RAM is the short-term memory of your computer. It stores data that your processor needs for programs and files to run.
RAM needs to be fast because it’s constantly accessed and processed. Storage, like HDDs and SSDs, keeps data intact even when your computer is shut down.
You can view detailed information about your PC’s RAM using a free program such as CPU-Z or Speccy.
What is RAM?
The more RAM you install in your computer, the faster it will be able to run programs. It can also enable you to work with memory-hungry applications like office programs and video editing software.
Think of RAM as your short-term memory for a moment: it stores all the immediate data you need to do something, like typing in the address of a web page into your browser so you can view it. Once you’re done, the information gets moved to storage — your non-volatile hard drive or SSD — for longer term use and storage.
RAM comes in two forms: soldered on to your motherboard or removable modules called DIMMs that slot into the motherboard. It’s important to look at a number of factors, such as Capacity, Speed, and Timings, before buying a RAM module. The first two are essential and will let you know the RAM is compatible with your system. The last two are more of a consideration for PC enthusiasts who want to tweak the performance of their RAM.
How does RAM work?
RAM is the short-term memory that holds the data that your computer is currently working on. It’s “volatile” and loses its information when the power is turned off, unlike non-volatile storage like a hard disc drive or solid state drive, where data persists until deleted.
When a program requires information that’s stored deep inside a file on the hard drive, it can take much longer to open than if the same file was in RAM. This is because the hard drive is a lot farther away from your processor than RAM.
RAM is usually sold in sticks that snap into slots on the motherboard. Most compact devices like laptops and mini PCs stick to a fixed amount of RAM, while larger desktop systems use modular DIMMs that allow for expansion. These modules can be soldered onto the motherboard, but many people opt for the cheaper and faster removable variety. The more RAM you have, the better your computer will perform.
What is the difference between RAM and storage?
Using RAM puts temporary data right in front of your computer processor. It’s orders of magnitude faster than retrieving information from a storage device like a hard drive.
For example, when you click on a link to open a web page, it moves from being stored in your memory (RAM) into the longer-term storage of your hard drive. This process takes time and uses up your processor’s power.
Unlike storage devices, RAM doesn’t retain data when your system turns off. This is because it’s volatile, so its data is lost when the system reboots. Think of it as a desk where you keep things you’re working on for quick access, but when you’re done with them, they disappear into your filing cabinet (storage). This is how RAM differs from non-volatile system storage, which keeps data even after a power outage. It’s also important to note that RAM isn’t a replacement for a hard drive, but instead, complements it.
How much RAM do I need?
If you want a desktop computer that can run resource-intensive programs and games without lagging, it’s important to have a decent amount of RAM. RAM is a form of very fast storage that allows the CPU to access data instantly, rather than waiting for it to be read from the hard drive or SSD.
Most average users don’t need more than 4GB of RAM. This is enough for basic web browsing, office applications and streaming media. But, if you plan to do a lot of video editing or play demanding games, you should consider upgrading to 16GB.
32GB is a good amount of RAM for demanding professional users (like 3D animators or game developers) and serious gamers who need a high frames-per-second rate. However, 64GB is usually overkill unless you’re planning to do heavy 4K rendering or photo/video editing. Moreover, 64GB is too much for most mobile devices and thin-and-light laptops. You may need to install a separate graphics memory card with faster GDDR5 RAM for best results.