Translation guide
A dedicated file storage device connected to a network, allowing multiple users and devices to access and share files.
Referring to the device or system itself
The most common and natural way to refer to network-attached storage in Japanese. It is an acronym pronounced as 'nasu' and is widely understood in both technical and consumer contexts.
新しいNASを買いました。
I bought a new NAS.
Sometimes used to describe a simple NAS device, especially one that is essentially a hard drive with a network port. Not as precise as NAS.
ネットワークHDDを設定しました。
I set up the network hard drive.
A direct translation that is sometimes used in formal or technical documentation, but it is less common in everyday speech.
このネットワーク接続ストレージは大容量です。
This network-attached storage has a large capacity.