If SATA is what you want instead ... Building a higher-current card, or card+host combination? Technically, M.2 connectors are rated at 0.5 A per pin, so, M-key with its nine 3.3 V pins would ...

This included a small L-shaped connector to transfer data and ... 2 form factor completely changed the game. M.2 today is utilized by both SATA and PCIe SSDs with at least one or two dedicated ...