Dell precision 5820 Supports Intel Core X-series i9 processors (such as the 10-core i9-10900X or 18-core i9-10980XE)Memory: Up to 256GB of DDR4 non-ECC UDIM memory (8 slots)Storage: Front-accessible hot-swap drive bays (supports 3.5-inch or 2.5-inch drives) plus internal M.2 NVMe SSD slotsGraphics: Compatible with high-end professional GPUs like the Nvidia Quadro RTX series or GeForce RTX cardsPower Supply: 950W high-efficiency, hot-plug power supply.