Linksys BEFCMU10 USB Etherfast Cable Modem (Refurbished)

i don't know why i waited two years before purchasing my own modem i would have saved two years worth of modem rental fees with comcast cable this is a great modem and replaces an rca modem i was renting that was always going offline i never have to reset the linksys modem pulling the plug and the performance seems a tad faster and more consistent if you have a linksys router their devices are all stackable so you can save desk space i rated it four fifths only because of one bad feature heat while linksys devices are stackable the devices get really hot when stacked on top of each other i don't know if it would cause a meltdown or anything but right now i'm trying to figure out how to create some buffer between the two when they're apart each stays cool so i'm pretty sure it's just a question of being too close without enough air circulation i've bought this modem because of my leased