Best Buy, Staples and Office Depot are some stores that sell digital subscriber line modems, as of 2015. Many DSL modems are available with built-in wireless routers and multiple Ethernet ports to provide a one-piece networking solution. DSL modem users must check compatibility between the modem desired and their network provider, but many times they are compatible. Cable modems and DSL modems are not interchangeable. Pricing varies between product brands, models, features and capabilities.
Best Buy has several brands of DSL modems available, including Actiontec, Netgear and Centurylink. Product models available including the Actiontec four-port Ethernet broadband router with Wireless-N that has an ADSL 2/2+ modem, speeds up to 300 megabits per second and a pre-configured setup. Best Buys Netgear equipment available includes the N600 dual-band wireless router with built-in DSL modem with an assortment of security and access features.
Staples has a wide selection of both stand-alone DSL modems and modem-router combinations from Netgear, TP-Link, Actiontec and D-Link. Product offerings range from the Netgear DM111PSP DSL modem to the company's high-end Nighthawk combination unit that is compatible with both ADSL and VDSL, and has transfer speeds up to 1.9 gigabits per second.
Office Depot has individual stand-alone modems and Zhone units designed to integrated large corporate Ethernet networks with SHDSL services.