QNAP has the QSW-M2116P-2T2S-US. Has 16 ports of 2.5G, 2x10G (copper), and 2x10G SFP+. The 10G ports support 10G/5G/2.5G unlike the older 10G chipsets. Also

QNAP has the QSW-M2116P-2T2S-US. Has 16 ports of 2.5G, 2x10G (copper), and 2x10G SFP+. The 10G ports support 10G/5G/2.5G unlike the older 10G chipsets. Also has 280 watts of PoE. Goes for $700 or so.