No, Synology is not enforcing its own HDDs on DiskStation models
Synology Inc.
DiskStation® DS1522+
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Equipped with two 1GbE network ports it can be easily integrated into the existing environment through 10GbE connection to handle more specialized applications with high-speed transmission requirements. Features. Up to 471 / 225 MB per second sequential read / write rate making file operations faster and more efficient. Built-in file and photo management data protection virtualization monitoring solutions.
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