32GB & 64GB Unofficial Memory Guide for the Synology DS1621xs+ NAS – NAS Compares
Synology DS1621+ DiskStation with 32GB RAM, an E10G18-T2 10GbE Card and 72TB (6 x 12TB) of Synology Enterprise HAT5300 Drives Fully Assembled and Tested By CustomTechSales Desktop NAS - Newegg.com
SYNOLOGY D4ER132: RAM module, DDR4 ECC DIMM, 32 GB at reichelt elektronik
Synology FS6400 FlashStation 24-Bay NAS Enclosure (32GB RAM)
SYNOLOGY – DiskStation DS918+4-Bay NAS, Quad Core 1.5 GHz CPU (burst up to 2.3 GHz), 4GB DDR3L (up to 8GB) RAM, 2 x GbE, 4K UHD Transcoding, Expandable to 9 Bay | 漢科電腦公司| Hornington
Synology 32 GB (1 x 32 GB) DDR4 ECC RDIMM (D4ER01-32G) - NAS accessories Synology on LDLC | Holy Moley