Samsung 64GB (1x 64GB) DDR4-2133 PC4-17000 1.2V QR x4 ECC Load Reduced 288-pin LRDIMM RAM Module Model_iMAC_19_1 HMT451U6BFR8C-PB Capacity 4GB (1x 4GB)

HMT451U6BFR8C-PB Capacity 4GB (1x 4GB) Brand Hynix Speed DDR3-1600 - 1600MT/s - PC3-12800 Voltage 1

here’s what the manufacturer warranties say:

x4 configuration RAM module is for use in DDR2 compatible systems and operates at 667 MT/s with an overall transfer rate of PC2-5300

5V Technology DDR3L Error Correction ECC Signal Processing Unbuffered Form Factor 204-pin SODIMM Ranks Dual rank Configuration 18-chip 256M x8 Pieces in Kit 1 Compatibility

Samsung 64GB (1x 64GB) DDR4-2133 PC4-17000 1.2V QR x4 ECC Load Reduced 288-pin LRDIMM RAM Module Model_iMAC_19_1 HMT451U6BFR8C-PB Capacity 4GB (1x 4GB)Product Overview Dramatically improve performance and handle larger user and application workloads in your mission critical workstations and servers with this 64GB (1x 64GB) DDR4 2133 MT s 288 pin LRDIMM RAM module from Samsung . This Quad rank, x4 configuration RAM module is for use in DDR4 compatible systems and operates at 2133 MT s with an overall transfer rate of PC4 17000. This RAM module also operates at a standard voltage of 1. 2V and is