As one of its daily deals, Newegg offers the Seagate 4TB Serial ATA 6Gb/s 3.5" Solid State Hybrid Hard Drive with 8GB SSD, model no. ST4000DX001, for $139.99 with free shipping. That's tied with our January mention and the lowest total price we've seen. (It's also a current low by $25.) It features a 64MB cache. Deal ends today.