Costco offers its members the ioSafe Solo G3 3TB USB 3.0 External Hard Drive, model no. SK3TB, for $269.99 with free shipping. (Non-members pay $13.50 more.) That's $30 under our mention from over a year ago and the lowest total price we've seen for this hard drive. (It's also a current price low by $20.) This drive protects against data loss in fire up to 1550° F for 1/2-hour and from full water immersion up to 10 feet for 72 hours. Deal ends June 22.