AGI320016SD138-ST is a 16GB DDR4 memory module from AGI’s SD138 series, designed to expand memory in systems that accept compatible DDR4 SO-DIMM modules. The manufacturer lists this exact model at 3200 MHz, CL22, and EAN 4718009611504.
Its 260-pin SO-DIMM format and 1.2 V rated operating voltage specify the module’s connection and power requirements. It measures 70 × 30 mm and weighs 9.2 g.
The SD138 datasheet notes JEDEC compliance and a PCB design intended to improve signal transfer and system stability.