Newegg offers the Seagate Backup 6TB USB 3.0 External Hard Drive, model no. STDT6000100, for $199.99. Coupon code "EMCAXAX24" drops it to $179.99. With free shipping, that's tied with our July mention as the best price we've seen and the lowest total price we could find now by $39. It features mobile backup via an app for both iOS and Android devices. Deal ends September 10.