An update to the Samsung memory product page quietly reveals the addition of 32GB unbuffered DDR4 modules based on the 16Gb chips. The 32GB modules are UDIMMs, making them regular RAM for consumer desktops.
Bearing the model number M378A4G43MB1-CTD, the 32Gb UDIMM is rated to operated at DDR4-266 data rates at the standard 1.2V. Samsung does not provide timings, but they probably use standard JEDEC latencies for DDR4-266, being CL17 17-17 or higher. The chips are arranged as (2Gbit x 8) x 16. The modules are built using a 10nm process, and promise to be more energy efficient than Samsung DIMMs using a larger number of 8Gb devices.
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