ASRock Z97 Extreme6 Tests Samsung XP941 M.2 x4, Plextor M6e M.2 x2 and Samsung 840 Pro SATA 3 SSDs | The SSD Review
PCI Express - Wikipedia
Asustek's adapter provides M.2 SSDs up to 4GB/s of bandwidth | KitGuru
Amazon.com: ELECTOP NVME PCIe x16 Adapter, M.2 Key-M SSD to PCI 3.0 Express Expansion Card, Support 2230 /2242/2260 /2280 with Heat Sink, Compatible with Windows XP / 7/8 / 10 & MAC OS System : Electronics
Dual M.2 PCIe NVMe Adapter Without PCIe Splitter Function (PCIe Bifurcation Motherboard is Required), Support M.2 PCIe 4.0/3.0 SSD Soft RAID Setup in Windows/Linux
Samsung 990 PRO Series 2TB PCIe Gen4. X4 NVMe 2.0c M.2 Internal SSD MZ-V9P2T0B/AM | GameStop
Rivo PCI-E Riser PCIe M.2 PCIe SSD to PCIe Express 3.0 x4 Adapter Card - Supports M2 NGFF PCI-e 3.0, 2.0 or 1.0, NVMe or AHCI, M-Key, 2280, 2260, 2242, 2230 Solid State Drives
IOCREST IO-PEX40152 PCIe x16 to Quad M.2 NVMe PEX Switch PCIe Card Review - The Tech Journal