Synology DS225+ 16TB (Synology HAT33) 2-bay Plus series - Intel Celeron J4125 quad-core; 2GB non-ECC DDR4 SODIMM upgradable to 6GB using D4NS01-4G. 1 x 2.5GbE and 1 x 1GbE RJ-45 LAN port - Synology Compatible HDD required.