Hello, If I understand your question correctly. You want to upgrade your current memory? The link below shows me what your PC desktop came with, (Installed Items). Specifications.
You want to enter your bios & see just what ammount of memory is installed in your 5441 PC. This is how to get into your Bios. Not every PC has the same F key to enter the bios. Turn your monitor. Than start your PC. Watch your screen closly. It will display, Enter setup Press (F ? ) That is how you get into your bios menue. If your Pc did not display this or went by too fast to see than, Re-start the Pc & press the F2 key every two seconds & see if the Pc enters the bios. It could also be the F10 key or F12 Key or the F1 key. Re-try each till you enter your bios. I'll list another link that sell's memory for your 5441. Use the Specifications link above as a guide when picking the ammount of memory you may want.
Now you have what you asked for & a wee bit more.
Have a nice day. Have more questions, just post back.