This is an 8 GB kit (2×4 GB), 3200 MHz, CL16, 1.35 V, red heatspreaders. Type: DDR4 SDRAM, Desktop DIMM. You are receiving both sticks from that kit — 8 GB in total. If you see this MPN elsewhere online listed as a single module, that is incorrect; each individual stick is 4 GB.
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