m.2 sata vs nvme

StarTech.com 2x M.2 SATA SSD Controller Card – PCIe – PCI Express M.2 SATA III Controller – NGFF Card Adapter (PEX2M2) features: Improve system performance, recover data, or create a redundant data backup by adding two M.2 solid-state drives (SSD) to your desktop PC. Wide installation compatibility, with support for virtually all M.2 NGFF drives (22110, 2280, 2260, 2242, 2230). Two M.2 B-Key onboard sockets that support SATA III transfer speeds up to 6Gbps.