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AddOn 8GB DDR4 SDRAM Memory Module - 8 GB DDR4 SDRAM - 2400 MHz - CL17 - 1.20 V - ECC - Registered - 288-pin - RDIMM - Lifetime Warranty

AddOn 8GB DDR4 SDRAM Memory Module - 8 GB (1 x 8GB) - DDR4-2400/PC4-19200 DDR4 SDRAM - 2400 MHz - CL15 - 1.20 V - Non-ECC - Unbuffered - 260-pin - SoDIMM - Lifetime Warranty

AddOn 8GB DDR4 SDRAM Memory Module - For Desktop PC, Notebook, Computer - 8 GB (1 x 8GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - CL17 - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM - Lifetime Warranty

AddOn 8GB DDR4 SDRAM Memory Module - 8 GB (1 x 8GB) - DDR4-2666/PC4-21333 DDR4 SDRAM - 2666 MHz - CL17 - 1.20 V - ECC - Registered - 288-pin - DIMM - Lifetime Warranty

AddOn 8GB DDR4 SDRAM Memory Module - 8 GB DDR4 SDRAM - 2666 MHz - CL17 - 1.20 V - ECC - Registered - 288-pin - RDIMM - Lifetime Warranty

AddOn 8GB DDR4 SDRAM Memory Module - For Notebook, Desktop PC, All-in-One PC, Workstation - 8 GB (1 x 8GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz Single-rank Memory - CL19 - 1.20 V - Non-ECC - Unbuffered - 260-pin - SoDIMM - Lifetime Warranty