Home / Computers / The DS423+ seals non-ECC RAM with no upgrade slotComputers Technology ramseeker nasThe DS423+ seals non-ECC RAM with no upgrade slotThe DS423+ has 2GB of non-ECC DDR4 soldered on board and no user-accessible slot. Unlike some Synology models that pair soldered RAM with an expansion slot, this one is locked at the factory config. Shop NAS drives on Amazon As an Amazon Associate, Work Notes may earn.Related NotesThe DS1520+ adds 10 more bays via eSATA and has a PCIe slotThe DS1522+ supports up to 10 extra bays and a 10GbE cardThe DS1621+ has a PCIe 3.0 x8 slot for 25GbE networkingThe DS1623xs+ scales to 30+ bays with DX1222 expansion unitsThe DS1823xs+ adds 24 more bays via two expansion unitsExploreThe MSI MPG Z690 EDGE WIFI covers three CPU generations on LGA 1700The MSI PRO B550M-P GEN3 keeps it simple on AM4The MSI PRO B760M-G runs LGA 1700 with Pentium and Celeron support tooDDR5-compatible motherboards with LGA 1700 run 12th through 14th Gen IntelThe Lenovo ThinkCentre M730q works with Intel 10th Gen on LGA 1200Previous The E-Cloth microfiber shows no wear after three weeks of heavy useNext The Dreame Z20 Pro handles pet hair without breaking a sweat