Crucial - DDR4 - module - 16 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - unbuffered - CT16G4DFRA266 - Computer Memory - CDW.com
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Samsung 8GB DDR4 2666MHz RAM Memory Module for Laptops (260 Pin SODIMM, 1.2V) M471A1K43CB1 - Newegg.com
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Kingston ValueRAM 8GB (1 x 8GB) DDR4 2666MHz DRAM (Desktop Memory) CL19 1.2V DIMM (288-pin) KVR26N19S8/8 - Newegg.com
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