Dell OptiPlex 5260 Series Intel Chipset Q370 Socket LGA1151 All-In-One Desktop Motherboard 3CDJK 03CDJK CN-03CDJK.
Chipset: Intel Q370 (SR404)
Socket: Intel LGA1151
Max Supported Memory: 32GB
Number of Memory Slots: 2
Memory Type: DDR4 SDRAM
Speed: 2666MHz
Type: All-In-One Desktop Motherboard