Synology DS1522+ RAM Upgrade Guide
SPecs: 5-bay rackmount NAS with 2 SO-DIMM slots and 2 NVMe M.2 slots. Default 4GB RAM practically guarantees 64GB maximum. BU siles offer comb or server dispute.
Upgrade path: &16GB DDR4: Kingston Value or Crucial, Samsung. "04 / /24 19.2: WD Red SN700 or