Translation guide
The amount of data that can be stored in a memory device or system, or the ability to remember information.
The storage capacity of a computer, phone, or other electronic device (RAM, hard drive, etc.).
The most direct and common term for memory capacity in computing contexts.
このスマホのメモリ容量は128GBです。
This smartphone's memory capacity is 128GB.
Often used alone to refer to memory capacity, especially in casual conversation. Context makes it clear.
The amount of information a person can remember or the capability of their memory.
Literally 'storage capacity', used for both computer memory and human memory, but more common in technical contexts.
このハードディスクの記憶容量は1テラバイトです。
This hard disk's storage capacity is 1 terabyte.
The app crashed because there wasn't enough memory.
Refers to the power or ability of memory, often used when discussing how much someone can remember.
彼は記憶力がいい。
He has a good memory.
年を取ると記憶力が衰える。
Memory capacity declines with age.
Can be used for human memory in a more technical or metaphorical sense, like comparing the brain to a computer.
人間の脳の記憶容量は無限に近いと言われている。
It is said that the human brain's memory capacity is nearly infinite.