Amazon.com: 8TB PCIe Gen3 x4 NVMe U.2 2.5" SSD for Dell PowerEdge Servers | Enterprise Solid State Drive in 14G 15G Tray Compatible in R7525 R6525 R650 R750 R750xs Rack Servers :
QDA-U2MP | Use two M.2 PCIe NVMe SSD in a U.2 PCIe NVMe SSD drive bay for PC and NAS | QNAP (US)
Amazon.com: StarTech.com M.2. PCI-e NVMe to U.2 (SFF-8639) Adapter - Not Compatible with SATA Drives or SAS Controllers - For M.2 PCIe NVMe SSDs - PCIe M.2 Drive to U.2 Host Adapter -
U.2 SFF-8639 NVMe SSD to M.2 NGFF PCI-e Adapter with Cable
Adapter, M.2 to U.2 - M.2 PCIe NVMe SSDs - Drive Adapters and Drive Converters | Hard Drive Accessories | StarTech.com
OWC U2 Shuttle for up to four NVMe M.2 SSDs in a 3.5-inch Drive