PNY.com has CS900 2.5" SATA III 960GB SSD Solid State Drive (Part No. SSD7CS900-960-RB) on sale for $79.99, free shipping plus 10% off w/code REW102017.
Their website is very slow and unresponsive though, it took minutes to fresh a page.
https://www.pny.com/ssd-cs900?sku…900-960-RB