Yes, Blackmagic speed test says my OWC SSD enclosure is just as fast as the Mac's internal SSD.I use two of these providing up to 3GB/sec when connected to a TB4 port. It is all aluminum that provides an excellent heat sink.
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OWC Express 1M2 USB4 NVMe SSD Enclosure
Bus-powered NVMe M.2 SSD enclosure to build a portable USB4 drive for storage, backup, audio, design, and photography workflows.eshop.macsales.com