Amazon.com: NVME PCIe x16 Adapter, Electop 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
HighPoint Releases the SSD7102: A Bootable Quad M.2 PCIe x16 NVMe SSD RAID Card
M2 NVMe SSD NGFF to PCIE 3.0 X16 adapter M Key B Key mSATA PCI Express 3.0 NVME m.2 SSD & m.2 AHCI & mSATA 3 in 1 converter|Add On Cards| - AliExpress
The Dell 4x m.2 PCIe x16 version of the HP Z Turbo Quad Pro
M.2 X16 to 4X NVME PCIE3.0 GEN3 X16 to 4xNVME RAID Card PCI E VROC CARD RAID Hyper M.2X16 M2X16 4X X4 NVMEx4 RAID Adapter|Add On Cards| - AliExpress
DELOCK 89030: PCIe x16 > 4x internal SFF-8654 4i NVMe, bifurcation at reichelt elektronik
NeweggBusiness - RIITOP Quad M.2 NVMe SSD PCIe x16 Adapter,ASM2824 PCI Express 3.0 X16 Switch to 4 Ports M.2 Adapter Card, Support RAID, Compatible M.2 NVMe AHCI SSD in Size 2242/2260/2280/22110 mm
HighPoint Releases the SSD7102: A Bootable Quad M.2 PCIe x16 NVMe SSD RAID Card
M.2 to PCIe Adapter , NVME SSD to PCI-e 3.0 X16 Host Controller Expansion Card with Low Profile Bracket, PCI Express Adapter for PC Desktop, Support 2230 2242 2260 2280 - Newegg.com