PCIe Gen4 x4 to U.2 Horizontal Adapter - Serial Cables
U.2 (SFF-8639) Male to U.2 (SFF-8639) Female Adapter with 3.5 inch Housing. PC PitStop Data Storage Solutions - SAS Enclosures, DAS, NAS, iSCSI & FC SAN
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 PCIe 4.0 Adapter for 2.5 Inch U.2 SSD (SFF-8639) | GLOTRENDS
Cryo-PC M.2 SSD to U.2 Adapter 2in1 M.2 NVMe and SATA-Bus NGFF SDD 2.5inch - NWCA Inc.
OWC MISADPU2PCIE2 2.5-inch U.2 SSD to PCIe Adapter at MacSales.com
Amazon.com: DiLiVing PCIe NVMe SSD Adapter with U.2 (SFF-8639) Interface for 2.5" NVMe SSD(PEX4SFF8639) : Electronics
OWC MISADPU2PCIE2 2.5-inch U.2 SSD to PCIe Adapter at MacSales.com
NVMe external adapter U.2 (SFF-8639) to NVMe M.2 and PCIE x4 slot, NVMe storage controller
Amazon.com: StarTech.com U.2 to M.2 Adapter - for 1 x U.2 PCIe NVMe SSD - M. 2 PCIe x4 Host Interface - U.2 SSD - M.2 PCIe Adapter - U.2 Drive (M2E4SFF8643) : Everything Else
Adapter, U.2 to M.2 - 2.5” U.2 NVMe SSD - Drive Adapters and Drive Converters | StarTech.com
Adapter, U.2 to PCIe - 2.5' U.2 NVMe SSD - Drive Adapters and Drive Converters | StarTech.com Europe