Checkmate is a savings app with over one million users that have saved $$$ on brands like Amazon.
The Checkmate extension automatically applies Amazon discount codes, Amazon coupons and more to give you discounts on products like StarTech.com IDE to SATA Hard Drive or Optical Drive Adapter Converter, 40-Pin PATA to 2.5" SATA HDD / SSD / ODD Converter, TAA.
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.