How To Find Out How Many Ram Slots Are Used

The total amount of memory, or RAM, a computer can have is dependent on the motherboard installed in the computer and the operating system. In general, most motherboards will support either two or four memory modules, but the type and amount of memory can differ widely from one motherboard to the next.

Tip

How to find out if you have a 32-bit or 64-bit version of Windows Press the Windows key and the Pause/Break key at the same time. A new window should appear that says System at the top, similar to the one below. Under the System section, next to System type:, you can see if your version of Windows is 32-bit or 64-bit.

How To Find Out How Many Ram Slots Are Used Windows 7

  • @azorius (and probably unimplemented) means the bios/chipset can handle 4 slots, but the board manufacturer decided not to include 2 of the possible slots the bios can support in the physical realm that is the actual MB.
  • Hello, I am considering in buying an Inspiron 15 series 3000. I don't know exactly which model they are going to send me (3552, 3., whatsoever). The system has 8GB RAM. How can I check if it's possible, in future, upgrade RAM to (for example) 16GB? Where can I get info about memory slots free.
  • The number of memory devices in the results of sudo dmidecode -type 17 is equal to the number of memory slots, so the command to print the number of RAM slots is: sudo dmidecode -type 17 grep 'Memory Device' -count The results of this command will be one integer number equal to the number of RAM slots.

If you are trying to find memory specifications for upgrading your computer memory, see: What type of computer memory to use in a memory upgrade?

Note

If you are not sure what operating system you have, see: How to find what operating system is on a computer.

Microsoft Windows computers

How much ram your computer can hold depends on if you're running a 32 or 64-bit version of Windows, which depends on your CPU. The capacities are as follows, permitting you have the physical space to fit the RAM modules.

  • 32-bit systems - up to 4 GB
  • 64-bit systems - up to 128 GB

How to find out if you have a 32-bit or 64-bit version of Windows

  1. Press the Windows key and the Pause/Break key at the same time.
  2. A new window should appear that says System at the top, similar to the one below.
  1. Under the System section, next to System type:, you can see if your version of Windows is 32-bit or 64-bit.

Once you know the type of memory and the total amount of memory the computer supports, you can increase the amount of memory by installing additional sticks of RAM. You can also replace existing sticks of RAM with ones having a higher amount of memory.

How To Find Out How Many Ram Slots Are Used

Apple macOS computers

  1. Click the Apple icon in the upper-left corner to open the Apple menu.
  2. In the drop-down menu that appears, select About This Mac.
  3. You should see a window open that is similar to the one below.
  1. Visit Apple's page for a table containing the max RAM for each machine, based on the information in the iMac section in the above window.

Once you know the type of memory and the total amount of memory the computer supports, you can increase the amount of memory by installing additional sticks of RAM. You can also replace existing sticks of RAM with ones having a higher amount of memory.

Linux and Unix-based computers

How To Find Out How Many Ram Slots Are Used Per

Similar to a Windows-based computer, Linux-based machines' maximum RAM is based on whether they have 32-bit or 64-bit architecture. Most 32-bit Linux systems only support 4 GB of RAM, unless the PAE kernel is enabled, which allows a 64 GB max. However, 64-bit variants support between 1 and 256 TB.

To determine how much ram your Linux-based computer supports, open the Terminal (Ctrl+Alt+T) and type in the following command:

Look for the Maximum Capacity section to see the limit on RAM.

Once you know the type of memory and the total amount of memory the computer supports, you can increase the amount of memory by installing additional sticks of RAM. You can also replace existing sticks of RAM with ones having a higher amount of memory.

Additional information

How To Find Out How Many Ram Slots Are Used For A

  • See the RAM and memory definition for further information about each of these terms and related links.