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All comparisons

Pick a category to see the ranked table, the top pick and a buying guide.

Compact NAS (1–3 bays)

1- to 3-bay NAS units ranked on official installed memory, onboard Ethernet, CPU cores and port count from maker spec tables.

Best Compact NAS (1–3 Bays, 2026)

1- to 3-bay NAS units ranked on official installed memory, onboard Ethernet, CPU cores and port count from maker spec tables. Top pick: ASUSTOR LOCKERSTOR 2 Gen2+ (AS6702T v2)5.3

4-Bay NAS

4-bay NAS units ranked on official installed memory, onboard Ethernet, CPU cores and port count from maker specification tables.

Best 4-Bay NAS (2026)

4-bay NAS units ranked on official installed memory, onboard Ethernet, CPU cores and port count from maker specification tables. Top pick: ASUSTOR LOCKERSTOR 4 Gen3 (AS6804T)8.4

Multi-Bay NAS (5+ bays)

NAS units with five or more official drive bays, ranked on official bay count, memory, onboard Ethernet and CPU cores.

Best Multi-Bay NAS (5+ Bays, 2026)

NAS units with five or more official drive bays, ranked on official bay count, memory, onboard Ethernet and CPU cores. Top pick: ASUSTOR LOCKERSTOR 24R Pro Gen2 (AS7224RDX)10.0