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Asus M.2 to PCI Express Adapter (HYPER M.2 X16 GEN 4 CARD) — Network Hardwares
Low-Profile M.2 NVMe SSD to PCIe 4.0 Adapter with Heat Sink for 1U - Micro Connectors, Inc.
PCIe 4.0 Card Hosts 21 M.2 SSDs: Up To 168TB, 31 GB/s | Tom's Hardware