Amazon.com: Kingston NV2 1TB M.2 2280 NVMe Internal SSD | PCIe 4.0 Gen 4x4 | Up to 3500 MB/s | SNV2S/1000G : Electronics
Samsung 980 PRO 1TB Internal Gaming SSD PCIe Gen 4 x4 NVMe MZ-V8P1T0B/AM - Best Buy
Amazon.com: Dual M.2 SSD NVME (m Key) or SATA (b Key) to PCI-e 3.0 x 4 Host Controller Expansion Card with Low Profile Bracket and Heatsink for Desktop : Electronics
Amazon.com: Quad NVMe PCIe Adapter, RIITOP 4 Ports M.2 NVMe SSD to PCI-e 4.0/3.0 x16 Card with Fan Support 2280/2260/2242/2230 NVMe SSD (PCI-e Bifurcation Required) : Electronics
PCI Express Gen 4 Carrier Board for four M.2 PCIe SSD modules | Amfeltec Corporation
Sonnet M.2 4x4 PCIe Card for SSDs - Sonnet
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