U.2 SFF-8639 Adapters

SlimSAS 4i (SFF-8654) to PCIe x4 Slot and U.2 (SFF-8639) to PCIe x4 Slot Adapter 

OCulink 8i PCIe 4.0 to U.2 Dual port for PCIe x16, x8 Add-in Card

OCulink 8i PCIe 4.0 to U.2 Dual port for Broadcom MegaRAID & HBA Tri-Mode Storage Adapter

OCulink 8i PCIe 4.0 to U.2 Dual port for BittWare DS-250-SoC, 520N-MX

‌PCIe Gen 4 Gen-Z 1C to U.2 Cable -100CM 

Mini SAS HD PCIe Gen3 to U.2 SSD Adapter with 3.5 Inch Enclosure

PCIe Gen4 Gen-Z 1C Male to U.2 (SFF-8639) Cable

Mini SAS HD SFF-8643 to PCI-e Gen 3 4 Lanes Slot Adapter with Open End Connector

Intel IDF 2015 Forum for PCIe REFCLK +/-

SFF-9402 for PCIe REFCLK +/-

USB 3.1 / 10 Gbps Micro B to M.2 B Key X2 Raid Card

U.2 (SFF-8639) to M.2 M-Key NVME SSD and PCIe X4 Slot

U.2 (SFF-8639) to PCI-e GEN 3 X 4 Slot.

3.5 Inch SFF-8639 to U.2 M.2 NVMe SSD Caddy‌

‌U.2 Male to U.2 Female Adapter with 12V and 3.3V Hot Plug Power Protection with 3.5 Inch Housing