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4-Bay NAS

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

Ranked comparisons

Best 4-Bay NAS (2026)

35 compared · 4 criteria Top pick: ASUSTOR LOCKERSTOR 4 Gen3 (AS6804T)8.4

Buying guides

4-Bay NASBest 4-Bay NAS with 2.5GbE or faster official onboard Ethernet (2026)4-Bay NASBest 4-Bay NAS with 4 GB or more official installed memory (2026)

Head-to-head

4-Bay NASSynology DS425+ vs Synology DS4234-Bay NASSynology DS425+ vs Synology RS422+4-Bay NASSynology DS925+ vs Synology RS422+4-Bay NASSynology DS925+ vs Synology DS925neo+4-Bay NASSynology RS826+ vs Synology DS925neo+4-Bay NASQNAP TS-432pxu vs QNAP TS-432x4-Bay NASQNAP TS-432x vs QNAP TS-432xeu4-Bay NASQNAP TS-432xeu vs QNAP TS-4334-Bay NASASUSTOR LOCKERSTOR 4 Gen3 (AS6804T) vs QNAP TS-435xeu4-Bay NASASUSTOR LOCKERSTOR 4 Gen3 (AS6804T) vs QNAP TS-432pxu4-Bay NASQNAP TS-435xeu vs QNAP TS-432pxu

Other topics

1 comparisonsCompact NAS (1–3 bays)1 comparisonsMulti-Bay NAS (5+ bays)