Dell OptiPlex 3040 7040 Small Form Factor Series Intel Chipset Q170 Socket LGA1151 Desktop Motherboard HD5W2 0HD5W2 CN-0HD5W2.
Chipset: Intel Q170 (SR205)
Socket: Intel LGA1151
Max Supported Memory: 64GB
Number of Memory Slots: 4
Memory Type: DDR4 SDRAM
Type: Desktop Motherboard