I have 32 GB RAM, but only 16 GB are usable : r/pcmasterrace
Solved - 16 GB RAM installed but only 8 GB usable | Windows 8 Help Forums
My laptop is 16gb but only 14gb usable : r/GamingLaptops
Windows 10 Help Forums
12GB RAM (11.8GB usable) | guru3D Forums
Windows 10 Help Forums
windows 7 - Win7 Professional x64 16GB (4.99GB usable) - Super User
WIN10 does not utilize full 16GB of RAM, 8GB hardware reserved - Microsoft Community
Amazon.com: Beelink Mini PC, Mini S12 Pro Intel 12th Gen 4-Core N100(up to 3.4GHz), Mini Computer 16GB DDR4 RAM 500GB SSD, Desktop PC Dual HDMI 4K UHD/Gigabit Ethernet/WiFi6/BT5.2/Linux PC(Ubuntu)/HTPC : Electronics
Why is only 6.95 GB of RAM usable from my 16 GB that I have installed? - Quora
16gb ram installed windows only showing 12gb?? | Tom's Hardware Forum
How to fix "GB usable" RAM problem under 64-bit Windows (msconfig) - YouTube