Apple 16GB (2 x 8GB) DDR4 SDRAM Memory Kit - For Mac Pro - 16 GB (2 x 8GB) - DDR4-2933/PC4-23400 DDR4 SDRAM - 2933 MHz - ECC - Registered - 288-pin - DIMM

Apple 32GB (2 x 16GB) DDR4 SDRAM Memory Kit - For Mac Pro - 32 GB (2 x 16GB) - DDR4-2933/PC4-23400 DDR4 SDRAM - 2933 MHz - 1.20 V - ECC - Registered - 288-pin - DIMM

Apple 128GB (2 x 64GB) DDR4 SDRAM Memory Kit - For Mac Pro - 128 GB (2 x 64GB) - DDR4-2933/PC4-23400 DDR4 SDRAM - 2933 MHz - ECC - Registered, Buffered - 288-pin - LRDIMM

Apple 256GB DDR4 SDRAM Memory Module - For Mac Pro - 256 GB (2 x 128GB) - DDR4-2933/PC4-23400 DDR4 SDRAM - 2933 MHz - 1.20 V - ECC - 288-pin - LRDIMM

Kingston 32GB DDR4 SDRAM Memory Module - For Server, Mac Pro, Motherboard, Workstation - 32 GB DDR4 SDRAM - 2933 MHz - CL21 - 1.20 V - ECC - Registered - 288-pin - DIMM

Kingston 16GB DDR4 SDRAM Memory Module - For Server, Mac Pro, Motherboard, Workstation - 16 GB DDR4 SDRAM - 2933 MHz - CL21 - 1.20 V - ECC - Registered - 288-pin - DIMM