802.11ac 4x4 standard size mini pcie card is launched - Banana Pi BPI-R2/BPI-R64/BPI-R3 - banana pi single board computer open source project official forum SinoVoip BPI team
WPEQ-450AC 4x4 MU-MIMO WiFi 5 wave 2 module for the 5GHz band, Mini PCIe Module, Qualcomm Atheros 9984, 4T4R - M-FACTORS Storage
The Sonnet M.2 4x4 PCIe Card adds insanely-fast SSD speeds to Mac Pro