I purchase this particular modem base on some on-line research . my old modem be a DOCSIS 1.0 modem therefore limit to 12mp of download . I decide to upgrade to a DOCSIS 2.0 modem to gain more speed . this modem fit the bill as far as speed and value . I have be use it for over a month and it have function normally . I have use other Linksys product and be very satisfied with this modem .