TigerDirect offers the ADATA 512GB XPG SX900 Serial ATA 6Gb/s 2.5" Internal SSD, model no. ASX900S3-512GM-C, for $269.99. Coupon code "FUS112699" cuts it to $259.99. With around $7 for shipping, that's $0.52/GB, and the lowest total price we could find by $118. It features read speeds of up to 540MB/s and write speeds of up to 465MB/s. Deal ends January 8.