Adata via Rakuten offers its Adata 960GB Ultimate SU650 Serial ATA 6Gb/s 3D NAND 2.5" Internal SSD for $99.99. Coupon code "AD15" knocks it to $84.99. (You must be signed in to apply the coupon.) With free shipping, that's tied with our mention from three weeks ago as the lowest price we've seen. (It's the best deal now by $15.) It features read speeds up to 520MB/s and write speeds up to 450MB/s.
With these companies, it might be easier than you think to negotiate your monthly bill down.