As one of its daily deals, Best Buy again offers the SanDisk Ultra Backup 8GB USB Flash Drive, model no. SDCZ45-008G-A11, for $6.99 with free shipping. That's $0.87/GB, tied with our mention from four days ago, and the lowest total price we could find now by $3. Sales tax is added where applicable. It features AES encryption. Deal ends today.