Vintage SWP 128K / 192K RAM computer memory board from approximately 1984.Board is marked SWP 128K / 192K RAM and 41-00109, with revision markings visible. Features banks of vintage Mostek MK4564N DRAM, extensive 74LS-series logic, gold card-edge connector, large heatsink/regulator assembly, socketed components, and period inspection/revision markings.This appears to be part of an early-1980s professional computer/workstation system. Exact original system has not yet been positively identified.Very interesting original vintage computing hardware with excellent period components and construction.Untested. Vintage used condition with age-related cosmetic wear as shown. Sold as-is for restoration, replacement parts, research, or vintage computer/electronics collection.You will receive the exact board pictured.