pny-storedge-macUpdate: The deal is still available but will not be shipped until 12/21. Click here to place your order.

Amazon has the 128GB PNY StorEDGE flash memory expansion for MacBooks for $79.99 with free shipping. As a pricing comparison, it retails for $200, typically sells for around $100, and today’s deal is the best price ever by nearly $15.

These cards are designed to live inside a MacBook Air/Pro or Retina and provide a handy additional 128GB or 64GB of space. The shortened size means they sit nearly flush with the sides of the MacBook and won’t protrude out. The 64GB model remains on sale for $39.99. Rated 3.5 stars.

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