ESATA NAS server
prices on 21 model eSATA
— a kind of SATA interface, designed to connect external drives ("e" — "external", i.e. "external"). It is used only for this purpose, mainly eSATA is used in external HDDs. This standard provides a good data transfer rate (at the level of internal SATA 2 — 2.4 Gbps), but is relatively uncommon, partly due to the dominance of USB.