QNAP Standard rack mount unit size usage, design for single installation into single unit space of rack mount.(SP-EAR-QSWSTANDARDRACK-02) - Applied to All half-racjmount switch models
VS-2004/2008/2012 PRO
VS-2104/2108/2112 PRO+
VS-2200 Pro+ series
VS-201P/VS-201V
NMP-1000P