October 27, 2026
When an older laptop or PC starts to feel sluggish, the two upgrades people ask us about most are a solid state drive (SSD) and more memory (RAM). Both can make a big difference, but they fix different problems. Spending money on the wrong one is a common mistake, so here is how to tell which your computer actually needs, and when neither is worth it.
What each upgrade actually does
The drive is where Windows, your programs and your files live. An old spinning hard drive has to physically move a read head across a disc to find data, which is why start-up, opening programs and installing updates can take minutes. An SSD has no moving parts and reads data many times faster, so everything that involves loading from the drive speeds up.
Memory (RAM) is the computer’s short-term workspace. Every open program and browser tab uses some of it. When it fills up, Windows starts shuffling data back and forth to the drive, and the whole machine slows to a crawl, especially if that drive is an old hard disk.
Check which one is holding you back
You can find out a lot in two minutes on a Windows computer:
- Press Ctrl + Shift + Esc to open Task Manager, then choose the Performance tab.
- Click your disk. Windows shows whether it is an HDD (a spinning hard drive) or an SSD. If the disk sits at or near 100% active time while the computer is struggling, the drive is the bottleneck.
- Click Memory. Note the total installed and how much is in use with your usual programs open. If it is regularly close to full, more RAM will help.
If you can’t open Task Manager because the computer is too slow to respond, that in itself usually points to a failing or overloaded hard drive.
When an SSD is the right choice
If your computer still has a spinning hard drive, an SSD is almost always the upgrade to do first. It is the single change that makes the biggest everyday difference to an older machine: faster start-up, programs that open in seconds, and updates that finish instead of dragging on. It also helps with a clicking or noisy drive, which is a warning sign that the old disk may be failing.
Done properly, your existing drive is cloned onto the new SSD, so Windows, your programs and your files are exactly as you left them. See our SSD upgrade page for how we handle it.
When more RAM is the right choice
If you already have an SSD, or Task Manager shows memory filling up while the disk is fine, extra RAM is the better spend. As a rough guide for Windows 11:
- 4 GB is the minimum Windows 11 will install on, and it feels slow with a modern web browser.
- 8 GB is comfortable for email, browsing, office work and video calls.
- 16 GB makes sense if you keep many tabs open, edit photos or video, or run several heavy programs at once.
Adding memory beyond what you actually use won’t make a computer faster. Our memory upgrade service starts by checking how much your machine supports and which type it needs.
Can my laptop be upgraded at all?
Not every machine can. Many thin and light laptops have their memory soldered directly to the board, so it can’t be added to. Some budget laptops use eMMC storage, which is also soldered and can’t be swapped for an SSD. Others have one spare memory slot, or take a particular type of drive. It is worth checking before you buy parts online: the exact model number is printed on a sticker underneath most laptops, and we can tell you what will fit.
When neither upgrade is worth it
Sometimes the honest answer is to put the money towards a replacement instead. Upgrades rarely make sense when:
- the computer can’t run Windows 11. Windows 10 security updates for home users have now ended, so an unsupported machine becomes riskier to use online, however fast it is;
- the slowness is caused by something else, such as malware, overheating or a failing component, which an upgrade won’t fix;
- the laptop has other faults that need repairing too, such as a cracked screen or a worn-out battery, and the total cost approaches the price of a new machine.
If the cause isn’t obvious, start with a diagnosis. Our slow computer repair service finds what is really slowing the machine down, whether that is a failing drive, too little memory, programs starting in the background or malware, and tells you honestly whether an upgrade will help. If Windows itself is badly damaged, a Windows repair or reinstall may be the better fix.
Get advice for your computer
Bring your laptop or PC to our shop at 21 Village Way, Beckenham BR3 3NA. We’re open Monday to Saturday, 9am to 6pm, and you can just walk in. Alternatively, call us on 020 8658 4366 or book online, and we’ll tell you which upgrade, if any, is worth doing before any work starts.