Question Ram Issue

Anon2195

Commendable
Oct 16, 2019
28
1
1,535
In my bios it says I have 16 gigs of ram but in anything else such as pc info or task manager it says I have 15.5 gigs of ram what is causing this? http://prntscr.com/pk9ivz I have a
Gigabyte A320M-S2H
Ryzen 5 1600
GTX 1060 3gb
Crosair Vengance 2x8 Ram
Windows 10

Also I have updated my bios