Adata via Rakuten offers the Adata 480GB Ultimate Serial ATA 6Gb/s SSD for $109.99. Coupon code "AD20" cuts that price to $89.99. Plus, you'll bag $8.90 in Rakuten Super Points. (You'll need to sign in to your account to get this deal. Not a member? It's free to join.) With free shipping, and assuming you use the credit, that's $17 under last month's mention and the best price we've seen. (It's the best deal today by $49.) It features read speeds up to 520MB/s and write speeds up to 450MB/s. Deal ends April 19.