Buying guide 21 models 6 brands

How to Choose the Right NAS Storage

This guide is grounded in the 21 NAS Storage models we track on ProductDB — their specs, replacement parts, documented error fixes and current prices. We don't rank by sponsorship; we rank by what the data shows.

What to look for in a NAS Storage

Before you compare specific models, it helps to know which specifications actually matter. The table below shows the key attributes we track across every NAS Storage in our database — and the range of values you'll see in the market today.

We're still building out the spec schema for this category. In the meantime, the model list below shows what's available.

How much should you spend?

Across the 21 NAS Storage models we track, prices range from $16 to $3,397. In general:

Common problems to plan for

Every NAS Storage eventually needs maintenance. The most common issues we've documented across this category are worth knowing before you buy — they tell you what to expect and what replacement parts you'll likely need.

Slow file transfer

File transfers are slow, often from a network bottleneck, a failing drive, or a fragmented volume.

System update failed

The NAS cannot complete a DSM/OS update, often from a network issue or low storage.

Drive failed / degraded

A drive in the array has failed or the volume is degraded, risking data loss.

NAS not accessible

The NAS is unreachable on the network, often from a network issue or a hung service.

The best NAS Storage models right now

Here are the NAS Storage models we track, ranked by how complete and well-documented they are in our database. Click through for full specs, parts, and troubleshooting.

Synology

Synology DS923+

Popular 4-bay NAS, RAM/drive upgrades

Synology

Synology DS1522+

Popular 5-bay NAS

Synology

Synology DS220+

Popular 2-bay NAS

QNAP

QNAP TS-464

Popular QNAP 4-bay

QNAP

QNAP TS-453D

Popular QNAP 4-bay

TerraMaster

TerraMaster F4-423

Budget 4-bay NAS

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As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time shown and may change. We research product data independently.