Not all DVRs are alike, and DVRs have evolved in terms of capabilities in recent years. For nearly a decade, most pay TV distributors have deployed DVRs containing two tuners and a maximum of 250 GB of storage space. But with the rollout of their respective Hopper and Genie DVRs in 2012, Dish Network and DirecTV forced rival cable operators and telcos to invest in new gear. FierceCable has counted down the top six DVRs on the market, whose multiple tuners and tons of storage space set them apart from the rest. Special report
