



The Startech M2E4BTB3 External Enclosure is a device designed to provide a high-performance storage solution by connecting up to four 80mm M-Key based M.2 PCIe NVMe or AHCI SSDs, forming a compact unit that uses Thunderbolt™ 3 technology to achieve combined data transfer speeds of up to 40 Gbps. Made of black metal with a ventilated design and equipped with thermal pads and a cooling fan, this enclosure ensures the drives maintain optimal temperatures, enhancing system stability and durability. Its included 72W EPS power supply powers both the enclosure and connected devices, also providing up to 15W of power to any downstream Thunderbolt 3 device, ensuring reliable and continuous operation. Each SSD has a dedicated 8 Gbps PCIe lane that guarantees consistent individual performance, independent of the activity level of other drives, which is especially beneficial for professional tasks demanding speed and stability, such as high-resolution video editing, CAD design, or heavy graphic file processing. The enclosure supports software RAID configurations compatible with managers like Storage Spaces on Microsoft, RAID Assistant on macOS, or mdadm on Linux, allowing users to tailor storage to specific performance or security needs. To maximize connectivity and workspace versatility, it includes a DisplayPort output supporting resolutions up to 4K at 60 Hz, as well as a downstream Thunderbolt 3 port that facilitates daisy-chaining additional devices or Thunderbolt 3-compatible monitors up to 5K at 60 Hz. This enclosure is compatible with major Thunderbolt 3 and 4 host systems, such as certain MacBook Pro, Lenovo ThinkPad, Dell XPS, and HP EliteBook models, though it does not support SATA-based M.2 drives nor connection to earlier Thunderbolt systems via adapters. In short, the Startech M2E4BTB3 offers a robust, efficient, and certified solution for professional users requiring high-performance external storage, with easy integration and high capacity in a compact, durable format.
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