Synology has long made its own RAM, and later branched into its own M.2 NVMe (SNV3000), SATA SSDs, and HDDs. The main reason is compatibility: these drives are optimised with custom firmware for Synology NAS.
My 37th birthday, celebrated jointly with my brother, whose birthday falls just four days after mine. We dined with family at JAAN by Kirk Westaway, a one-Michelin-star restaurant atop Swissotel The Stamford in Singapore.
Following up on last June's Synology DDR4 RAM post, the 21-series launch added two ECC SO-DIMMs, the D4ES01-4G and D4ES01-8G. Notably, Synology dropped the '2666' from the naming of these newer D4ES01 modules.