Dell OptiPlex 5040 Small Form Factor Series Intel Chipset Q170 Socket LGA1151 DDR3 Desktop Motherboard T7D40 0T7D40 CN-0T7D40.
Chipset: Intel Q170 (SR205)
Socket: Intel LGA1151
Max Supported Memory: 16GB
Number of Memory Slots: 4
Memory Type: DDR3 SDRAM
Speed: 1600MHz
Type: Desktop Motherboard