The first thing that you have to determine is, does the motherboard have UEFI instead of a standard BIOS. This is required for the GTX 740. Also, you have to check the wattage required to run the card properly and that the power supply unit has this amount. You can measure the space where the card is to be installed to see if it will fit.
Here is the Maintenance and Service Guide for the computer. On Page 20 is the information on the PSU. It will also contain the information on all of the other system's components.
