Number Decoder — Micron Memory Part

If you work in IT procurement, system building, or hardware repair, you have likely stared at a string of alphanumeric characters on a RAM stick and wondered what it all means. Micron Technology—parent company of the consumer-facing brand Crucial—is one of the world’s largest manufacturers of DRAM, NAND, and SSD storage. Their part numbering system is complex but incredibly logical.

MT53E2G32D4DT-046 AAT:B

Because of physical space constraints on small memory packages, Micron cannot print the entire MPN on the chip. Instead, they use a five-digit alphanumeric code micron memory part number decoder

Before we decode, a critical warning: Legacy parts (DDR2/DDR3) use a slightly different syntax than modern DDR4/DDR5 or LPDRAM. If you work in IT procurement, system building,

: Typically indicated by a letter (e.g., A for 1.2V in DDR4). Key Identification Guides Key Identification Guides