Ending today, Newegg offers the Asus AC1300 Dual-Band 802.11ac Wireless PCI Express Adapter, model no. PCE-AC56, for $63.99. Coupon code "EMCEKFH29" cuts that to $49.99. With free shipping, that's tied with our April mention and the lowest total price we could find now by $13. It features data transfer speeds of 867MB/s at 5GHz or 400MB/s at 2.4GHz.