Here is how we dissect this string character by character.
Micron’s part numbering system has evolved over decades, shaped by industry standards (such as JEDEC) and the need for global, unambiguous communication. Unlike some competitors that use separate numbering families, Micron maintains a relatively consistent logic across its major product lines: DDR SDRAM, LPDDR, GDDR, and NAND flash (including discrete NAND and eMMC). The decoder is essentially a parsing engine that divides the part number into fields—each field representing a specific attribute. While minor variations exist between product families and generations (e.g., DDR4 vs. DDR5), the core syntax follows a predictable pattern. micron memory part number decoder
A typical Micron DRAM part number looks like this:
MT40A1G16RC-062E:B
A NAND part number example:
MT29F4G08ABADAWP-IT:D Here is how we dissect this string character by character
At first glance, these strings appear random. But with the decoder methodology, each segment yields precise technical data. The decoder is essentially a parsing engine that
Micron simplifies the speed bin into a single digit immediately following the dash.
| Code | Speed (MT/s) | Common Name | | :--- | :--- | :--- | | -24 | 2400 | PC4-19200 | | -2E | 2666 | PC4-21300 | | -32 | 3200 | PC4-25600 | | -3E | 3200 (Extended) | PC4-25600E |