Newegg offers the Adata 480GB Ultimate SU650 3D NAND 2.5" Serial ATA 6Gb/s Internal SSD for $51.99 with free shipping. That's tied with our mention from three weeks ago as the best deal we've ever seen. (It's the lowest price today by $13, excluding the mention below.) It features read speeds up to 520MB/s and write speeds up to 450MB/s. Deal ends January 19.

A close price: Adata via Rakuten charges $52.99