Acer Aspire 3 A315-21 - RAM Upgrade Guide
The Acer A315-21 laptop has two memory slots for RAM, but only one of these slots can be upgraded by the user. The maximum amount of memory the laptop can support is 12GB, with up to 8GB allowed in the user-accessible slot. It uses DDR4 SDRAM as the type of memory, which comes in a small outline dual inline memory module (SODIMM) format. For best performance, the recommended RAM speed is 2400MHz, also referred to as PC4-19200.
Acer Aspire 3 A315-21 Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Acer Aspire 3 A315-21 |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 12GB (up to 8GB in user accessible slot) |
| Memory type | DDR4 SDRAM |
| Form factor | SODIMM (Small Outline Dual Inline Memory Module) |
| Recommended RAM clock speed | 2400MHz (PC4-19200) |
| Voltage | Low - 1.2V |
| Number of pins | 260-pin |
FAQ about Acer Aspire 3 A315-21 RAM
What's the maximum RAM I can put in my Acer A315-21?
You can get up to 12GB total. The laptop has 4GB soldered that you can't change, plus one slot where you can add up to 8GB more.
How many RAM slots does the A315-21 have?
It has 2 slots total, but only 1 is accessible for upgrades. The other has 4GB permanently soldered to the motherboard.
What type of RAM do I need for this laptop?
You need DDR4 SODIMM (the smaller laptop-sized sticks). Make sure it's 2400MHz speed - that's also labeled as PC4-19200.
Can I just buy any DDR4 RAM?
Not quite - needs to be DDR4 SODIMM specifically, not the full-size desktop RAM. And stick with 2400MHz for best compatibility.
Is it worth upgrading from 4GB to 12GB?
Definitely. Going from 4GB to 12GB makes a huge difference for multitasking, browser tabs, and general responsiveness. It's usually the best bang-for-buck upgrade on these machines.
Can I put 16GB stick in the empty slot?
No, the slot maxes out at 8GB. Even if you put a 16GB stick in, it'll only recognize 8GB of it.