Why do some laptops have soldered RAM?

The room gained by using soldered memory helps keep the laptop slim and can be put toward other purposes, like cooling or a bigger battery. These benefits likely take precedence for manufacturers compared to enabling user-serviceable RAM. Thus, you’re more likely to find user-replaceable memory in these machines.

Is soldered RAM replaceable?

it’s doable, but you need to change the some resistor for the bigger ram chips. Not to mention the correct RAM. I found that many RAM chips has different pin layout too. Still, manufacturer should standardised the connection for upgrades.

Does soldered RAM break?

Soldered RAM failures are fairly rare, unless you put a notebook into extreme temp ranges where expansion/contraction does enough to loosen the RoHS solder and the average person isn’t likely to do it unless they flex/bend their rMBP/MBA in which the expansion/contraction results in serious enough warping.

Is RAM soldered onto motherboard?

In a typical computer system, ROM is located on the motherboard, shown in the right of the picture. It contains the basic instructions for what needs to happen when a computer is powered on. This is typically referred to as the firmware of a computer.

How do I solder RAM to my motherboard?

9 Answers

1. Heat up the sealing adhesive around the two camera chips.
2. Remove sealing adhesive with tweezers.
3. Apply some BGA paste flux around the RAM chip.
4. Blow it with a hot air gun for 30 seconds.
5. Take off the RAM chips.
6. Solder the tin to the soldering iron and flat the bonding pads.
7. Clean with an anti-static wipe.

Do laptops have upgradable RAM?

Some laptops may have non-removable or have RAM built into the motherboard. Once you know you can upgrade RAM on your laptop, find out how much of extra RAM it can take. Most of the latest laptop models should support 16GB of RAM, however, if are using a high-end gaming laptop, it may accommodate 32GB of RAM.