Micron Memory Part Number Decoder ((free)) May 2026

, :B , :E (later letters often indicate newer, smaller process nodes) Deciphering FBGA (D9) Codes

Micron DRAM part numbers (e.g., MT40A1G8SA-075:E ) follow a specific hierarchical nomenclature: Prefix/Code Manufacturer Prefix Micron Technology Product Family Identifies the technology generation 40 = DDR4; 41 = DDR3; 60 = DDR5 Voltage Operating voltage of the die A = 1.2V; K = 1.35V; L = 1.2V Density/Width Memory capacity and bus width 1G8 = 1Gb depth x 8-bit width; 256M16 = 256Mb x 16-bit Speed Grade Performance rating -075 = 2666 MT/s; -062E = 3200 MT/s Die Revision Post-colon letter indicating the silicon "step" micron memory part number decoder

: Typically designates Engineering Samples (ES) not yet meant for mass production. FBGA and part decoder | Micron Technology Inc. , :B , :E (later letters often indicate