Asus Hyper M.2 x 4 mini PCi-e m.2 extension card high profile
ASUS HYPER M.2 X4 MINI CARD - Interface adapter - M.2 - Expansion Slot to M.2 - M.2 Card - 32 Gbit/s - PCIe 3.0 x4 - for Asus Z170. ASUS HYPER M.2 X4 MINI Card M.2 Ultra-fast M.2 speeds of up to 32Gbit/s with PCIe slot flexibility.