Acer Aspire 3 A315-21-47B4 - RAM Upgrade Guide
The Acer A315-21-47B4 laptop has two memory slots for RAM, but only one of these slots can be upgraded by the user. The maximum memory capacity for this laptop is 12GB, with up to 8GB allowed in the user-accessible slot. It uses DDR4 SDRAM as its memory type, which comes in a SODIMM form factor, designed for compact devices like laptops. For optimal performance, the RAM should have a clock speed of 2400MHz, which corresponds to a standard known as PC4-19200.
Acer Aspire 3 A315-21-47B4 Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Acer Aspire 3 A315-21-47B4 |
| 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 A315-21-47B4 RAM
How much RAM can I add to my Acer A315-21-47B4?
You can add up to 8GB in the single accessible slot. The laptop has 4GB soldered that can't be changed, so maximum total is 12GB.
What type of RAM does the Acer Aspire 3 A315-21-47B4 need?
You need DDR4 SODIMM memory running at 2400MHz. Make sure it's laptop memory (SODIMM), not desktop RAM.
Can I upgrade both RAM slots on this laptop?
No, only one slot is accessible for upgrades. The other slot has 4GB permanently soldered to the motherboard.
Is it worth upgrading from 4GB to 12GB?
Definitely. Going from 4GB to 12GB makes a huge difference for multitasking, browser tabs, and general Windows performance. It's one of the best upgrades for this model.
What's the difference between SODIMM and regular RAM?
SODIMM is smaller laptop memory. Regular desktop RAM (DIMM) is physically larger and won't fit in a laptop. Always get SODIMM for notebooks.