Found this on sale at Seagate NAS HDD ST1000VN000 1TB 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive - NeweggFlash.com for $37.99 with free shipping w/ promo code NEFPSCH17. Also eligible for Shoprunner. The data sheet http://www.seagate.com/files/www-co...sources/_shared/docs/nas-hdd-datasheet-gb.pdf makes it appear ideal for upgrading a Tivo HD, TCD652160. Don't see any mention of the Seagate NAS or IronWolf drives in this forum. Comments please.