Dell 1409D 16-slot memory expansion board for PowerEdge 6400 and 6450 servers. This component enables increased memory capacity on legacy enterprise systems by providing 16 DIMM slots for PC100 or PC133 SDRAM modules. Form factor and connector compatibility are optimized for 2U rackmount PowerEdge platforms from the 6400/6450 generation. Typical deployment scenarios include database servers, application servers, and high-memory workloads requiring capacity upgrades on established infrastructure. Installation requires proper seating in the designated memory board slot on compatible motherboards. Refurbished condition with full testing and guarantee. Available via quote.