On Windows systems, port 445 handles local printer and file sharing traffic.

在Windows系统中，445端口用于处理本地打印机和文件分享流量。

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The other nifty new feature we like is wireless printer sharing.

FORBES: Magazine Article

QNAP's new TS-x12 models are easy to attach to existing networks and provides easy file sharing within the network, centralized backup of all networked computers, website hosting, printer sharing, even recording of surveillance video from IP cameras.

ENGADGET: QNAP's new Turbo NAS line features iOS streaming via WiFi, 3G

Whether you are setting up a network that supports 20 devices in two independent home offices under one roof, or just trying to coax two PCs into sharing a printer, building and managing a HAN is not easy.

ENGADGET: The Family is the Network: Pure Networks' Network Magic wants to make things simple