPERT CENTER D700MAES-510400020R, Intel® Core™ i5-10400 Processor 2.9 GHz (12M Cache, up to 4.3 GHz, 6 cores), 16GB DDR4 U-DIMM, 512GB M.2 NVMe™ PCIe® 3.0 SSD, DVD writer 8X, High Definition 7.1 Channel Audio, Rear I/O Ports: 1x RJ