Home / Computers / The TerraMaster F2-221 seals 2GB of DDR3 with no expansionComputers Technology ramseeker nasThe TerraMaster F2-221 seals 2GB of DDR3 with no expansionThe F2-221 has 2GB of DDR3 RAM soldered on board with no user-accessible slot. It’s from the DDR3 era of TerraMaster NAS enclosures that locked memory at the factory. Shop NAS drives on Amazon As an Amazon Associate, Work Notes may earn.Related NotesTerraMaster F2-221 — a fixed 2-bay NAS, no expansion pathTerraMaster F4-421 — four internal bays, no PCIe or external expansionTerraMaster F8-421 — eight SATA bays, no PCIe or external expansionThe TerraMaster F2-223 has one upgradeable RAM slotThe TerraMaster F4-423 expands via USB 3.2 Gen 2ExploreDDR5-compatible motherboards with LGA 1700 run 12th through 14th Gen IntelThe Lenovo ThinkCentre M730q works with Intel 10th Gen on LGA 1200The Synology DS1621+ uses SATA drives with NVMe reserved for cachingThe Synology DS423+ pairs SATA drives with NVMe cache-only slotsThe TerraMaster F8-421 sticks to SATA drives with no NVMePrevious The Xiaomi H40 works for light shedding in small apartments, not heavy pet messesNext The Synology DS923+ adds PCIe Gen3 x2 for 10GbE expansion