QNAP TS-231P2 2-Bay NAS – With Pre-installed 4TB (WD Red NAS Drives) – 1GB RAM – White. Model QNAP TS-231P2 (QTS 4.3). 4TB total NAS storage pre-installed (WD Red HDDs). Bays / Drives 2 bays, hot-swap •4TB installed (WD Red NAS HDDs) • 2.5"/3.5" SATA III/II.
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