Best Buy's "Black Friday in July" sale is offering steep markdowns on the M3 MacBook Pro, with deals on the 14-inch and 16-inch models. The 16-inch M3 MacBook Pro is currently $500 off for all customers, with an extra $200 off select models for My Best Buy Plus/Total members. Non-members can also enjoy $300 off 14-inch models. The sale ends Wednesday, so act fast to take advantage of these discounts. MacRumors is an affiliate partner with Best Buy, so purchases made through our links help support our site. Be sure to check out our Apple Deals roundup for more great discounts on Apple products and accessories.