Quad NVMe PCIe Adapter, RIITOP 4 Port M.2 NVMe SSD to PCI-e 4.0/3.0 x16 Card with Fan for 2230/2242/2260/2280 SSD (PCI-e Bifurcation Required) - Newegg.com
Low-Profile M.2 NVMe SSD to PCIe 4.0 Adapter with Heat Sink for 1U - Micro Connectors, Inc.
Amazon.com: Quad M.2 NVME SSD to PCI-E 4.0 X16 Adapter, High Speed 4x32Gbps Soft Raid Card with Individual LED Indicator Support 2230 2242 2260 2280 (ph44) : Electronics
PCIe 4.0 vs. PCIe 3.0 SSDs Benchmarked | TechSpot
M.2 NVMe PCIe 4.0 Card - GRAUGEAR
JEYI M.2 NVME SSD to PCIe 4.0 Adapter Card, 64Gbps SSD PCIe 4.0 X4 Expansion Card for Desktop PC , PCI-E GEN4 Full Speed SK4 - AliExpress
PCIe 4.0 x16 to 4-Port M.2 NVMe Adapter Card
PCIe 4.0 16x to 4X M.2 NVME SSD Adapter Card PCIe 4.0 GEN4 Full Speed Bifurcation Four-Bay Board Expansion Card 1 to 4 M.2 NVMe SSD Adapter Support 2242 2260 2280 22110 (with Heatsink) - Newegg.com
M.2 8x4 Silent Gen4 PCIe Card - SONNETTECH
World's First PCIe 4.0 M.2 NVMe SSD Announced by Gigabyte - eTeknix
M.2 NVMe SSD PCIe 4.0 Adapter with Covered Heat Sink - Micro Connectors, Inc.