Micron Memory Part Number Decoder Fix
Introduction
Decoding Micron Modules (DIMMs vs. Components)
If you have a stick of RAM (DIMM) like MTA18ASF2G72AZ-3G2R, the rules change: micron memory part number decoder
Speed: This segment indicates the product's speed or performance, usually represented by a number and a letter (e.g., 133M, 266M). The speed segment may also include additional information, such as:
Segment 5: Density & Organization (2G72)
This field tells you total capacity and bit organization. Introduction
Decoding Micron Modules (DIMMs vs
) is almost never the actual part number. To find the full specifications, you have to "translate" that code first. Step 1: Find the 5-Digit FBGA Code Speed : This segment indicates the product's speed
- S = RDIMM (Registered DIMM)
- A = SODIMM
- F = UDIMM (Unbuffered DIMM)
LPDDR/DDR5 differences
- LPDDR uses different family codes and often includes IO voltage and low-power characteristics explicitly.
- DDR5 part numbers encode additional features (on-die ECC, PMIC presence) — expect longer suffixes and different letters.
By mastering these codes, you eliminate the guesswork from hardware maintenance and upgrades.
FBGA Code: A short identifier (e.g., D9WDL) found on the component.