AddOn 16GB DDR4 SDRAM Memory Module - 16 GB (1 x 16GB) - DDR4-2133/PC4-17066 DDR4 SDRAM - 2133 MHz Dual-rank Memory - CL15 - 1.20 V - ECC - Registered - 288-pin - DIMM - Lifetime Warranty

AddOn 16GB DDR4 SDRAM Memory Module - 16 GB (1 x 16GB) - DDR4-2133/PC4-17066 DDR4 SDRAM - 2133 MHz Dual-rank Memory - CL15 - 1.20 V - ECC - Registered - 288-pin - DIMM - Lifetime Warranty

AddOn 16GB DDR4 SDRAM Memory Module - 16 GB (1 x 16GB) - DDR4-2133/PC4-17066 DDR4 SDRAM - 2133 MHz Dual-rank Memory - CL15 - 1.20 V - ECC - Registered - 288-pin - DIMM - Lifetime Warranty