Dell OptiPlex 5090 MFF Series Intel Chipset Q570 Socket LGA1200 Desktop Motherboard 47TXR 047TXR CN-047TXR.
Chipset: Intel Q570 (SRKM4)
Socket: Intel LGA1200
Max Supported Memory: 64GB
Number of Memory Slots: 2
Memory Type: DDR4 SDRAM
Speed: 2666MHz, 2933MHz, 3200MHz
Type: Desktop Motherboard