The PNY 960GB and it's assorted smaller sizes are all showing 15% off if purchased using an amazon visa card (They have to be sold by amazon. For example the 1TB for $2 more was only available via third parties.) so $86($85.99) -15% cashback = $73. [According to @cgigate Staples Brick and Mortar has this drive on clearance for $62.46 if you can find one. It's been on clearance @ staples BM since march. ]
Taxes for me were ~$6. Obviously yours will depend on what promo you use and what state/town you live in.
If you don't have an amazon visa card or for some reason are not seeing the 15% offer (According to @ChrisB8980 it appears to only show up for Amazon prime members) and you've verified it's SOLD, not just delivered/shipped by amazon then an alternative is paying with a capital one card and using the $20 off $80 promo they have where you have to apply at least $.01 in reward points to the purchase to get the discount.
I added the YMMV because someone will complain they were not eligible or some other reason it didn't work for them or they already used the capital one discount etc.
If you do the 15% offer you pay upfront and get the cashback from the card later. If you use the capital one discount it's taken off the front end with no waiting but you may wish to save that discount since it applies to ALL items sold by amazon.
Other item's available for 15% off with an amazon visa card are available at https://www.amazon.com/l/17985366...IFJXXFKTRN